I have a knocking noise on my 1996 chevy truck.
Asked by brm Dec 03, 2013 at 06:45 PM about the 1996 Chevrolet C/K 1500 Cheyenne Extended Cab SB
Question type: Maintenance & Repair
It does the knock when the truck is cold and goes away when its warmed up. I changed
the oil from a 5w-30 to a 10w-30 and it went away for a while and now it started back
up. The truck almost up to 180,000 miles on it . I'm using super tech oil and the oil filter
is a ac delco. I been told by people that it could be a piston slap,lifters or that i change
oil brand. It could be anything and really want to know what it is rather than hearing
from different mechanics saying its this and that. Please help!
4 Answers
tonheib350 answered 3 years ago
If its up top its a piston slap...if it's down below the crankshaft bearings are bad
Shannon answered 3 years ago
Well at this point some Lucas will not hurt. It may help get rid of some noise but you still have the potential of it break one day.. I have used it and got results but if it's a bearing it's not long to live..
Your Answer
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