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Engine making skreeching noise if not fan belt what other problem may it be

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Hello

Id say more than likely it is your fan belt, if not i would look towards the alternator and water pump!!

Damien

Posted on Aug 22, 2008

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Ian,
There are two fans in a vehicle, One is in the engine compartment and is for the radiator. The other is in the passenger compartment and it runs the heater and air conditioner air flow from the plenum. The condenser is near the radiator and the evaporator is in the plenum. Condensers don't fail. Neither do evaporators. If the squeal is coming from the engine compartment when the air conditioner is turned on, the problem is either the belt to the COMPRESSOR or the CLUTCH on the compressor.

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Loose fan belt


It can be worn out fan belt or the fan is got dried up and needs lubrication.Inspect fan belt.
Check the help link mentioned below:----

Engine makes noise and Cooling Fan belt Breaks?
http://howtobyme.blogspot.com/2011/12/engine-makes-noise-and-cooling-fan-belt.html
---------

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WHAT PULLEY COULDE BE MAKING ALL THE NOISE IN MY ENGIN


Check the fan belt tension. If it still makes a squeaking noise then put graphite powder on the fan belt.

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The engine in my automatic '91 Integra intermittently makes a loud squeaking noise...it sounds to be coming from the left side of the car under the hood. It is not the fan/fan belt, as the noise...


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I have a 2001 Isuzu Rodeo. When starting, it has a loud skreeching noise and when theres a load on it. I have replaced the belt, 2 idler pulleys, alternator, a dummy water pump pulley, and the ac. Still it...


Typically, the noise comes from the fact that the tension on the altenator belt is not enough. I recommend you tighten the belt by adjusting the tensioner screw by about (2) turns and test. Repeat it as necessary until the noise stops.

You'll usually hear the noise right at start up and it will continue for close to a minute until the idle of the car changes.

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I have a 2006 chevrolet malibu and the power steering keeps going on and off. this could be very dangerous


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Is the power steering belt making any noise, skreeching etc?

Check your fluid level for the power steering, it could be low or even leaking as it sounds like air is getting into the system, make sure the belt is tight enough also.

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Faulty Air Compressor


The compressor belt needs to be tightened a bit to stop the skreeching. The worse that can happen is the compressor could lock up, throw the belt and other belts and leave you stranded, other then that it could spit out metal and pollute the rest of the system causing a more expensive repair bill.

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Noise from area of serpentine belt.


The best way I have found to locate a belt noise is to take a can of WD40 and spray it on the belt when the engine is running. (be careful of the fan) If the noise goes away, you know that it is a belt noise and not a bearing. When serpentine belts dry out they make funny noises. Hope this helps, cheers

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Changing the oil is simple procedure.
it more sound like you left some thing close to a moving part.
Check over the engine very carefully. Around the belt area, by the fan.

Try to pin point the noise and add more information. Then I will try to gave you a better answer.

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