1999 CHEVY TAHOE LOW PRESSURE AND KNOCKING

  • Tiny
  • TaChris79
  • 1999 Chevrolet Tahoe

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.

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Saturday, June 6th, 2009 AT 12:47 PM

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  • Tiny
  • pear69
  • Member

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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Sunday, June 7th, 2009 AT 10:20 PM

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