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Old 07-26-2010, 04:09 PM   #1 (permalink)
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Grinding noise coming from engine?

Ive had my impala sitting for a couple months Ive cranked it up the last couple of days and noticed a loud grinding sound coming from either the belts or the engine.Should i be worried?Any body expierence anything like this or have a clue id really appreciate some advice

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Old 07-26-2010, 08:31 PM   #2 (permalink)
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Only thing I can tell you is to get under the hood and try to find out where the noise is coming from.

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Old 07-26-2010, 09:28 PM   #3 (permalink)
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I have this cheap mechanics stethoscope I got from J. C. Whitnutz© years ago, but if you don't have one you can just use a short (maybe 2' or so) length of auto heater hose, the stuff that's say 5/8" I.D., and hold one end to your ear and put the other to the engine and you'll be surprised how well it works.

My wife's '92 Caprice had a grinding sound and when I put my stethoscope against the water pump it was real clear it was the source. When I took off the water pump it was obviously worn.

I'd put it against the water pump, alternator... anything you can think of and see if that works. It helps to put an earplug in your other ear and be real careful around the fan and belts - no baggy clothes, you know the routine.

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Old 07-27-2010, 01:48 PM   #4 (permalink)
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Took the water pump off definitely the source changed it today no problem thanks for the input

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Old 07-27-2010, 01:49 PM   #5 (permalink)
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But i did notice a water gushing sound when i pressed on the gas going to try to figure that out as well

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Old 07-27-2010, 09:01 PM   #6 (permalink)
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Bleed the system.

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