Mechanics

CHEVY MIGHT HAVE PISTON SLAP.

2001 Chevrolet Chevette

Engine Mechanical problem
2001 Chevy Chevette V8 Two Wheel Drive Automatic 113.00 miles

i have bin useing mobil 1 5w30 ever since it was new. The engine has a knocking noise when first started up then goes away after warmed up can I use a heaver wt oil to help protect the engine?
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Nightryder510
July 5, 2009.



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