When to replace a tensioner on a belt?
If the bearing is good, the pulley will spin freely, straight and true, without any noise. If that’s not the case, you have a bad bearing and must replace the tensioner. Unfortunately, the end result of any belt tensioner noise is usually tensioner replacement. If you note any of these abnormal signs during your inspection, replace the tensioner.
Why is my belt tensioner making a noise?
Unfortunately, the end result of any belt tensioner noise is usually tensioner replacement. If you note any of these abnormal signs during your inspection, replace the tensioner. If none of these signs are evident, the noise may be issuing from another component and not the tensioner.
How does a serpentine belt tensioner work?
Most modern vehicles use a serpentine belt to run the engine accessories such as the power steering, air conditioning and alternator. The belt routes around the pulleys in a serpent-like manner, hence the name. A belt tensioner that consists of a bolt plate that mounts on the engine, a spring-loaded arm and a pulley applies tension to the belt.
What kind of pulley does a belt tensioner use?
A belt tensioner that consists of a bolt plate that mounts on the engine, a spring-loaded arm and a pulley applies tension to the belt. The pulley itself has an outer ring and an inner bearing.
On systems equipped with an automatic tensioner, the tensioner pulley should turn freely without binding, the tensioner arm should move smoothly through its entire range of motion and there should be adequate tension. Replace the tensioner and /or pulley as required
What do I need to replace my serpentine belt?
I just got my serpentine belt replaced and it’s squealing when I start the car and sometimes when I hit the gas what is this do I need a fan belt?? My car has 134000 miles.
When do you need to replace a car belt?
Belts installed on vehicles with manual tension drives should be properly tensioned during installation, and re-tensioned after 5 minutes of run-in (30 lbs. per rib). A belt installed incorrectly will make noise and if not remedied quickly, will need to be replaced
When to replace a belt due to misalignment?
Inspect and replace all accessories / pulleys that are difficult to rotate (i.e. rough/seized bearings), or show excessive wobble / free rock Warning: Any existing misalignment condition probably caused pre-mature wear of the belt ribs on the old belt. A new belt is recommended once the accessory drive has been realigned.
On systems equipped with an automatic tensioner, the tensioner pulley should turn freely without binding, the tensioner arm should move smoothly through its entire range of motion and there should be adequate tension. Replace the tensioner and /or pulley as required
Inspect and replace all accessories / pulleys that are difficult to rotate (i.e. rough/seized bearings), or show excessive wobble / free rock Warning: Any existing misalignment condition probably caused pre-mature wear of the belt ribs on the old belt. A new belt is recommended once the accessory drive has been realigned.
I just got my serpentine belt replaced and it’s squealing when I start the car and sometimes when I hit the gas what is this do I need a fan belt?? My car has 134000 miles.
Belts installed on vehicles with manual tension drives should be properly tensioned during installation, and re-tensioned after 5 minutes of run-in (30 lbs. per rib). A belt installed incorrectly will make noise and if not remedied quickly, will need to be replaced
How do you tighten drive belt on riding mower?
The first thing you need to do is turn on the mower using the ignition switch and look for a place to park your riding mower. By now, your blades shouldn’t be moving since you haven’t tightened your drive belt yet. Next, park the mower to the side by hitting on the parking brake pedal on the left. 2. Look For The Log Lever
When to re-tension a manual tension drive belt?
Fluid contamination on the belt (oil, power steering fluid, antifreeze, belt dressing, brake cleaner, etc.) Belts installed on vehicles with manual tension drives should be properly tensioned during installation, and re-tensioned after 5 minutes of run-in (30 lbs. per rib).
When is it time to replace your car belt?
When inspecting the belts look for signs of cracking, missing ribbing, marring, striping, general brittleness or uneven wear. If you see any of these signs it means that it is time to replace them with a fresh belt.
What causes low belt tension and belt noise?
Causes: 1 Low belt tension 2 Low installation tension (manually tensioned drives), belt stretch, extreme belt wear, tensioner spring degradation or a belt that is too long 3 High accessory / idler drag 4 Seized bearings or accessory failure / lock –up 5 Environmental contamination
How much does it cost to fix a timing belt?
A typical timing belt will only cost between $25 and $50, but the repair takes at least a few hours. The labor cost to replace a timing belt can range from $200 – $900.
What are symptoms of Bad Water Pump N timing belt?
Top 6 Bad Water Pump Symptoms Leaking of Coolant. When the water pump goes bad, it may leak from the axle sealing or any gasket. Squealing Noise. When the water pump goes bad, it may leak coolant into the bearings of the water pump, which will dry out the bearings of grease and therefore Water Pump’s Axle loose. Overheating Engine. White Smoke From The Radiator.
Should the timing belt be replaced?
If your car has a timing belt, it’s important that you inspect it regularly to ensure that it’s in proper working order. This small part is critical to your engine running properly, and if it breaks the results can be catastrophic. Your timing belt should be replaced every 50,000–70,000 miles, depending on your car’s make and model.
Do timing belts need replacing?
Although timing belts are critical, there’s no need to replace them regularly -unless explicitly recommended in your owner’s manual. Some automakers recommend changing a timing belt between 60,000 and 100,000, others don’t. Many of today’s timing belts can go 100,000 miles or more without needing to be replaced.
When to replace timing belt on Toyota 4Runner?
4Runner Owners of V6 4Runners from 1990 to 2002 will need to replace their timing belt every 60k, while owners of V8 engines from 2003 to 2009 need to think about a belt replacement every 90k miles.
When do I need to replace my timing belt?
Unless your vehicle has a timing chain, or for some reason you’ve replaced your timing belt on a different schedule, it’s vital to replace the belt at the intervals listed.
How does a new serpentine belt get installed?
It’s installed by removing the bolts on the alternator so it can be moved into and out of place. The alternator actually pivots around the lower bolt, so you can remove the belt. The other bolt will be in a slot not a round hole, and the position of the bolt in the slot adjusts the belt tension.
What causes a belt tensioner pulley to squeak?
Tensioner pulley wear will cause your pulley to squeak. A worn out pulley bearing or a worn spring in the tension pulley can also cause squeaking or a chirp. I show you how to use water to identify what type of squeak problem you have and then how to find the problem.
How is the drive belt tension in a car?
In some cars, the drive belt is tensioned with the help of a hydraulic belt tensioner. This kind of drive belt tensioner is controlled by a little shock absorber working just like a spring-loaded tensioner.
What kind of belt tensioner do I need for my Nissan?
The belt tensioner in your Nissan keeps belts tight. Whether they are the seat belts or the engine belts, the tensioner keeps them at the right tension. A bad tensioner can cause excessive noise or whines from the engine compartment. If you need a new belt tensioner, then choose the right OEM Nissan belt tensioner for your model.
What makes a belt tensioner an OEM part?
OEM belt tensioners are made from quality materials that will last as long as the original tensioner. An OEM Nissan belt tensioner is made to meet the needs of your vehicle. When you need new OEM Nissan auto parts, look no further than Nissan Parts Plus.
Can a bad belt tensioner cause a whine?
A bad tensioner can cause excessive noise or whines from the engine compartment. If you need a new belt tensioner, then choose the right OEM Nissan belt tensioner for your model. OEM belt tensioners will be the right fit for your model without any need for modification.
How do you remove tension from a serpentine belt?
Note: It is a very heavy spring tension, and pivoting the tensioner is often not possible with a short handled tool. Hold the tension from the belt, and slip the belt off the auto tensioner pulley to remove the belt and pulley system. Slowly release the tension to avoid damage or injury, and then remove the tool from the belt auto tensioner.
What causes low tension on a car belt?
Low installation tension (manually tensioned drives), belt stretch, extreme belt wear, tensioner spring degradation or a belt that is too long Fluid contamination on the belt (oil, power steering fluid, antifreeze, belt dressing, brake cleaner, etc.)
How do you adjust a John Deere transmission belt?
Loosen the center bolt on the transmission drive belt idler arm, but do not remove it. Holding the top of the center bolt-head with the combination wrench while loosening the retaining nut on the underside with a socket wrench is the next task. Push the idler arm forward to align the adjustment bolt holes.
How do you adjust the tension on a serpentine belt?
Locate the adjuster bolt on the belt tensioner used to secure the serpentine belt, and adjust the tension by loosening or tightening the adjuster bolt with a racthet and socket while you simultaneously move the belt back and forth gently to find the proper tension.
What to do if your belt tensioner is not working?
Use a wrench to move the belt tensioner arm through its range of motion. What you want to see is that there is resistance to the movement that you apply. If you notice that there is no resistance at all, then the problem is in the tensioner spring.
What does the spring on a belt tensioner do?
The spring keeps the drive belt in its correct tension. The tensioner arm is a mechanism that allows for the adjustment or the removal of the drive belt. It delivers enough slack on the drive belt for easier adjustments. The base is what holds all the different parts together.
When do you know you have the right tension on your belt?
You will know that you have the right amount of tension when you can twist the belt about half a turn with your thumb and finger. Less than half a turn is too much tension, and more than half a turn is not enough.