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Old 01-17-2006, 02:48 PM
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Strange rumbling/buzzing noise from 1983 5th Ave

Hey guys. I have recently bought a 1983 chrysler new yorker 5th ave edition, and the thing is working pretty good besides rather sketchy brakes. I get this strange grinding noise from the front of the car PERIODICALLY (sometimes i cannot get it to make the noise no matter what). It will be a quiet inermittant grinding noise when the car is idling, or it will become quite loud while accelerating, then stop if i either let off the gas or keep going until it switches into 2nd gear. Sometimes it will not make the noise at all while driving. It COULD be the trans, definately not the rear end. It sounds like its coming from the front of the vehicle, perhaps bad bearings in the water pump or air conditioner. The car had been sitting around for a while before i bought it so most regular maintenance needs to be done. One mechanic thought it was a bad water pump, but i want to make sure before i go ahead and do it. Anything else i should check out? Thanks a lot for any help..

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Old 01-20-2006, 11:55 AM
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Go to a reputable shop and have the catalytic converter checked out. A similar noise was driving me crazy on a '97 Ford Explorer. It was intermittant. One mechanic I checked with thought the timing chain was going out and said the engine needed replacement. I checked it out as time went on. The engine ran great but the noise was still there, sometimes on start up, gone when it warmed up, but happening again from time to time. Had a mechanic buddy, with 25 yrs experiance, put it up on the rack and check it out every morning for a week and finally found the noise was from the catalytic converter. It's replaced and now, no more noise. Good luck!
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