Cause
|
Correction
|
Incorrect oil filter without anti-drainback feature
|
Install the correct oil filter.
|
Incorrect oil viscosity
|
Drain the engine oil and replace with the correct viscosity
oil.
|
High stationary hydraulic lash adjuster (SHLA), valve lifter, leak
down rate
|
Replace the SHLAs, valve lifters, as required.
|
Worn crankshaft thrust bearing
|
| • |
Inspect the thrust bearing and crankshaft. |
| • |
Repair or replace as required. |
|
Damaged or faulty oil filter by-pass valve
|
| • |
Inspect the oil filter by-pass valve for proper
operation. |
| • |
Repair or replace as required. |
|
