Question about 2008 Pontiac Torrent

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On start up loud squel from one of belt driven components my it may be a top guide wheel the sound goes away but still can be heard under hood when open

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Belt squeel is usually from a belt that is to loose and the pulley is slipping against the rubber creating the "squeel".
You will need to locate the belt tensioner and tighten it until you get a 1/2 inch to 3/4 inch vertical flex of the belt at the center point between the pulley's.

Please vote if this helps

Posted on Aug 20, 2010

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My car makes a loud squealing sound when i start it


Mary,

This type of problem is best checked by a trusted mechanic. I doubt you'd hear squealing noises from the crankshaft or harmonic balancer; but it is likely to be heard from a belt tensioner pulley, water pump (or other belt-driven devices under the hood - such as the alternator, power steering pump, etc.). A loose or slipping belt can also cause this noise.

Spraying WD-40 on the source of the squeal may quiet the sound - but not solve the problem that is causing it. By simply masking the problem with WD-40 instead of fixing it - you run the risk of the squealing part failing catastrophically - probably at the least desirable place and time.

For your own safety and convenience, have this problem checked and repaired properly.

Good luck!

Feb 02, 2016 | Cars & Trucks

1 Answer

Having a whining sound on the passenger side front under the hood, not sure what it is not the started cause it start right away, not the alternator cause it is charging the battery, not the water pump...


You didn't list your engine size, so I'm going to assume that it's the 2.5L V6. The engine operates several components via the serpentine belt including the alternator, a/c compressor and power steering pump. This belt also has a tensioner pulley that maintains good contact between the belt and the driven components. A whining sound indicates that one of the components is presenting greater-than-normal resistance to the rotation of the belt. If the noise stays at the same frequency whether or not the a/c is turned on, I would rule out the a/c compressor. Next, does the steering wheel turn smoothly in both directions? Does the sound remain the same when you're turning the wheel? If yes to both, I'd rule out the power steering pump. Does the whining get higher in pitch when you step on the accelerator pedal? If the answer is yes to this and the other questions, I'd lean toward the tensioner pulley being the problem. If that is what it proves to be, I would change it AND the serpentine belt at the same time since the belt may have endured unusual wear due to the tensioner. Good luck.

Oct 07, 2013 | 2000 Dodge Stratus

1 Answer

Llsouth.netmy a/c is not working that great. when i first turn it on a squeling sound is heard, then it goes away. what can be the problem


the squealing sound that goes away is your serpentine belt, try cleaning it with some wd-40 (this wont hurt the belt) With it running just spray on the belt a few seconds, dont get your hands near the belt! If it dosnt cure it you need to replace it and your ac not running that great could be that its just low on freon.
Hope this helps you, please rate if I helped you at all.
Have a good day!

Mar 24, 2011 | 1994 Pontiac Grand Prix

3 Answers

I have an very loud sqeal coming from under the hood that sounds like a family of crickets. any ideas???


I would suspect a bearing in a rotating component
1-water pump
2-alternator
3-power stearing pump
4-belt tensioner idler pulley

Nov 30, 2010 | Ford Ranger Cars & Trucks

1 Answer

1992 Pickup: loud squelling sound under hood when started...


Sounds like a loose belt.

There are a few things that can cause a belt to slip like that.

The belt could be not tightened all the way. If it uses a sepentine belt with a tensioner, the tensioner could be bad. If it is not a serpentine belt, then you will have multiple belts and the one that is making the noise can be loose. Use something to pry it tight and tighten down the bolts holding the component th belt goes to.

It can also be a bad pulley. Pulleys have bearings inside of them, at times the bearings will go out and make the pulley hard to turn. You can usually find this easily by taking the belt off and turning the pulley with your hand. If it is hard to turn or makes a grinding noise when turned...it is bad and needs to be replaced.

Old belts can also cause this along with a belt that is wet. There is a spray on Belt Dressing that helps get rid of noisy belts, but I consider that a bandaid to a bigger problem.

May 03, 2010 | Toyota Cars & Trucks

1 Answer

2006 kia sorento makes a squealing sound under


It is either the tesnioner or the belt....easy way to find out is to spray the pulley that has no grooves....that's the tensioner. Spray it with WD-40 or equivalent, in the middle of the pulley. That is the bearing housing. Spray only that first. Start the motor...if it goes away, then you have found your problem. Try not to spray the belt.

If it still squeals, spray the belt with the engine running. If it squeals, replace the belt.

Has anything been done to the motor recenlty? If so, one of the pulleys may be a little off-centered.

Let me know what you find.

Oct 11, 2009 | 2006 Kia Sorento

1 Answer

Hyundai Accent 2001 making a loud-fan-like noise


POWER STEERING PROBLEM - CONTAINER CONSIST TWO LEVELS. SHOULD THE BOTTOM PART BE THE NORMAL COLOUR OF THE FLUID AND THE TOP PART APPEARS TO BE DIFFERENT THEN REMOVE THE CONTAINER AND CLEAN PROPERLY AS THERE IS A SIEVE BETWEEN THE TWO LEVELS WHICH IS BLOCKED. DRAIN OIL FROM POWER STEERING SYSTEM AND REFILL WITH NEW OIL.
iF BELTS WERE RECENTLY CHANGED THEN THE PROBLEM MIGHT LY BY ONE OF THE PULLEYS THAT IS WARN. MEANING THAT THE BELT INBEDDS TO DEEP INTO THE PULLEY AND CAUSE THE BELT TO SQUEL. SHOULD YOU POUR WATER ONTO THE BELT WHILE IT IS SQUELING IT PROVES THAT IT IS EITHER THE BELT THAT NEEDS REPLACELMENT OR ONE OF THE PULLEY PROVIDING THE BELT TENSION IS INSPECT

Jul 14, 2009 | 2001 Hyundai Accent

1 Answer

Knocking sound from wheel well


it sounds like you have a bad cv axle on the drivers side.

May 14, 2009 | 2006 Chevrolet Impala

1 Answer

I hear a sound like the fan belt sqeaking, I know there is only one belt and that belt is still on . first it made a sound like a tire was leaking air then i heard the sqeaking under the hood


belts can still sqeak even though they are still on, check the condition of the belt, is it craked?, glazed? spray some silicon spray on it while its running and see if it goes away. the belt driven accesories can also make noise, alternator, steering pump, water pump, idler, tensioner, a/c compressor. use a long screwdriver like a stethescope and see if one belt driven acessory makes more noise than the others, just be careful of moving parts.

Mar 16, 2009 | 2001 Ford F150 Styleside SuperCrew

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