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Marc Sanders

Marc ... 4/2/2010

2001 Chevrolet Suburban 1500 LT 8 Cyl 5.3L

Engine

Tap or knock occurs at cold startup, usually goes away in a few minutes. Seems related to rpm.

1 Answer


hunt's auto

hunt's auto 4/2/2010

try a motor flush then use lucus oil treatment with your oil changes and see if that helps

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