Question about 1999 Pontiac Grand Am GT

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1999 Grand am gt chirping noise

Had the sepentine belt replaced a couple of months ago.... now has a chirping noise coming from the same general area....mostly when accelerated.

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I bought my '99 grand am used and 3 weeks later had a 'chirping' noise coming from the engine. The main belt was wet from coolant, ergo coolant was leaking. Found out it was the head gasket which was $1600 (canadian) to fix, but was covered by my warranty. Perhaps this helps?

Posted on Jun 18, 2009

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Certain brands (cheapo) of serpentine belt will do this. It is because the new belt is thinner than the old belt. This causes reduced spring tension by the belt tensioning device. Other possible problems are a bad belt tensioner, driving through deep water and getting the belt wet while driving or a defective crankshaft harmonic balancer assembly.
I HATE Dayco brand belts, because they do this a lot. I would have the shop inspect the parts mentioned above. If they are OK, tell them you want a new belt (for free).
Charlie

Posted on Jun 14, 2009

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What damage can be done if drive with no belt on highway in the winter? (Battery light than came on and died)

Posted on Feb 09, 2010

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Posted on Jan 02, 2017

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1 Answer

Where can I find a diagram for the routing of the sepentine belt for a 2000 Mercury Grand Marquis?


SECTION 303-05: Accessory Drive 2000 Crown Victoria/Grand Marquis Workshop Manual DESCRIPTION AND OPERATION Procedure revision date: 06/21/1999 Accessory Drive Component Locationsa0011762.gif
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Sep 14, 2010 | 1999 Pontiac Grand Am GT

1 Answer

It makes a chirping noise all the time


Chipping can be caused from a bad bearing that needs to be replaced or lubricated. It could be inside the alternator. power steering pump, idler pulley, Whater pump, AC compressor, and so on.
Use a long handle such as a broom stick and place the stick to each item that is belt driven. Place it at a secure place such as the housing so the stick does not get near the belt. As the engine is running place your ear at the other end of the stick. This works as a Stethoscope same as a doctor uses. The chirpping will be hear the loudest at one of the belt drive accessories during your testing

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one or more of the pulley's is defective, most likely the tensioner pulley, but check them all for wear and side to side movement which indicates a worn bearing, this causes the belt to not run true and chirp.

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1999 grand am gt makes a loud noise


it sounds like to me the pads are draging on the rotor. when you stop the pads stay tuching the rotor. so if you had it done profesonally take it back. if you did it you self get some brake lube and aplay it on any moving parts

Dec 30, 2008 | 1999 Pontiac Grand Am GT

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