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#1
08-17-2005, 03:14 PM
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1991 c1500 5.7 knock
I have a 1991 GMC C1500 with a 350 5.7 and it only knocks after it get up to tempeture and ran a while. It's isn't low on oil and I use 20W-50 GTX. whats could the problem be.
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#2
08-17-2005, 06:23 PM
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Re: 1991 c1500 5.7 knock
What is the oil pressure when the knocking starts?
//2000CAYukon
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#3
08-19-2005, 03:51 AM
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the oil preasure drops to about 15 when it starts and i noticed today if i turn the A/C on it stops
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#4
09-02-2005, 02:27 PM
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My foreman told me that it is my rod bearing going bad, How serious is that and how hard is it to fix? Is it something I can do in a day in the driveway or do I need to take it to a shop and let them pull it.
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#5
09-04-2005, 08:48 PM
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Hi
If you are asking that question , then definately take it to a garage. This is major ,lower engine work. Try another mechanic to make sure this is really the problem. I watched a show on car repairs and a garage said a particular car needed a carb kit. The vehicle was fuel injected???? Get the picture! good luck. Kevin
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