Car Problem Reports

Chevrolet Monte Carlo Oil Pump Drive O-Ring May Leak Oil

 
Chevrolet Monte Carlo Problem
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Model Years Affected: 1995, 1996, 1997

Engines Affected: 3.1L V6, 3.4L V6

Average Mileage: 73,500 mi (51,000 mi - 96,000 mi)

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An engine oil leak may develop from the oil pump drive O-ring. This can often be confused with an intake manifold gasket leak. Careful inspection is required to determine the exact cause of the leak. Replacement of the failed 0-ring will commonly correct this concern.

  • Visitor, , 3.1L V6, 96,000 mi

    Bad oil leak. Pulled cover from converter, definitely not rear main seal. Looked at valley with flashlight, and there is oil as far as you can see both ways under the intake

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