Why does my timing belt tensioner not work?

Why does my timing belt tensioner not work?

Community Answer. The timing chain tensioner is a part that requires a lot of work to change. That’s caused by the necessary time to reach the tensioner and to synchronize the chain, which is in the engine, not as a belt that is external.

Why does my timing belt make a rattling noise?

The rattling noise can come from any number of things. Check the accessory belt for any bad tension, the exhaust manifold protection, the exhaust hangers, the engine mounts, and finally the engine itself for any problems. Thanks! I have a 2001 Toyota Sienna.

Can a 4.0L SOHC engine bend the timing chain?

Fortunately, the 4.0L SOHC is not an interference engine so a timing chain failure won’t bend the valves. But it does create an expensive repair for the vehicle owner.

Why does my serpentine belt make a squealing noise?

It can be tough to diagnose if belt squealing on a serpentine belt is from poor belt tension or a bad pulley or worn water pump. This is a simple method to isolate the problem so you don’t waste money on unnecessary parts. Loading…

Why does my timing belt make a loud noise?

After doing a timing belt replacement, your car may make some loud sounds. If this happens, it may be timing belt tensioner noise. Here are some tips to help you determine if this is the case.

What does it mean when your belt tensioner is making noise?

If this happens, it may be timing belt tensioner noise. Here are some tips to help you determine if this is the case. The first is to verify it is timing belt tensioner noise. You can determine this by pulling over, opening your hood and listening to where the sounds originate.

Is the timing belt tension too high or too low?

Timing belt tension should not be too high or too low. Too low a tension can also lead to shortened timing belt life or ratcheting, while too high a tension will add undue stress to bearings, shafts and other related components. In addition to design considerations, there are several other accepted methods of reducing belt drive noise:

Is it necessary to replace timing belt 4.0?

The engine does not have provisions for a free wheeling valve train. In other words, the 4.0 is an interference engine. They are trying to double-dip on the warranty work (get $ from Chrysler, and $ from you). They already have to take the belt off and put it back on and re-time it as part of removing the head.

Do you need to change your timing chain?

Hello Sue, Your car does indeed have a timing chain. Timing chains do not require any dedicated maintenance. However, changing your engine oil regularly will help extend the life of the chain and all other internal engine components.

Why is my timing chain making a noise?

This noise is often caused by a loose timing chain that may be due to a faulty timing chain tensioner, guide or other issues. More serious problems will start to arise if you ignore the early signs so make sure to give the timing chain a check as soon as you hear a noise coming from its mounting location.

Where is the timing chain located on a Mini Cooper?

Unlike most cars, the Mini Cooper uses a metal timing chain rather than a belt made of composite materials. One of the features of the BMW Prince engine is that the timing chain and tensioner are located inside the engine; the major drawback of this design is that when the timing chain or tensioner fails it can cause catastrophic engine damage.

Can a bad belt tensioner cause an engine misfire?

There are a number of causes of engine misfires in your car however a bad timing belt tensioner can definitely lead to this problem as well.

What happens to the timing chain in a car?

Timing chains are the critical link between the crankshaft and camshaft. Through a series of guides and tensioners, the chains are responsible for keeping the cylinder head valves in sync with the combustion chamber pistons. If the timing chain becomes loose, either by stretching or a failed tensioner, there are serious problems ahead.

Why is my timing belt squealing and rattling?

Average rating from 143 customers who received a Loud squealing or rattling is coming from engine Inspection. The timing belt is a critical part of the automotive engine; if it breaks, it can cause some serious damage. The belt can break due to a number of reasons, but the most common is age. One other common problem is the belt tensioner.

Community Answer. The timing chain tensioner is a part that requires a lot of work to change. That’s caused by the necessary time to reach the tensioner and to synchronize the chain, which is in the engine, not as a belt that is external.

There are a number of causes of engine misfires in your car however a bad timing belt tensioner can definitely lead to this problem as well.

Average rating from 143 customers who received a Loud squealing or rattling is coming from engine Inspection. The timing belt is a critical part of the automotive engine; if it breaks, it can cause some serious damage. The belt can break due to a number of reasons, but the most common is age. One other common problem is the belt tensioner.

How can I tell if my belt tensioner is bad?

The belt tensioner bearing is the most likely one to fail first, but it’s usually the easiest to check and fix. With the belt off, spin the belt tensioner (which is usually the plain, smooth wheel on a spring loaded arm; the smooth side of the belt rides along it). A bad bearing will not spin as easily and/or will sound rough.