Incorrect oil filter

Install the correct oil filter.

Incorrect viscosity oil

Drain the engine oil and replace with the correct viscosity oil.

Worn crankshaft thrust bearings

1. Inspect the thrust bearings and crankshaft.
2. Repair or replace, as required.

Damaged or faulty oil filter bypass valve

1. Inspect the oil filter bypass valve for proper operation.
2. Repair or replace, as required.