Engine Noise on Start-Up, but Only Lasting a Few Seconds. Generic Unit Repair 2001

For 1990-2009 cars only

Makes 🢒 Generic 🢒 2001 🢒 Unit Repair 🢒 Engine 🢒 Engine Mechanical - 5.7L (P32/42) 🢒 Engine Noise on Start-Up, but Only Lasting a Few Seconds

Cause

Correction

Incorrect engine oil (viscosity)

Install the correct engine oil and oil filter.

Incorrect oil filter (without anti-drainback feature)

Install the correct engine oil and oil filter.

Worn, damaged or improperly installed oil filter by-pass valve

•	Inspect the oil filter by-pass valve.

•	Repair or replace damaged components as required.

High valve lifter leak down rate

•	Inspect the valve lifters.

•	Repair or replace damaged components as required.

Worn, damaged or improperly installed crankshaft thrust bearing

•	Inspect the crankshaft.

•	Inspect the crankshaft thrust bearing.

•	Repair or replace damaged components as required.