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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 437 (Engine Mechanical - 4.8L, 5.3L, & 6.0L (On-Vehicle)) >> 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 does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. 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 lifter leak down rate Replace the lifters as required.
Worn crankshaft thrust bearing
  1. Check the crankshaft end play.
  2. Inspect the thrust bearing and crankshaft.
  3. 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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