Grinding noise coming from engine?

Nocean · 07-26-2010, 04:09 PM

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

Gregg-O · 07-26-2010, 08:31 PM

Only thing I can tell you is to get under the hood and try to find out where the noise is coming from.

dintymoore · 07-26-2010, 09:28 PM

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.

Nocean · 07-27-2010, 01:48 PM

Took the water pump off definitely the source changed it today no problem thanks for the input

Nocean · 07-27-2010, 01:49 PM

But i did notice a water gushing sound when i pressed on the gas going to try to figure that out as well

Gregg-O · 07-27-2010, 09:01 PM

Bleed the system.

07-26-2010, 04:09 PM	#1 (permalink)
Nocean Junior Member Join Date: Jul 2010 Location: Cocoa Beach fl Posts: 14 Thanks: 0 Thanked 0 Times in 0 Posts View My Garage Nocean	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 __________________ Any day breathing above the ground is a good day to me brother!

07-27-2010, 01:48 PM	#4 (permalink)
Nocean Junior Member Join Date: Jul 2010 Location: Cocoa Beach fl Posts: 14 Thanks: 0 Thanked 0 Times in 0 Posts View My Garage Nocean	Took the water pump off definitely the source changed it today no problem thanks for the input __________________ Any day breathing above the ground is a good day to me brother!

07-27-2010, 01:49 PM	#5 (permalink)
Nocean Junior Member Join Date: Jul 2010 Location: Cocoa Beach fl Posts: 14 Thanks: 0 Thanked 0 Times in 0 Posts View My Garage Nocean	But i did notice a water gushing sound when i pressed on the gas going to try to figure that out as well __________________ Any day breathing above the ground is a good day to me brother!

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07-26-2010, 08:31 PM	#2 (permalink)
Gregg-O Senior Member Join Date: Mar 2008 Location: Phoenix Posts: 1,911 Thanks: 1 Thanked 43 Times in 27 Posts	Only thing I can tell you is to get under the hood and try to find out where the noise is coming from.

07-26-2010, 09:28 PM	#3 (permalink)
dintymoore Senior Member Join Date: Jan 2009 Location: Oahu Posts: 852 Thanks: 0 Thanked 0 Times in 0 Posts	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.

07-27-2010, 09:01 PM	#6 (permalink)
Gregg-O Senior Member Join Date: Mar 2008 Location: Phoenix Posts: 1,911 Thanks: 1 Thanked 43 Times in 27 Posts	Bleed the system.

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