A bad idler pulley may wobble & wear out your serpentine belt prematurely. The noise is kind of a grinding, *maybe* knocking noise. If you have belt noise that sounds like a squeal or chirp, you’ve got an underlying problem that must be fixed.
Four seasons 45030 drive belt tensioner pulley
Sounds like the edge of the pulley is rubbing against something metallic.
Up to $8 cash back another common symptom of a possible issue with the idler pulley is squealing from the engine belts.
Any problem within the system will create idle pulley noise, indicating there’s something wrong with the pulleys. They all sound good, no play. Gates 36173 drivealign belt drive idler/tensioner pulley $33.09. The #1 cause of serpentine belt noise is a worn automatic serpentine belt tensioner.
Hank, what you need to do is get dale to come over and have a cold 12 pack on hand, you should still have about 8 left when you're done.
It may need a serpentine belt tensioner pulley. You can purchase a specific serpentine belt tool to tighten your idler pulley. Remove the serpentine belt by using a breakover bar, ratcher or serpentine belt removal tool with the correct size socket for the pulley mounting bolt. Help please idler pulleys and belt removal squeak noise.
Most people blame the belt and replace it only to find the belt noise.
It was obviously coming from the serpentine belt (which had been replaced about 3 months ago). Serpentine belt noise squeal or chirp belt noise can be caused by a tension, alignment or wear issue. I can't think of a single reason that a squeal would occur in any timing belt component because of turning the wheel. $31 gates 36173 drivealign belt drive idler/tensioner pulley.
Check all of the pulleys and make sure that they spin easy and not hard.
If your belt looks to be in good shape and isn’t dried out, then it’s a good idea to check the tension on the idler pulley to make sure it’s strong enough to take all the slack out of the belt as it spins. If it were a timing belt idler or tensioner bearing, i'd. To see if the idler pulley is making the noise or the crankshaft pulley is making the noise, simply remove the serpentine belt from the engine and start the engine. Get rid of that horrible noise & change.
A serpentine belt is meant to run on various pulleys, like the idler pulley , and if any of the devices or tensioner pulley is not correctly aligned with the serpentine belt, the serpentine belt noise will occur, often in the form of a.
The sound is coming from the water pump pulley (pn 12625313). In some instances a bad pulley may bind or slip and cause the belt to. If the nose goes away, then a pulley could have an issue that is causing the belt to stick. It's not that big of a deal to do but for replacing a serpentine belt it is a big deal if that makes sense.
The function of the idler pulley is to help move the other engine accessories, and can cause serpentine belt noise if the pulley is misaligned.
If the surface of the idler pulley wears, or the pulley seizes or binds it may cause the engine belt to squeal as a result of it rubbing against the surface of the pulley. I'd ask if the serpentine belt was replaced? A loose belt that’s slipping will squeal. How many idler pulleys does an engine use?
The bearings in it can go bad.
Most engines have only one idle pulley and one tensioner pulley. If you're coach still have the oem tensioner, chances are that's your noise. But it only happens when the engine is idling. This could explain the squeal in a turn.
Up to $8 cash back hi there.
I removed the serpentine belt, checked all the idlers, pumps, etc. This is the part that the large nut on the fan clutch attaches to. A bad pulley may create many troubles, affecting the serpentine belt and accessories connected thereto belt. When this idler wears out it makes a growling noise that changes with engine rpm.
It’s a simple job you can do.
