CHEVY LOW PRESSURE AND KNOCKING

1999 Chevrolet Tahoe

Tiny

TaChris79

June, 6, 2009 AT 12:47 PM

Engine Mechanical problem
1999 Chevy Tahoe V8 Four Wheel Drive Automatic 133k miles

pressure is low accept for driving over 20 mph but engine is constantly knocking.

FOUND 1772 RELATED QUESTIONS

1 Answer

Tiny

pear69

June, 7, 2009 AT 10:20 PM

If by low pressure you mean low OIL pressure, your oil pump seems to be failing. The knocking you hear can be a few things, if it is a ROD knock - you should consider rebuilding the engine. If it is a LIFTER knock then you can replace the lifter. Solve the OIL pressure problem first.

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