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Loud screeching noise when car is warm and at idle . Rev engine noice stops

Replaced 2 tensioner pullys

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DID YOU REPLACE THE BELT AND THE TENSIONER ASSY?

Posted on Dec 15, 2014

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May be that your belt is glazed or worn. Try replacing it.

Posted on Dec 15, 2014

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There's a screeching noise in the motor compartment on my 99 ford expedition v8 5.4 triton , ive replaced the idle pully, tensioner pully,cluch fan. Waterpump is not leaking


Hi my name is Brandon I am mechanical n electrical engineering technician and 4 generation mechanic its a blessing by God! But tell you little bout what I do I am not a mechanic I am the man they call when reg... mechanics cant fix it and I need more information to be right on the money whats a bout the altn.... sounds like bushIng are aad

Brandon,
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Email address is (brandonbrownfeb1990.bb@gmail.com)
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I have a screeching noise when I start my air conditioning.


It could be but how easy was the belt tensioner ? that may be the problem by not putting enough tension on the belt. How tight is the belt ?

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May 19, 2012 | Cars & Trucks

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2006 Dodge Gr. Caravan. Loud humming noise upon


Misalignment of the belt, incorrect belt, worn or loose tensioner, Too tight of an adjustment (many service centers do this on purpose so when the belt breaks in it becomes properly adjusted, I do not believe in this philosophy), The belt is actually one long belt called a serpentine belt.....

Feb 21, 2010 | 2006 Dodge Grand Caravan

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Had belt squeal, treated w/belt dressing now loud clicking


Stop!
One of your pulleys is seizing. Most likely the a/c compressor or the tensioner (idler pulley).

Use a helper.... turn OFF a/c and have someone start the car. Observe the pulleys and see if the center one quits turning or is the source of the noise.
If can't determine and no noise, turn ON A/C and observe.
You will find it, but stay out of the line-of-fire if the belt breaks... it will be slingshot out of the engine compartment!!

Sep 30, 2009 | 1999 Jeep Cherokee

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The fan clutch was replaced but the same noise which sounds like an airplane taking off is still present when accelerating at any speed. Does the fan motor need to be replaced also?


Could be your belt tensioner is worn out and needs replacing, common for a 10 year old vehicle. Is it a loud squeeling noise? if so then it's the belt slipping and rubber on metal pullys is a loud screeching noise

Aug 05, 2009 | 1999 Ford Expedition

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I have a 1990 240 DL volvo and there is a loud screeching noise when I turn the A.C. on and turn corners. If I turn the A.C. off the noice stops. What is it, and how do I fix it?


Your drive belt tension may be set too loose or the belt itself is going bad. If you have a spring loaded tensioner, that may have weakened as well. Bottom line is that when belt is not tight enough, the normal load from the compressor added to the extra load on the pump when turning causes the belt to slip (making noise) Eventually, it may begin making noise when started as the alternator demands more power in order to work (you likely have heard cars with this problem in parking lots...loud screech right after starting) Wish I remembered which method they use to restore tension on yours butyou can easily get that info in any inexpensive manual (they may even allow you just to browse it without buying)


Good Luck!!!

Aug 01, 2009 | 1990 Volvo 240

1 Answer

1996 dodge intrepid 3.5L screeching squealing engine noise


Check the idler pulley. Does the noise happen when the A/C is on?

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1 Answer

Loud screeching noise coming from car after stops.


the screeching noise is most likely caused by a slipping belt or pully. transmission probably needs fluid and filter changed.

Jun 02, 2009 | 1990 Ford Tempo

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Car is making loud noise & wont idle


your timing marks must be off for the car not to idle. the timing belt is too tight, that is where the noise is coming from. rule of thumb is you should be able to twist the timing belt to just under 90 degrees on the longest section after the tensioner has tensioned and nut on pully it tightened. tensioners usually tension more than they need to.

May 25, 2009 | Hyundai Motor 1998 Sonata

2 Answers

Oil pressure light on at idle


Don't delay on this. Take the vehicle in and have the oil pressure sensor checked. It could be just the sensor or it could be something more serious. A drop in oil pressure could lead to catastrophic engine failure.

don

Sep 30, 2008 | 2003 Dodge Neon

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