| Cause | Correction |
|---|---|
| Low oil pressure | Perform an oil pressure test. Refer to Oil Pressure Diagnosis and Testing . Repair or replace as required. |
| Detonation or spark knock | Verify the correct operation of the ignition controls. Refer to Electronic Ignition (EI) System Description in Engine Controls. |
| Loose torque converter bolts | Inspect the torque converter bolts and flywheel. Repair as required. |
| Cracked flywheel automatic transmission | Inspect the flywheel bolts and flywheel. Repair as required. |
| Excessive connecting rod bearing clearance | Inspect the following components, and repair as required: The connecting rod bearings The connecting rods The crankshaft |
| Excessive crankshaft bearing clearance | Inspect the following components, and repair as required: The crankshaft bearings The crankshaft journals The cylinder block crankshaft bearing bore |
Engine Noise Under Load