Re: 1986 K10 Engine Noise - Help Needed! What could it be?
Grinding and metal on metal sound from timing chain cover eh? I had a 81 C10 305 and the timing chain wore a hole clean through the timing cover. I didn't hear any grinding but once it started leaking lots of oil I found the problem. I was surprised the timing chain didn't jump before that. It was wicked loose.
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76 Chevy K20
76 GMC K15
77 Chevy C10
77 Chevy K10
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