Question about 2004 Chrysler Town & Country

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Noisy Idler or tensioner pulley

Grinding noise from the idler or belt tensioner.

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Bearings are going out. replace pulley.

Posted on Jan 12, 2013

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My idler pulley on my 96 ford explorer is grinding on the bracket that holds it in place and creating a loud grinding noise, what steps would I use to resolve it??


change the idler pulley . its held on by a bolt in the center of the pulley. the bearings are sealed so you can't grease them. but first you have to take the tension off the serpintine belt. that is also another pulley located below the idler.don't know what size bolt on a ford but use a long wrench grab the bolt on the tensioner push to the right like you were tightening it. that will release the tension on the belt. don't take the belt all the way off just off the idler pulley. change the pulley and do tha same to reinstall the serpintine belt. if the belt comes all thr way off under the hood or on the front around the top of the radiator there will be a schematic that shows you how the belt should go around everything. let me know what happens. sometimes the tensioner pulley will grind also so be sure your changing the right pulley

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How do i fix a noisy timing chain


You replace it and the tensioners and shoes it rides on and is tensioned by. But this car doesn't use a timing chain, it has a belt driven camshaft. So that would be a belt tensioner pulley or idler pulley or the belt was adjusted incorrectly and is to tight, this causes a growling/whining with a changing pitch noise.

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Serpintine belt came off after a couple of days of a squeaky grinding noise from that area. no issues with power or electric or cooling before it came off. could it be more than just the belt


Hello bigfish.

We often see this on the Chrysler vans in the shop.
You will need to check all the pulleys and bearings that the belt runs on.
Alternator, AC compressor, tensioner pulley, idler pulley, power steering pump.
Also the tensioner has a heavy spring in it that keeps tension on the belt and pivots on an aluminum pin.
If it wears it go crooked and tilts pushing the belt off.
All these parts are available through your favorite auto parts store.
I would recommend a Goodyear Gatorback belt if you are replacing it, they seem to work the best.

If you would like further advise with this, please ask me in comments.
Thank you.
KL

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Noise on belt tensioner or idler pulley


Carefully check the condition of the belt, the tensioner, and the idler pulley. I had the same thing happen and once I knew where to look, I could see that my idler pulley bearings were bad (understatement...they were GONE!)

Your idler pulley and tensioner need to look even and straight and not leaning in or out. A sure sign of a problem is if one or the other leans in toward where the tension from the belt would be on it.

The best way to check is to buy, rent, or borrow a serpentine belt wrench to take the pressure off and then try and wiggle the tension and idler pulley. If you feel any play, replace as soon as possible. I dragged my feet and ten days after I heard the noise, my idler pulley flew apart right as I pulled into work.

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Sqeaking from the accessory belt drive. could be a bearing in one of the pulleys, the pump, the alt or the belt tension has weakened. It occurs off and on, usually just off idle but sometimes at idle. Is...


common cause is the belt gets worn and stretched, yes the tensioner is suppose to keep its tension but also the tensioner gets weak and all it takes is a couple slips of the belt to harden and you will get a squeal. Spray WD 40 on tensioner, idler pulleys, alternator behind pulley, not on belt or where belt rides on pulleys but at all bearing locations. Did squeal stop? If not replace belt. Usually a chevy water pump will leak, or grind not sqeak unless there is rusty non lubricated so called coolant in it which 1974 maybe but 2007 na im sure you didn't neglect this baby. You can also inspect the belt carefully, possibly buy a can of belt dressing and spray belt but do make sure you use a ratchet and check your belt tensioner for smooth non sticky tension pressure.

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How to tighten serpentine belt for 2003 Monte Carlo 3.8L


the belt is self adjusted by a spring loaded automatic belt tensioner, if the belt is noisy or seems loose either the belt size is wrong (if it was replaced recently) or the tensioner is defective or one of the belt idler pulleys is defective.

May 27, 2010 | 2003 Chevrolet Monte Carlo

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Grand jeep, whines and is high pitched its an auto wheen being driven noise goes on the overrun the noise is quite apparant HELP


Check. Belt. Tensioner, Idler pulley , Serpentine. Belt- - Remove. Serp. Belt. - Spin. All. Pulleys - accesories - check for grinding\Play !

Jan 20, 2010 | 1993 Jeep Grand Cherokee

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My idler pulley is making a squeaky light grinding niose.


Any Auto Parts store or even a Wallmart may have a WD 40. I would first try to spray this behind or right where you see the Axel of this Idle pulley.
Unfortunately it may be getting old and dried out.
If you have any grease or even - sounds funny - Vaseline - try smearing this on where the Axel meet's the round pulley.
Blessings,
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Whistling noise coming from engine compartment on 2004 toyota sequoia


Troublkeshoot possible noisy idler pulleys, if they are OK, remove the plastic cobers & check for a noisy timing belt tensioner pulley. Water pumps rarely "whistle"; they grind. But, if you see any evidence of leakage at the weep hole on the water pump impeller shaft, replace the pump regardless. Might as well replace the timing belt whilst you are there, too.

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The tension is automatically applied by the tensioner pulley. If it is noisy either the belt is bad or a bearing is failing in the idler or AC compressor pulley.

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