Low oil pressure.

1. Perform an oil pressure test. Refer to Oil Pressure Diagnosis and Testing.
2. Repair or replace as required.

Detonation or spark knock.

Verify the correct operation of the ignition controls. Refer to Electronic Ignition (EI) System Diagnosis.

Loose torque converter bolts.

1. Inspect the torque converter bolts and engine flywheel.
2. Repair as required.

Cracked engine flywheel.

1. Inspect the engine flywheel and bolts.
2. Repair as required.

Connecting rod bearing clearance above acceptable tolerances.

Inspect the following components, and repair as required:

Crankshaft bearing clearance above acceptable tolerances.

Inspect the following components, and repair as required: