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Home >> Buick >> 2008 >> Allure CXL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Mechanical - 3.6L (1 Of 5)) >> Diagnostic Information and Procedures >> Engine Noise on Start-Up, but Only Lasting a Few Seconds

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

WARNING: This page is about a different variant/trim than selected.
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.
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