Table of Contents
How tight should a belt tensioner be?
What happens if belt tensioner is too tight?
If a belt is too tight in a system, it can add stress to your bearings. The added stress to bearings can result into over amperage of your motor and potential motor failure.
Can you over tighten a serpentine belt?
Cars equipped with an automatic belt tensioner adjust themselves over time and do not require adjustment.
Should the belt tensioner wiggle?
An over-tightened belt can burn out any bearing that the belt rotates on, including alternator, power steering pump, A/C compressor, idler pulleys, etc. An over-tightened timing belt can ruin any pulley bearing it is connected with.
Can I drive with a loose tensioner pulley?
If your car’s belt tensioner is wobbling, it is important that you take prompt action and replace the faulty part. Even if you are slightly concerned that your belt tensioner might be wobbling, it is best to take your car to the shop or replace the part yourself.
How do you know if belt is too tight?
Driving with a bad belt tensioner is unsafe since the tensioner is meant to guarantee ample tension that powers accessories. Wear on the belt tensioner will eventually cause the belt to slip, generate loud noise, and also create an unsafe level of heat along the accessory pulleys.
What happens if tensioner is loose?
Hold the belt between finger and thumb at this point and move it from side to side. See how much it deflects at the centre of the run. If it moves more than 1/2 in. (13 mm) it is too slack – any less movement and it is too tight.
How long do automatic belt tensioners last?
You should expect to replace your belt tensioner in the 40,000-70,000 mile range. It is also customary to swap more than one part simultaneously, usually a worn-out pulley from other systems and even the serpentine belt itself.
How do you quiet a belt tensioner?
Why should a serpentine belt always be tight?
When a timing belt tensioner fails, it loses tension. As a result, the timing belt becomes loose and the valve timing can be thrown off. This leads to engine performance issues. So if any suspicion arises that the timing belt tensioner has failed, it’s important to check the tensioner and replace it if necessary.
Will a new serpentine belt stretch?
Specifically, the tightness of the serpentine belt plays a key role in linking engine components. Whether the engine parts, such as generator, alternator, battery, etc., work effectively depends on the serpentine belt tightness.
Why is my new serpentine belt loose?
Serpentine belts stretch with age and use, but the tensioner is spring-loaded to keep the belt tight on the pulleys. If a belt starts slipping, the tensioner should always be checked to see if it is functioning properly.
What does a loose belt tensioner sound like?
The serpentine belt need constant tension on the belt to keep it from coming off. If the belt alignment is not aligned then the belt may come off. The tensioner may be out of alignment and not putting enough tension on the belt. Have a mechanic check the tensioner and replace it if needed.
Should I replace the tensioner or just the pulley?
The timing belt tensioner knocking noise is a common sign that drivers notice when their car timing belt tensioner goes bad. If the timing belt goes loose, it starts “knocking” between its connected parts and would keep hitting the timing belt cover.
Can a bad tensioner cause engine vibration?
If the pulley is damaged, replace the tensioner assembly not just the pulley. If an idler pulley is damaged, inspect the tensioner also because vibrations caused by a bad idler pulley may damage the tensioner.
What can a tight belt cause?
Grinding noises – Grinding and rumbling noises are another common sign of tensioner or idler pulley failure, usually due to failing bearings. Excessive tensioner movement – Worn-out coil springs can also cause drive belt tensioners to loosen their grip on the drive belt, resulting in excessive vibration and rattling.
How do you know if your automatic tensioner is bad?
“Men who wear tight belts can have problems with numbness and tingling in their lower extremities, in their legs, and also can cause a painful condition called meralgia paresthetica, where they can actually have compression of one of the nerves down their lower legs,” explains Dr. Vyas.
How long does it take to install a belt tensioner?
Common signs include grinding or squeaking noises coming from the belt, unusual belt wear, and belt-driven accessories like the alternator failing.
How long does it take to change a timing belt tensioner?
Changing a timing belt and water pump can take anywhere from 1-3 hours depending on your skill level, so make sure you have the time and space to complete the job. Do the following before you start: Jack up the front of the car so you can access the undercarriage beneath the engine.
Can I spray wd40 on serpentine belt?
Can you put deodorant on serpentine belt?
Why is my new tensioner pulley squealing?
Once the belt is off, the mechanic will remove the belt tensioner and replace it with a new one before putting the belt back on. It will only take a mechanic 15 minutes to an hour to replace the belt tensioner.
How do I know if my serpentine belt is misaligned?
Will a car start with a loose serpentine belt?
Top Three Reasons for the Squeal Low belt tension either caused by low installation tension, a stretched belt, extreme belt wear, tension spring degradation or a belt that’s too long. High accessory/idler pulley drag from seized bearings or accessory failure/lock-up.