Cause | Correction | ||||||||
---|---|---|---|---|---|---|---|---|---|
Low oil pressure |
| ||||||||
Worn accessory drive components Abnormalities such as severe cracking, bumps or missing areas in the accessory drive belt and/or misalignment of system components. |
| ||||||||
Loose or damaged crankshaft balancer |
| ||||||||
Detonation or spark knock | Verify the correct operation of the ignition controls system. Refer to Detonation/Spark Knock . | ||||||||
Loose torque converter bolts |
| ||||||||
Loose or damaged flywheel | Repair or replace the flywheel. | ||||||||
Oil pump screen loose, damaged, or restricted |
| ||||||||
Excessive piston-to-cylinder bore clearance |
| ||||||||
Excessive piston pin-to-bore clearance |
| ||||||||
Excessive connecting rod bearing clearance | Inspect the following components and repair, as required:
| ||||||||
Excessive crankshaft bearing clearance | Inspect the following components and repair, as required:
| ||||||||
Incorrect piston, piston pin, and connecting rod installation. Pistons must be installed with the mark or dimple on the top of the piston facing the front of the engine. Piston pins must be centered in the connecting rod pin bore. |
|