Question about 2005 Volvo S40

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Sounds like a loose belt.

My 05 s40 makes a whining noise when running. I think its a loose serpentine belt. Does anyone know how to tighten the belt? Is there and adjustment or is it just torking on the alternator and re tightening?

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Most surpentine belts have an atomatic tensoner. I have had 2 fail on different cars and it is a simple fix, both of them required removal of one bolt.

Posted on Jul 16, 2009

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More than likely the oil seperator/filter housing box and not the belt 3-400 repair

Posted on Jul 16, 2009

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1 Answer

Why is my car making whining noise by belts and pully


One of the accessory bearings could be going out
(I.E.-alternator,water pump,etc)If the noise is near an idler or tensioner pulley,it could also have a bad bearing.The best thing to do is remove the serpentine belt or release the tensioner pulley so the belt is loose,then you can spin each accessory pulley by hand and listen for the noise.You'll also feel the pulley dragging while you spin it and it might have a ratchety feel to it(in other words,as you're rotating the pulley you'll feel it spin somewhat freely and then it will feel as if its catching on something) If the belt itself is bad,it usually makes a squealing or chirping sound.If your vehicle has a vbelt drive with multiple belts,check the pullies the same way as described above and make sure the belts are all tight.A loose belt normally causes a squealing noise rather than a whining noise.Check your power steering fluid level too because the pump will whine if it gets low on fluid.

Oct 11, 2015 | 2000 Ford Taurus

1 Answer

My 2005 trailblazer makes a bird chirping noise. Exactly like birds. My mechanic replaced the belt but it is still making the noise.


If is a serpentine belt, take it out and check the belt tensioner. some of them have a screw that allows for tightening/loosing the belt. Sometimes it looses some bearings and it could chirp.

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96 grand cherokee laredo cold start whining


did you adjust the idler pully, to tighten up the belt?

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Whining sound and lost acceleration. Sounds like noise coming from pully? Whining increases when pressing the gas.


The lost acceleration is of major concern. Maybe you have lost your water pump. It would work great for a few miles when you start out and then gradually heat up and loose performance. The fluid would eventually boil over? Maybe a bearing on the camshaft is expressing it's discontent and causing extra load for the engine to overcome. Try to determine where the noise is coming from.
The serpentine belt connects the alternator, water pump, power steering, front timing pulley, fan, and front timing pulley. All these components generate a parasitic load on your engine. If the engine has to work harder because of increased load it could be any of these components. I'd definitely check the water pump listening for noise while running. Look for obvious things related to the belt and its' components.
Check the serpentine belt for wear. May indicate pulley misalignment or wear. There exists two idler pulleys that have small bearings that wear out and squealing noises. Check those for wobble with the tension off the belt. They are pretty cheap so replace them if any concern at all.
Power steering pumps cavitate and make a high pitch gear whining sound if fluids are low or gears warn of. Check the fluid and top off to the correct level.
Best wishes,
TF

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My 1992 Jeep Grand Cherokee makes a high pitched wining noise when I first start it in the morning. It seems worse when the temperature is cooler.It's a 6 cylinder with about 190,000 miles on it.It's had a...


It sounds like a loose serpentine belt. Check the belt for cracking or frayed edges. It may need to be replaced or simply tightened.
If the sound is minimal or gone when the engine is idling, and you hear it whine when you step on the gas, then the belt is probably your issue.

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When iput my car in gear i can fell the motor raise up with a thump noise also fan belt makes a winning sound


The Motor raising up issue is, you may have a worn or broken Engine or Transmission Mount, inspect the mounts by having someone or you, look at the mounts while someone else puts the car in gear. If you see the mounts move excessively, than the mounts need to be replaced. The whining or squealing Fan Belt may be a worn, glazed or loose belt. I would inspect the belt and tighten or replace as needed.

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1 Answer

1999 Altima: My 1999 Nissan altima is making a loud whining noi...


you call it the serpentine belt, we call it the fanbelt.it,needs tightening,slightly loosen the alternator, then pull away from engine and tighten belt, tight enough when you can move longest part of the belt, between pulleys, 1/2 inch in/out.
if squeel re occurs fit new belt.

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1 Answer

Whining sound from under van only when i push the gas.


The serpentine belt is the most common cause for whining sound when accelerating, try to understand if noise is coming from serpentine belt.

Also check power steering belt under steering column, and also the rotor and chain, thei do not make whining noise , but can make noise when accelerating.

The belt is first suspect.

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fan belt or drive belt loose or worn. If it has tensioner, try replacing belt, if it has an adjustment to tighten, Inspect belt and if o.k. just tighten it, but I suspect belt worn too.

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