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#1
07-28-2008, 10:32 AM
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1995 Blazer 4.3 motor knock
I bought this blazer from my mother in law, it sat about 4 months during the winter. I went and picked it up and drove it for about a month and a half. I then changed my oil and the motor began to tick. It then became a knock, I tried a different oil filter, oil and tried mystery oil, and lucas. If its colder out it takes about 30 - 45 seconds before it starts to knock, what is the problem and why did this happen?
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#2
07-29-2008, 09:08 AM
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Re: 1995 Blazer 4.3 motor knock
Is it in lower end or top end of engine?
Does it do it under a load or sitting still? Can you change the noise by shorting out the cylinders? How is the oil pressure doing?
__________________
Remember proper testing gives us the answer to many problems. MT
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