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

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
Engine Noise on Start-Up, but Only Lasting a Few Seconds

Cause Correction
Incorrect oil filter without anti-drainback feature Install the correct oil filter.
Incorrect oil viscosity
  1. Drain the oil.
  2. Install the correct viscosity oil.
High valve lash adjuster leak down rate Replace the lash adjusters as required.
Worn crankshaft thrust bearing
  1. Inspect the thrust bearing and crankshaft.
  2. Repair or replace as required.
Damaged or faulty oil filter by-pass valve
  1. Inspect the oil filter by-pass valve for proper operation.
  2. Repair or replace as required.
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