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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 989 (Battery, Charging System And Starting System) >> Diagnostic Information and Procedures >> Starter Motor Noise Diagnosis >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the flywheel inspection cover.
  2. Inspect the flywheel for the following:
    • Loose flywheel bolts
    • Chipped gear teeth
    • Missing gear teeth
    • Bent flywheel
    • Debris in the bell housing
    • If not within specifications, remove the debris, tighten the flywheel bolts, or repair or replace the flywheel.
  3. If all inspections were within specification, replace the starter motor.
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