| 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. |
Engine Noise on Start-Up, but Only Lasting a Few Seconds