Why does my Lexus IS 350 make a knocking noise?

Why does my Lexus IS 350 make a knocking noise?

Check your oil level and oil quality to be sure it’s in good condition. The Lexus IS 350 has another, more serious issue with similar symptoms. There was as issue with oil getting to the cam gears in the Lexus IS 350. This is more of a rattle noise than a complete knock.

Why does my Lexus sound like a sewing machine?

If your Lexus sounds anything like the one in the featured video below (a very angry sewing machine), the water pump is likely the culprit. If the noises do not fit either of the above scenarios but rather shows up after engine is shut down, take heart and read on to step 3.

Why does my Lexus IS Keep Knocking on the door?

This article applies to the Lexus IS 250, IS 350 (2005-2014). Engine knocks and pings signal problems with the motor. They can be pretty benign or may indicate more serious problems. There are some fairly simple self-diagnostic steps you can take to get a better understanding of what’s going on under the hood before dropping it off at the shop.

Why does my car make knocking noise when I start it up?

There are some fairly simple self-diagnostic steps you can take to get a better understanding of what’s going on under the hood before dropping it off at the shop. Gas additives (fuel injector cleaners, octane boost, etc.) A knocking noise that only happens on engine start up for a few seconds might be a sign that the oil is bad.

Why does my Lexus IS 350 make a ticking noise?

Your sway bar may be causing all of the racket. If you hear some slight ticking while sitting in idle, it’s probably just normal. These vehicles—the IS 350 especially—tend to tick like a clock at idle. That noise is the sound of the direct injection injectors opening and closing.

If your Lexus sounds anything like the one in the featured video below (a very angry sewing machine), the water pump is likely the culprit. If the noises do not fit either of the above scenarios but rather shows up after engine is shut down, take heart and read on to step 3.

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

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 accelerating.

This article applies to the Lexus IS 250, IS 350 (2005-2014). Engine knocks and pings signal problems with the motor. They can be pretty benign or may indicate more serious problems. There are some fairly simple self-diagnostic steps you can take to get a better understanding of what’s going on under the hood before dropping it off at the shop.

What to do if your Lexus won’t start?

If you hear a click sound right at the starter relay (Green Color Square Type Relay). If it click when your friend try to start the car, then the relay is good. Second thing you can do is to borrow a starter relay from a friend. If the working relay installed and the engine still not turning, then its not faulty relay.

What do I need to know about my Lexus starter?

If you hear a click sound right at the starter relay (Green Color Square Type Relay). If it clicks when your friend try to start the car, then the relay is good.

When to check the knock sensor on a Lexus?

Monitor the frequency signal of the knock sensor when reviving the engine between 3500 and 4000 RPM; 7000-8000 Hz should be present. The Lexus knock sensor if faulty, could display various symptoms like a ‘check engine’ light.

Is the Lexus LS400 a good car to drive?

The LS400 mixes everything that’s good about a Town Car and S-class Mercedes, and makes it better. It drives right, it sounds right (when you can hear anything at all), it’s comfortable, it’s supremely relaxing to drive and never tiring, it is executed flawlessly and works well even after a quarter of a century.

Why does my car not make a sound when I turn the key?

This is very common if you lend your car to someone. The symptom of this condition is “No noise or sound at all” when ignition key is turned. If this is faulty, the symptom will be the complete ignition kill. Therefore, you will not heard and clicking sound or engine turning at all.

How to fix the antenna on a Lexus LS400?

1) Using two hands for control, place a large flat head screwdriver sideways in one of the grooves just like the picture. Be VERY careful not to slip to avoid a nasty slip. Slowly rotate the screwdriver counterclockwise. Gradually increase the pressure and the nut will break free.

Check your oil level and oil quality to be sure it’s in good condition. The Lexus IS 350 has another, more serious issue with similar symptoms. There was as issue with oil getting to the cam gears in the Lexus IS 350. This is more of a rattle noise than a complete knock.

What should I do if my Lexus IS knocking?

It’s recommended to take the vehicle in to the shop if the knocking is a recurring issue even when the oil is good. However, if going to the mechanic is not possible, there is a work around. Try to park your IS facing downhill so gravity pulls the oil towards the gears when starting the car.

There are some fairly simple self-diagnostic steps you can take to get a better understanding of what’s going on under the hood before dropping it off at the shop. Gas additives (fuel injector cleaners, octane boost, etc.) A knocking noise that only happens on engine start up for a few seconds might be a sign that the oil is bad.

Why does my Lexus V6 rattle when I cold start the car?

The first cold start of the morning some Toyota and Lexus V6 owners, especially those who have the 2.5L or 3.5L V6, notice a loud rattle the first few seconds after startup. The noise disappears after the car builds oil pressure. The most common cause is the variable valve timing camshaft gear assembly leaking down oil pressure as it sits.

Can a water pump in a Lexus overheat?

The water pump in a Lexus IS—or in any vehicle for that matter—is a vital component. If the water pump seizes, the engine is going to overheat and quickly die permanently. The water pump is covered under the power train warranty, so if you are still within your warranty period, take it in sooner rather than later.