Why does my car make a rattling noise when I start it?

An engine rattling noise, or a clicking sound in an engine, can spring up from a number of sources. Whether it’s engine knocking when accelerating or some kind of spark knock or just a general engine noise, some are more serious than others, but there’s one thing that’s true of them all: it’s never good to leave it alone.

Why does my Chevy Tahoe rattle when I Turn on the a / C?

You need a new compressor. If you keep driving it like that, it can destroy the belt and/or tensioner and the flailing belt can damage the transmission cooler lines which run right underneath it. Look up this GM Tech service bulliten for more info.

When do you get paid for an engine rattling noise?

Get paid quick in as little as 24-48 hours! An engine rattling noise, or a clicking sound in an engine, can spring up from a number of sources.

What should I do if my exhaust is making a rattling noise?

Solution: Have your exhaust system checked by your mechanic or a muffler shop. The fix could be as easy as tightening a loose clamp or replacing a damaged rubber hanger. It’s also possible you might need to replace a section of rusted-out exhaust pipe or even the muffler. Either way, it’s a quick and easy fix.

Get paid quick in as little as 24-48 hours! An engine rattling noise, or a clicking sound in an engine, can spring up from a number of sources.

Why does my timing belt make a rattle noise?

Worn Timing Belt A timing belt or chain tensioner is used to rotate the camshaft (s) that control intake and exhaust valve operation. If this belt, chain or tensioner becomes loose or is failing it can cause a rattle noise that follows the engine RPM’s.

What does a loud engine knock sound mean?

The sound may be a true knock–a hollow sound–or a rattling noise. Engines with cooling-system issues or uneven combustion may develop a pinging sound. No matter what it sounds like, engine knock indicates a real problem. You should never ignore a loud engine.

What should I do if I hear a ticking noise in my engine?

If your engine develops a ticking or knocking noise in a short period, the first thing you should do is shut off the engine and check the oil level. You’ll need to find the engine oil dipstick and see if you need to add oil or if the oil level is up to the full line.

What does it mean when your engine rattles when idle?

If it rattles when idle, it can mean something completely different than engine rattle while accelerating. Depending on the cause, repair costs can shoot through the roof. Read more below to find out what the problem could be. FREE towing & pick-ups! No obligation. Hassle-free! Engine Rattling when Idle? Accelerating? Here’s What That Means

What makes a sharp rattle noise at startup?

GM 2.0, 2.2 and 2.4 liter engines can make a sharp engine rattle noise at startup and set any of the following trouble codes on the vehicles listed below What are P0010, P0011, P0014, P0016, or P0017 trouble codes? P0013: Exhaust Camshaft Position (CMP) Actuator Solenoid Control Circuit What are camshaft actuators?

What causes a loud noise when the engine starts?

Some components like piston rings will wear over time and must expand with engine heat before they will work properly. Modified engines with forged pistons will do the same, but this is normal. This problem is more common on some engines than others, but is a result of wear on the valve lash adjusters, valves, valve seats, and/or valve springs.

Why is my car making a rattling noise?

If the rattling noise occurs when the car is stationary the origin is in the engine/transmission and/or exhaust system. If the identical rattle occurs when the car is moving, too, motor mounts or loose exhaust system components are a possibility.

What causes a rattling sound from the engine?

11 Sources of Engine Rattling and How to Fix Them Broken Belt Tensioner or Chain Tensioner. Drive belts, timing belts, and timing chains need to have a certain degree of tension to work properly. Cracked Catalytic Converter. The catalytic converter is an exhaust emissions control device. Collapsed Valve Lifter. Cracked Flex Plate. Low Oil Pressure. Rusted-Out Heat Shield. Engine Ping. Piston Slap.

Why does a car make a rattling noise while idling?

If your engine has low oil pressure, engine rattling at idle might be present when the engine gets hot . It’s because the oil is thinner and doesn’t coat parts as well. Low oil pressure usually means a complete engine job. Either a replacement engine or an engine rebuild – either way, it’s going to cost you big money.

What could make a humming noise from engine?

In case you noticed your vehicle engine is regularly making a humming noise when accelerating, it could be caused by bad car oil or shortage of oil in the engine. Although it’s better you drive your car to a professional who will look into the oil, that is if it’s the case of bad motor oil.

Choose your car for a more accurate estimate. If the rattling noise occurs when the car is stationary the origin is in the engine/transmission and/or exhaust system. If the identical rattle occurs when the car is moving, too, motor mounts or loose exhaust system components are a possibility.

What causes the whirring sound on a bad starter?

If the engine is cranking and your vehicle won’t start, then you are probably dealing with an ignition or fuel system problem. But if you don’t hear a cranking sound and the engine won’t start while hearing the noises described above, then you are most likely dealing with a starter problem. What Causes The Whirring Sound On A Bad Starter?

Why do I hear grinding noise when I start my car?

If you hear a harsh or grinding noise as you try to crank up the engine, you may have a loose starter motor (mounting bolts), or a flywheel or pinion gear with broken or worn-out teeth. If the gears on the flywheel-flexplate and pinion aren’t able to mesh properly, all you hear is the sound of metal teeth clashing loudly.

Why does a bad starter sound like a dead battery?

Because the symptoms of a bad or faulty starter are pretty similar to the symptoms of a bad/dead battery or an alternator problem. Remember that your battery will need to be fully charged (or sufficiently charged) in order to operate the starter motor. This is the reason why a dead battery can sometimes be mistaken for a starter problem. More…

When does a car make a rattling noise?

You may hear them when you start your car, when you drive it or when you apply the brakes. They may occur only when the engine is cold, or when it’s fully warmed up. Rattles may happen only upon acceleration, deceleration, going over bumps, rounding a corner, or during some other specific set of circumstances.

Why does my car make a loud noise when I Turn on the engine?

Once the engine temperature gets high, the thermostat triggers the fan clutch which engages the cooling fans. If the fan clutch is faulty and gets stuck in an engaged position, it will turn on the engine fans even when they are not needed which will create a loud noise.

Why is my car making a ticking noise?

Over time, the engine can consume, burn or leak oil. If the oil level gets too low, you can have a situation where the oil pump sucks air into it and the air gets pumped through the engine along with whatever oil is remaining. This can cause a rattling or ticking noise from within the engine.

Why does my 2002 CL500 make a rattling noise?

Hello there, with the 2002 CL500 and many other older vehicles it is not uncommon to develop vibration issues. The most common causes would be a damaged rim, out-of-balance tire, failed strut or shock, or another failed suspension component. With… It’s hard to give a specific answer with the amount of information supplied.

What kind of car Rattles at highway speeds?

Rattle in right front area of car when driving at highway speed? I have a 2009 Pontiac Vibe GT with about 255,000 miles. Over the last several months I’ve noticed a rattling noise coming from the right front quadrant of the car when driving at highway speeds (60 MPH and up).

Where does the rattle come from under the car?

There are some possible sources and root causes as to where the rattling noises underneath of your vehicle are coming from. Your exhaust system is a key part of the running of your vehicle and the fuel system. Your exhaust system spans the length of the engine in your car to the rear of your vehicle.

What kind of noises do car engines make?

Here are the 5 most common engine noises made by the engines and their potential causes: 1. Engine knocking sounds This sound is usually heard as you drive your car, changing gears and accelerating. The sound seems like something inside the engine is knocking hard on it.

Why does my differential make noise while decelerating?

Sometimes, the noise is not differential-related, but is caused by other driveline or axle components. This guide will help you match up the noise you’re hearing with the differential or axle component making it, or at least get you in the ballpark. Noise: Howl while decelerating (gears previously quiet) Cause: Loose pinion bearingpreload

Why does my front end rattle when I turn?

If you hear noise coming from the front end suspension on you car when going over bumps most likely you have bad sway bar links. This is one of the most common reasons for front end noise. If you hear front end noise when turning it could be bad cv axle joint.

Why does my car make a rattling noise when I accelerate?

It will be a faint sound when the car is idling in ‘park’ mode, but the volume and frequency will increase in proportion to acceleration. It could indicate the last stage of the converter’s life. If this happens, you should take the vehicle to a repair shop as soon as possible.

What causes a howling noise in the rear of a car?

Cause:Worn rear pinion bearing or worn gear set Noise:Howl without whir or rumble while accelerating at any speed (gears previously quiet) Cause:Worn gear set due to lack of lubrication or overloading Noise:Howling while accelerating over a small speed range (gears previously quiet) Cause:Worn gear set due to lack of lubrication or overloading

What kind of noise does a Honda CRV make?

I have the 2013 CR-V EX AWD bought August 24th 2013 after 500 miles, noticed the same noise described here. Noted the whiling between 40 – 65 MPH regardless if pressing on excellerator or fully releasing it. Now at 1,100 miles.

Why does my car make a tinny noise when I idle?

What you’ll hear is a clattering, tinny metal noise when you idle. The catalytic converter is an emissions control component in your exhaust system. Its honeycomb-style core superheats unburned gases in the exhaust before it leaves the tailpipe. But that core isn’t going to last forever.

Why does my Honda Civic make a rattling sound?

The exhaust system is one of the most common culprits that can make it sound like your Honda Civic’s engine is rattling. While the exhaust is outside of the engine itself, it can often cause sounds that are confused for an internal engine rattle.

What to do when Honda CRV Rattles at start up?

Once ﬁtted, with the actuator facing you, carefully rotate it counterclockwise until it engages the camshaft locator pin. When installed and rotated this way the VTC actuator will not lock. Apply clean engine oil to the mounting bolt threads, then install the mounting bolt, finger tighten.

Why does my Hyundai i10 make a ticking sound?

If your exhaust system is leaking, it will often make an aggressive ticking sound. Some folks have described it as a rattle. If it is leaking, the most common place that it leaks from is going to be where it bolts to the block at the exhaust manifolds. You can check and see if any of the exhaust manifold bolts have broken off.

Why do I hear a rattling noise in my engine?

So, you start your engine like normal but, you hear a engine rattling noise, you’ve never heard before. Consequently, an engine rattling noise in your engine, can spring up, from a number of different sources. So, The first part of diagnosing an engine rattling noise, is always to determine, where it is coming from.

Why does my belt rattle when in idle?

Another is the serpentine belt tensioner, pulleys and/or condition of the belt. If the belt is stretched to its limit or if one of those pulleys is binding the tensioner will rattle against its stop. So have a shop inspect all of your shields and your belt & belt system.

How much does it cost to fix a rattling engine?

Between parts and labor, you can expect a bill of around $1,200 to $2,000 depending on your make and model. If you don’t deal with it, that engine rattling sound will never go away. You may need to sell a car with a blown engine at this point. The most common engine rattling at idle isn’t an engine problem at all.

What are the reasons for rattling noise when accelerating?

the first thing to suspect is low engine oil.
some have two or three.
Broken Mounting Bracket The third thing that could be making an rattling noise is an broken mounting bracket.

Why would a car make a loud noise?

Sometimes the drivers hear grinding noise while turning the car. A worn CV axle, worn brake components, a power steering fluid leak are the major causes of producing a grinding noise. When the car makes any type of abnormal sound,it is a matter of concern.

What causes a car to sound loud when driving?

One of the most common causes of a loud vehicle is an exhaust leak. The exhaust system carries very hot hazardous fumes out of the engine, away from the passenger cabin and releases them as less harmful emissions at the rear of the vehicle.

What causes a rattle when accelerating?

Rattling noise during acceleration can be caused by several different but common failures, including loose heat shields, bad belt pulleys and ignition pinging.

Why is my car making a flapping noise?

The heat shields are used between the exhaust and the underside of the vehicle to keep the vehicle cool and the heat from the exhaust directed out of the tailpipe. When the heat shields become loose, they can make a flapping noise when the vehicle is moving.

Why does my car make noise when I turn a corner?

What it means: If you have a front-wheel-drive or all-wheel drive vehicle and hear this sound when you turn or corner (but the noise stops when you steer straight) one or both of the constant velocity (CV) joints on your front axle could need replacing. If playback doesn’t begin shortly, try restarting your device.

Why does my car make squealing noises when I start the engine?

A lot of engine noises do come from low engine oil or other fluids. Always start by checking the engine oil level with the dipstick if you hear any noise. The other most common thing is a bad serpentine belt which can cause squealing noises. Remove the serpentine belt to see if the noises disappear.

What does it mean when your car makes a clattering noise?

Clattering or Knocking. If your vehicle’s engine makes a clattering or knocking noise that increases with RPM it could be in serious trouble. The former, which is usually a “tap-tap-tap” sound, can be indicative of a lifter that isn’t pumping up or a sign that the valve clearances need to be adjusted.

Why does my car make a rattling noise when I start the engine?

Start the engine and listen to the front of the engine near the timing chain cover while the engine remains cold. A bad timing chain will often emit a rattling sound for a few minutes before the engine warms up, and then will lower in intensity or dissipate altogether after it warms up.

Why is my car making a shrieking noise?

If your car’s engine is making a shrieking sound it could be an issue with the serpentine belt. Either the rubber has gotten old and brittle or the tensioner could be failing. If the latter is to blame the belt may not have the appropriate pressure applied to it, causing slippage and ultimately ill-mannered commotion.

Why does my car engine sound like it’s going to fall off?

If your car engine sounds like the bottom end is going to fall off, it’s probably engine rod knock. The noise you hear is like a ball peen hammer tapping on a steel plate repeatedly. What’s actually happening is measured in thousandths of an inch.

Why does my car make a rattle sound when idling?

The other causes are the AC compressor clutch, idler pulley, or belt tensioner. The heat shields are used between the exhaust and the underside of the vehicle to keep the vehicle cool and the heat from the exhaust directed out of the tailpipe. When the heat shields become loose,…

Why does my AC rattle when I turn it on?

The noise would start when the compressor engages due to the increased load on the engine. Compressor Clutch: The compressor clutch is a high-wear item, and if it’s worn out, it can create a rattle during operation. Some vehicles can have only the clutch replaced, but some require replacement of both the clutch and compressor.

If your car engine sounds like the bottom end is going to fall off, it’s probably engine rod knock. The noise you hear is like a ball peen hammer tapping on a steel plate repeatedly. What’s actually happening is measured in thousandths of an inch.

What should I do if I hear an engine noise?

Whatever noise you are hearing, it’s vital to have it diagnosed immediately. Otherwise, the problem could lead to irreversible engine damage. Luckily it is often enough with smaller repairs when you experience any engine noise. If the engine becomes damaged beyond repair, you are going to need a replacement.

What makes an engine make a bad noise?

Many different parts in and around the engine can produce these types of sounds. For example, a bad: Parts that move at high speed, like accessory pulleys, valve train components, crankshafts, and pistons, can make it hard to pinpoint the source of a new engine noise.

Why do I hear a knocking noise in my engine?

If you hear a light knocking or pounding sound, the noise can usually be traced back to your connecting rods. This sound is often most noticeable when the engine is at an even rpm–not accelerating or decelerating–and is often caused by a worn bearing or crankpin, misaligned connecting rod, or lack of oil.

Why does my rear suspension make a clicking noise?

Wheel bearings can also emit a clicking noise, but so can rear drum brakes and failed drum brake shoes. If you have drums and hear clicking, check those out before you assume a bad wheel bearing.

How to troubleshoot rear suspension noise test drive?

How to Troubleshoot Rear Suspension Noise Test Drive. The first step to diagnosis is a test drive, and for that you’ll need a smooth and empty road, a parking lot… Constant Noises — Wheel, Tire or Wheel Bearing. Constant noises don’t usually mean a problem with the suspension as… Noises Over …

Why does rear differential noise sound like a broken gear?

Having a chipped or missing high spot on a gear tooth sounds closely similar to a broken gear except that the rear differential noise only happens while accelerating or decelerating. This is because the problem is just present on one side of the offending tooth.

What does it mean when your Lexus suspension is clunking?

A clunky suspension is a sign something is loose or worn out in the Lexus, but it can be hard to trace the problem because there are so many possible sources. In addition to there being several sources, the noise may not be consistent. You may only notice it on days that are cold or rainy, or when hitting bumps at certain angles.

Why does my Toyota Camry make a clunking noise?

Hardlymoving writes about do-it-yourself automobile maintenance on various makes and models. A common wear item, on Camrys approaching or exceeding 100,000 miles, is the rubber bushing on the rear sway bar (also called stabilizer bar). When these bushings wear out, you hear a distinct rattling or clunking noise when driving over rough surfaces.

When does a car make a clunking noise?

When these bushings wear out, you hear a distinct rattling or clunking noise when driving over rough surfaces. You can’t duplicate the noise when the car is stationary, even if you bounce the car or push on the trunk or bumper.

What should I do about my Toyota Camry’s Rattle?

Although the struts may be worn, replacing the bushings will likely eliminate the annoying rattling noise, and should be considered first before performing an expensive strut replacement. Remove the bracket bolt (apply penetrating oil before removal). Clean sway/stabilizer bar bushing contact surface.

Why is my timing chain making a rattling noise?

A bad timing chain will often emit a rattling sound for a few minutes before the engine warms up, and then will lower in intensity or dissipate altogether after it warms up.

What causes timing chain engine noise Rattle-YouTube?

ENGINE NOISE RATTLE COLD START OR ALL THE TIME. WHAT CAUSES TIMING CHAIN ENGINE NOISE RATTLE – YouTube

Why do I hear a rattling noise under my car?

If you hear a rattling noise coming from underneath your car, this is usually a problem with the suspension or the exhaust system. In order to figure out the root cause of the issue, you need to do some digging. Thankfully for you, we have done the research for you.

Why does my Ford F150 make a rattling noise?

So it appears it is either caused by a bad IWE solenoid or one of the vacuum lines has a hole or loose connection. Sounds strange, at least from my speakers, let us know how that turns out. Gonna trouble shoot it some more in the am.

There are some possible sources and root causes as to where the rattling noises underneath of your vehicle are coming from. Your exhaust system is a key part of the running of your vehicle and the fuel system. Your exhaust system spans the length of the engine in your car to the rear of your vehicle.

Why does my engine make a ticking noise?

A loose or damaged engine fan can also be the reason for engine ticking or tapping noise. A visual inspection is enough to find out the problem. Check the bolts and clips to see if they are loose. Also, you can tell if the fan blades or shroud on the radiator are damaged just by looking at them.

What causes electrical noise when a motor is running?

Though the system keeps the motor running, the occasional spark occurs between brushes and commutator at the timing of the commutation. The spark is one of the causes of electrical noise.

Why does my car make a noise when I Turn on the engine?

The tappets sit against springs which return the tappets to their original position after movement by the cam inside. This noise is normally caused when the engine oil pressure is low or when the springs or camshafts are worn. Make sure that the car has enough oil by checking the oil level with the dipstick.

Why do I hear a ticking sound in my engine?

Rod knock could be the possible reason for a major engine issue. When the bearing connected to the rod wears off or gets damaged, the rod knocks around the crankshaft and creates a metal-to-metal sound. You will hear a rhythmic, loud ticking noise in engine when acceleratin g.

Why is my M8 engine making so much noise?

Dealer had the bike for over 40 days and HD couldn’t tell the dealer ‘what’ or ‘how’ to fix the noise problem, so I simply enacted our State’s Lemon Law and had HD replace the bike. In so doing, I moved from the Standard to the ‘Special’, which has the 114 M8 motor.

Why does my car make a metallic noise while driving?

The engine can make a distinct pinging or metallic knocking sound while driving. This condition is known as detonation knock. This occurs when the fuel and air mixture in one of the cylinders is detonating at numerous locations simultaneously. It’s possible that you put the wrong octane fuel into the system, which can cause this problem.

Why does my motorbike make a loud knocking sound?

A solid-sounding knocking emanating from deep in the motor is very bad news and is usually related to the engine’s bottom end — the crankshaft and conrods. Worn big-end shells and collapsed bearings can and will seize your engine if they expire as you’re riding along.

Why does my motorbike engine make a noise when I start it?

Start out by listening at different points around the engine, like the cylinder head valve caps, or the camchain tensioner mechanism. An engine will often sound noisy on start-up because components aren’t under load, the engine is cold and the oil hasn’t warmed up and started circulating freely.

What makes a ticking noise at the top of the engine?

Injector noise (ticking) is considered normal. Noise increases with RPM, hot or cold, and is recognized at the top of the engine. Lash adjusters can make a ticking or tapping noise noticeable at any engine RPM or temperature.

Why does my car make a tapping sound when I Change Oil?

Simply changing your oil can also get rid of the tapping sound, as over time an engine that is neglected of maintenance will begin to clog up its oil filters meaning that a build-up of grime can again lead to a lack of component lubrication.

Why does my Harley Davidson make a clattering sound?

As you continue to own and grow with your Harley, you’ll get used to certain feels and sounds that she makes. When something changes, no matter how small, it may be of some concern, or at least something to make note of. One of the more common things that cause concern among owners is a clattering sound that comes from the engine.

Injector noise (ticking) is considered normal. Noise increases with RPM, hot or cold, and is recognized at the top of the engine. Lash adjusters can make a ticking or tapping noise noticeable at any engine RPM or temperature.

Simply changing your oil can also get rid of the tapping sound, as over time an engine that is neglected of maintenance will begin to clog up its oil filters meaning that a build-up of grime can again lead to a lack of component lubrication.

As you continue to own and grow with your Harley, you’ll get used to certain feels and sounds that she makes. When something changes, no matter how small, it may be of some concern, or at least something to make note of. One of the more common things that cause concern among owners is a clattering sound that comes from the engine.

Why does my car make a ticking noise when I Turn Off the engine?

If the oil level gets too low, you can have a situation, where the oil pump sucks air into it; and the air gets pumped through the engine along with whatever oil is remaining. As a result, This can cause a rattling or ticking noise from within the engine. Shut off the engine immediately. Use the oil dipstick to check the engine oil level.

What is the cause of my rattling engine noise?

If your engine has low oil , it can cause rattling sounds due to poor or no lubrication for vinyl engine components. Check engine oil level and add if needed.

Why is my car making a rattling noise when I accelerate?

Why does my engine make a clicking noise?

A faulty engine can cause a clicking noise, as well. When an engine locks up, the starter engages and attempts to start the engine. When it hits resistance due to the engine being locked up, it makes a clicking or clunking sound. When this occurs, serious engine repairs are needed.

What causes an exhaust shield to rattle when not in gear?

Driving in gear and giving the engine gas puts forces on the engine mounts that don’t occur when not in gear. That can twist the engine and transmission enough to cause an exhaust shield to rattle. Ask your shop to inspect the engine and transmission mounts and exhaust system shields.

What does a solid check engine light mean?

A solid light means you should get the car checked soon, while a blinking light needs immediate treatment. Remember that the check engine light in all cases means that engine performance is being impacted, hurting your fuel consumption and wallet as you pay for more fuel. Get the car checked by a mechanic.

What to do when check engine light turns on?

When the “check engine” light turns on in your car, you might be conflicted about what to do. After all, engine problems are nothing to ignore. However, this light doesn’t always mean there’s a problem with the engine itself. That can make it hard to decide whether your car needs to go to the shop.

Why is my Check Engine light still on after filling up?

The cap is a crucial part of a car’s fuel delivery system. It notably prevents gasoline fumes from leaving the fuel tank, and it helps keep the whole system under the correct pressure. If your check engine light turns on immediately after a fill-up, pull over and make sure the cap isn’t loose — or still on your car’s roof.

When the “check engine” light turns on in your car, you might be conflicted about what to do. After all, engine problems are nothing to ignore. However, this light doesn’t always mean there’s a problem with the engine itself. That can make it hard to decide whether your car needs to go to the shop.

Why does my GMC Yukon make a rattling sound?

I have a 96 GMC yukon with 160k miles and I hear a rattling sound whenever I go uphill or accellerate quickly (i.e. getting on to the highway). These are the only times it happens. I can rev the engine in park or neutral and cannot hear the rattling. Anyone know what’s causing this? 160K? Congratulations!

I have a 96 GMC yukon with 160k miles and I hear a rattling sound whenever I go uphill or accellerate quickly (i.e. getting on to the highway). These are the only times it happens. I can rev the engine in park or neutral and cannot hear the rattling. Anyone know what’s causing this? 160K? Congratulations!

Why does my front suspension make a rattling noise?

A rattling noise in that area can be a number of things including bad struts, timing chain issue, or bent suspension components. You should have the front suspension sway bar bushings or link arms inspected for loose or worn components and repaired as needed.

What kind of noise does a car make at idle?

At idle it has a terrible rattling/knocking noise coming from the engine area. Sounds like there is something knocking or banging, as well as something rattling. When the engine is revved up, even just a little, the noise goes almost completely away.

Why does my car make a knocking noise when I Turn on the engine?

The engine is accelerating or lugging under a load. This allows intake vacuum to suck some exhaust in; through the (EGR) valve to dilute the air/fuel mixture slightly. This lowers combustion temperatures and prevents engine spark knock.

What should I do if my refrigerator is making a rattling noise?

Placing of the drain pan at its previous position will reduce the rattling noise effectively. Rattling noise coming from the refrigerator backside, you need to check the defrost timer, the condenser fan, and the Compressor of your fridge. If the rattling noise is due to the noisy defrost timer, most probably, you have to replace it.

When your engine is running smoothly, the air/fuel mixture burns up in a single, controlled detonation inside each cylinder. Detonation knock is a knocking noise that you’ll hear when the air fuel mixture in the cylinders is detonating in more than once place at a time.

Where does the knocking come from in an engine?

Another possible source of engine knocking isn’t actually coming from the engine itself at all. It could be coming from the accessory belt. As the engine runs, it turns a belt that’s connected to various pulleys throughout the engine bay. This belt must be under the exact right amount of tension so that it turns smoothly and quietly.

Whenever I start my car from cold I hear rattling for some time. It started as very slight rattle which could be unnoticed at times, 2 months later rattling can be heard clearly. Volkswagen master technician told me that it is nothing serious and it will not cause any damage.

Is there a rattling noise in my 2016 up?

My new 2016 Up does not appear to have this issue. In fact, the sales man at the dealership stated that the car came with a new (or different) design of gearbox. It seems very smooth to me with no noises compared to my original car.

Why does my hydraulic lifter rattle when I start up?

If the timing chain is rattling, that is NOT OK. That is a serious problem, but a timing chain rattle should rattle about all the time, not just a few seconds on start up. The other thing that would cause a rattle at start up would be defective hydraulic lifter.

Why does the timing chain rattle at start up?

That is a serious problem, but a timing chain rattle should rattle about all the time, not just a few seconds on start up. The other thing that would cause a rattle at start up would be defective hydraulic lifter. I don’t know if Subaru uses hydraulic lifters as the valves are directly actuated by the cam.

If you hear a rattling noise while starting the engine, it may be due to a worn rocker arm. Though it is rare, you can have a check on it if it has been long enough. A faulty rocker arm does not cause any harm to the engine; particularly, it causes the engine to make noise.

Over time, the engine can consume, burn or leak oil. If the oil level gets too low, you can have a situation where the oil pump sucks air into it and the air gets pumped through the engine along with whatever oil is remaining. This can cause a rattling or ticking noise from within the engine.

Why are my heat shields rattling under my car?

These heat shields are made of thin pieces of metal, and are placed between these components and the underfloor of the vehicle. They have become a common source of rattling noises under the car. Over time, heat shields can rust out or become loose and get detached from their mountings.

Why does my car make a rattling noise under the hood?

As a result, there’s a wide variety of sources that can cause rattles. Let’s start with rattling noises under the hood that are caused by oil or fuel-related problems: Your engine oil pump circulates motor oil through the engine, lubricating the internal moving parts.

Why does my Nissan Frontier make a rattling sound?

That rattling sound is the sound of your Frontier’s engine dying. If you have a blown head gasket, you could be losing water that goes into the crankcase. When this happens the oil loses its viscosity as it is watered down. The oil will look orange and foamy when this is the case.

Why does my Nissan have a sulfur smell?

This odor will be most noticeable when your heat is turned up all the way. This smell comes from your antifreeze and it can also cause a filmy fog on your Nissan’s windshield. A busted catalytic converter can often result in the stench of sulfur whenever the engine is turned on.

Why does my Nissan engine smell like old eggs?

A busted catalytic converter can often result in the stench of sulfur whenever the engine is turned on. The catalytic converter is meant to control emissions and when it doesn’t work right, the inside of your Nissan ends up smelling like old eggs. It isn’t really an indication of a serious problem, it just causes a very unpleasant smell.

What causes an engine to clatter when accelerating?

There are guides for engines with a timing chain. Both vehicles with a timing belt or a chain have a tensioning system to keep it snug and centered. If the timing belt or chain tensioner loses its strength, the belt/chain has more movement than it should have. This causes engine clatter when accelerating and the engine clicks as it hits the guides.

There are guides for engines with a timing chain. Both vehicles with a timing belt or a chain have a tensioning system to keep it snug and centered. If the timing belt or chain tensioner loses its strength, the belt/chain has more movement than it should have. This causes engine clatter when accelerating and the engine clicks as it hits the guides.

What you’ll hear is a clattering, tinny metal noise when you idle. The catalytic converter is an emissions control component in your exhaust system. Its honeycomb-style core superheats unburned gases in the exhaust before it leaves the tailpipe. But that core isn’t going to last forever.

Why does my car make a clunking noise when I shift gears?

Broken or loose transmission or engine mounts cause the transmission to move… If your transmission mount or engine mount becomes loose or breaks, you may hear clunking noises whenever you make a sudden change in speed or whenever you shift gears, due to the movement of the unsecure mount.

Why does my Nissan Juke make a rattling noise?

The noise is getting louder and louder, Nissan has claimed its aggressively loud. Is engine knock caused by using cheap gasoline? Click to expand… Under load, like going up a hill in too high a gear, is when some engines will most likely ping/detonate. It kind of sounds like marbles in a tin can.

Why does my engine make noise when I Turn on the engine?

Hydraulic lifters allow the valve lift to increase with engine rpm by filling up with oil as the oil pressure rises. The oil inside pushes the rocker arms further away from the camshaft, which causes the valves to open further. Oil pressure failures are usually at the root of lifter tapping, also known as lifter collapse. Check the oil level.

Why does my Nissan Altima make a loud noise when going down hill?

The noise is loudest when going down hill, and its resting on a gear. and is only heard around 3000-3200 rpm. Nissan has now told me the problem has been narrowed down to a secondary fuel pump in the engine bay, sounds a little fishy to me though. I believe this is a problem is related to a cracked fuel line issue I recently had.

What should I do if I hear lifter noise in my engine?

Start the engine and check for lifter tapping. Remove the engine’s valve covers and check for broken or bent components.

Why does my car whine when I put it in neutral?

The engine whining may be an indication of a power steering problem or a worn bearing. The thing that worries us is that it stopped when you put it in neutral. That sounds like an indication of a bad sensor or a problem with the fuel system.

When does a Nissan Sentra have a hard start?

The hard starting usually occurs at around 60,000 miles, with users stating that the car takes multiple times to turn over, and the car having difficulty starting. The 2007 Sentra has the most complaints regarding the same category – the engine system.

Are there any problems with the 2004 Sentra?

The top category of complaints regarding the 2004 Sentra include the engine category, with the highest number of complaints involving the engine as well.

Why does my car make an awful noise when I sit at a stop light?

As the exhaust system ages, sometime the heat shields start to rust at the hold-down points and become loose. If this is your problem, the engine vibrations will cause an awful noise as you’re sitting at a stop light or as your car is idling in the driveway warming up.

Is the 2013 Nissan Sentra a bad car?

The 2013 Sentra was worse than the 2005 year – hard to believe. In fact, the Car Complaints website gave the 2013 Sentra an “Avoid Like the Plague ” badge, with all of the most common and most serious issues happening before the 2013 Sentra even hit 100,000 miles.

Why does my car make a pinging noise when I idle?

If you have an engine pinging noise, it’s caused by engine detonation. What happens is that fuel is igniting before the spark plug fires off. It’s due to excessive heat, poor fuel delivery, and a bunch of other causes too. Spark knock usually happens at idle and smooths out when you’re driving, but the condition is still present.

Why does my car make a humming noise?

Tires with irregular wear can cause a humming noise, just as wheel bearings or possible differential issues can. Here’s a way to possible narrow it down. If the tires are making noise, they can be heard outside the vehicle. Making… Hello there, with the 2002 CL500 and many other older vehicles it is not uncommon to develop vibration issues.

Why does my car make a clunking noise when I Rev?

When reversing after car sits overnight, there is a loud clunking sound coming from left rear. Seems to stop once car warms up. Ca Hi Corinne. Thanks for contacting us today. Sometimes, this type of problem is an indication of a wheel bearing that is starting to wear. As the wheel spins, it will build-up heat and the noise can go away.

Hello there, with the 2002 CL500 and many other older vehicles it is not uncommon to develop vibration issues. The most common causes would be a damaged rim, out-of-balance tire, failed strut or shock, or another failed suspension component. With… It’s hard to give a specific answer with the amount of information supplied.

Why does my Nissan Pathfinder make a clunking noise?

Rattling and tapping in the front of the engine on the nissan pathfinder is very evident, especially on cold starts…. Rattling and tapping in the front of the engine on the 2013-2016 nissan pathfinder v6 is very evident, especially on… A “clunk” or “knock” when turning or going over bumps can indicate a problem with a ball joint.

Why does my car make a rattling noise when it starts up?

It doesn’t do it when cranking, it’s only when the car first starts up (more noticeable on cold start-up). It’s also not every time you start it, only when it’s been sitting awhile (such as over night). I’m not exactly sure what it is but it’s pretty loud. After about 10-15 seconds or so, the sound settles and is no longer audible.

Why does my Chevy Equinox make a rattling noise?

A “clunk” or “knock” when turning or going over bumps can indicate a problem with a ball joint. The sensation is often felt in the floorboard. A repair technician may notice if…

What do you do when your engine rattles?

Shut the engine off and then locate the oil level dip stick which is usually designated by a yellow handle. Remove the dip stick and wipe it off with a paper towel and reinsert it. Then pull the stick out to observe the oil level it should be between the two marks or dots on the stick.

Why does my Nissan Versa make a rattling sound?

The exhaust system on your Versa is very prone to corrosion and failure at the weld joints and internal muffler components. Nissan warranty coverage is basic and no recalls or technical service bulletins cover this problem. There are other owners… How do you manually shift the automatic transmission?

Why does my Nissan Maxima make a rattling noise?

Rattling and tapping in the front of the engine on the 2002-2016 Nissan Maxima is very evident, especially on cold starts. This rattling noise should not be taken lightly as it warns of upcoming timing chain failure. The cause of the noise is faulty timing chain guide rails and timing chain tensioners that wear out well ahead of schedule.

Why does my Nissan Rogue Rattle all the time?

The number one rattling culprit in your Rogue’s exhaust system is the heat shield. They can get a little loose as the vehicle ages and accumulates mileage. Once this happens, it’ll rattle all of the time. It’s particularly noticeable when you rev the engine in neutral and let off of the gas pedal.

Why does my timing chain make a rattling noise?

This rattling noise should not be taken lightly as it warns of upcoming timing chain failure. The cause of the noise is faulty timing chain guide rails and timing chain tensioners that wear out well ahead of schedule. These components are there to keep the timing chain tight and properly positioned.

The engine is accelerating or lugging under a load. This allows intake vacuum to suck some exhaust in; through the (EGR) valve to dilute the air/fuel mixture slightly. This lowers combustion temperatures and prevents engine spark knock.

Why does my car make a hissing noise when I shut it down?

Hissing/Sizzling If you hear a sizzling or popping sound immediately after shutting down the engine, there could be a leak. Either oil or coolant is leaking onto a hot engine component. You might see the leak on the exhaust manifold, or it could be harder to find.

What would cause a tapping noise in a car engine?
- Low engine oil level. Oil plays a vital role in lubricating the car’s moving parts.
- Old Engine Oil. If you havn’t replaced the engine oil in your car for a long time it is defiently time to change it.
- Low Oil Pressure.
- Bad or Empty Lifters.
- Fuel injector Ticking.
- Rod knocking.
- Unadjusted valves.
- Recently Engine Oil Change.
  
  Why does my catalytic converter rattle when I turn it on?
  
  When you hear your catalytic converter rattling, it may be on its last leg. But what is causing it to rattle? Catalytic converter heat shield rattle is a pretty common occurrence that is caused by the heat shield becoming loose. Often, one or more of the bolts that hold it in place has broken, loosened, or become overly corroded.
  
  What makes a strange noise when the engine is hot?
  
  OK, this is one of several times I am hearing this strange noise (S) when the engine is hot hot. Going down the highway or just pulling out, the noise sounds like metal marbles from somewhere in and around the front cylinder. I had it back to the dealer for this and they could not duplicate the sounds.
  
  What should I do if my car engine is making strange noises?
  
  Strange engine noises are bad news. Do not ignore them—get it fixed or try to make DIY repairs. Your car engine is making unnatural noises and you don’t have the slightest idea what it could be.
  
  Why does my catalytic converter make a rattling noise?
  
  The converter can be damaged by thermal shock or an impact, which can cause part of its internal structure to break off and cause a rattle. In extreme cases, this can sound like a box of rocks being shaken. The converter doesn’t fail by itself; something has to cause it to fail, and that should be identified before it is replaced.
  
  If the oil level gets too low, you can have a situation, where the oil pump sucks air into it; and the air gets pumped through the engine along with whatever oil is remaining. As a result, This can cause a rattling or ticking noise from within the engine. Shut off the engine immediately. Use the oil dipstick to check the engine oil level.
  
  Is it normal to make noise when accelerating?
  
  There are noises that are normal on acceleration. The best way to know if the noise is normal is simply if you have heard the noise before. You have probably driven, or at least ridden in cars for years.
  
  When you hear your catalytic converter rattling, it may be on its last leg. But what is causing it to rattle? Catalytic converter heat shield rattle is a pretty common occurrence that is caused by the heat shield becoming loose. Often, one or more of the bolts that hold it in place has broken, loosened, or become overly corroded.
  
  What does it mean when your car rattles under acceleration?
  
  Spluttering/Shuddering/Misfiring: If you can feel the vehicle vibrating or jerking or a loss of power under acceleration, this usually indicates that the vehicle is misfiring. On vehicles built after 1996, this may also be accompanied by a flashing Malfunction Indicator Light (MIL) also known as the engine light.
  
  Why are the lifters rattling in the engine?
  
  Collapsed Lifters . The engine lifters – small hydraulic parts that open and close the engine valves – need engine oil to do their job. On some older vehicles, these lifters have been notorious for collapsing , which prevents the oil from pumping them up to work the valves. Yup, it’s another problem that causes engine rattling, especially at idle.
  
  Why is my engine rattling on acceleration?
  
  Low level of fluid is one of the reasons for causing rattling noise when accelerating. It’s a simple issue with a simple fix, but the consequence could be outright scary. Low transmission fluid level could the source of the rattling sound when accelerating. A bad torque converter could be the origin of rattling sound when accelerating at low speed.
  
  Why does my car make a low rumbling sound when in reverse?
  
  The same vibration & noise when cold and sometimes on reverse. It started about 2 months ago and it is getting louder and lasts longer. I will take to the dealer to check up. Had to replace the engine mounts at 36k miles ($600! Non warranty repair). It would rattle and growl, usually in the am, when I put the car into reverse.
  
  Why does my car make a vibration when I idle?
  
  A vibration at idle can also be due to a poorly-idling engine, with a miss in one cylinder due to a worn spark plug, clogged injector, or other problem.
  
  What causes a car to make a shimmy noise?
  
  A shimmy in the wheel, a pull to one side or another, or a tendency to wander can all be signs of alignment problems or excessive wear, but that’s all separate from vibration.
  
  Why does my catalytic converter rattle when I start the car?
  
  If a catalytic converter becomes old or damaged internally from excessively rich fuel mixtures, the catalyst coated honeycomb meshes on the inside of the converter can collapse or break apart, causing a rattle. The rattle may be more obvious when starting the vehicle, and will get worse over time.

Navigation