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 SHLA, valve lifter, leak down rate | Replace the SHLAs, valve lifters, as required. | ||||
Worn crankshaft thrust bearing |
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Damaged or faulty oil filter by-pass valve |
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