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Home >> Chevrolet >> 1991 >> Caprice Classic V8-305 5.0L VIN E TBI >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Testing and Inspection >> Component Tests and General Diagnostics >> Oil Leak Check >> Oil Pump Assembly

Oil Pump Assembly

1. Low bolt torque.

2. Cut or damaged oil pump to case seal.

3. Oil pump porosity.

4. Restricted oil pump drain back passage.

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