GM Service Manual Online
For 1990-2009 cars only

Diagnostic Instructions

    â€¢ Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
    â€¢ Review Strategy Based Diagnosis for an overview of the diagnostic approach.
    â€¢  Diagnostic Procedure Instructions provides an overview of each diagnostic category.

Circuit/System Testing

  1. Remove the flywheel inspection cover.
  2. Inspect the flywheel for the following:
  3. • Loose flywheel bolts
    • Chipped gear teeth
    • Missing gear teeth
    • Bent flywheel
    ⇒If not within specifications, secure the flywheel bolts or replace the flywheel.
    ⇒If all inspections were within specification, replace the starter motor.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

    â€¢  Fastener Tightening Specifications
    â€¢  Engine Flywheel Replacement for the 2.4L engine
    â€¢  Engine Flywheel Replacement for the 3.5L engine
    â€¢  Engine Flywheel Replacement for the 3.6L engine
    â€¢  Starter Motor Replacement