Cause
| Correction
|
A low rumble/knocking may indicate a crankshaft or piston
(lower engine) concern.
|
Low oil pressure
|
| • | Perform an oil pressure test. Refer to Oil Pressure Diagnosis
and Testing. |
| • | Repair or replace as required. |
|
Loose torque converter bolts
|
| • | Inspect the torque converter bolts and flywheel. |
|
Cracked flywheel (automatic transmission)
|
| • | Inspect the flywheel bolts and flywheel. |
|
Excessive connecting rod bearing clearance
| Inspect the following components,
and repair as required:
| • | The connecting rod bearings |
|
Excessive crankshaft bearing clearance
| Inspect the following components,
and repair as required:
| • | The crankshaft bearings |
| • | The crankshaft journals |
| • | The cylinder block crankshaft bearing bore |
|
