GM Service Manual Online
For 1990-2009 cars only

Caution: Refer to Brake Dust Caution in the Preface section.


    Object Number: 929729  Size: SH
  1. Apply and fully release the park brake several times. Verify that the park brake lever releases completely.
  2. Turn ON the ignition. Verify the red BRAKE warning lamp is not illuminated.
  3. If the red BRAKE warning lamp is illuminated, verify the following:
  4. • The park brake lever is in the fully released position and against the stop.
    • There is no slack in the park brake cable.
  5. Turn OFF the ignition.
  6. Disable the SIR system. Refer to SIR Disabling and Enabling in SIR.
  7. Remove the front floor console. Refer to Front Floor Console Replacement in Instrument Panel, Gages, and Console.
  8. With the park brake lever in the released position, using ONLY hand tools, loosen the adjusting nut completely to the end of the front cable threaded rod.
  9. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  10. Remove the rear tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  11. Adjust the rear drum brakes. Refer to Drum Brake Adjustment in Drum Brakes.
  12. Ensure there is no brake shoe drag after adjustment by rotating the brake drums. If drag exists, re-center the brake shoes and perform the brake shoe adjustment again.
  13. Install 2 wheel nuts to the wheel studs and firmly hand tighten in order to retain the brake drums.
  14. Lower the vehicle to permit access to the park brake lever.
  15. Raise the park brake lever 1 detent position.
  16. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 891460  Size: SH
  17. Using ONLY hand tools, tighten the park brake cable adjusting nut (1) until light to moderate drag is exhibited while rotating the rear brake drums.
  18. Attempt to rotate the rear brake drums. There should be no rotation forward or rearward.
  19. Fully release the park brake lever.
  20. Verify the park brake is released by rotating the rear brake drums. The drums should rotate freely and exhibit no brake shoe drag.
  21. If the drums do not rotate freely, repeat the park brake cable adjustment procedure.
  22. Raise the park brake lever 3 detent positions and attempt to rotate the rear brake drums:
  23. • One of the brake drums should not rotate forward or rearward.
    • The other brake drum should not rotate forward or rearward, or should require substantial effort to rotate.
  24. Raise the vehicle.
  25. Remove the wheel nuts retaining the brake drums.
  26. Install the rear tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  27. Lower the vehicle.
  28. Install the front floor console. Refer to Front Floor Console Replacement in Instrument Panel, Gages, and Console.
  29. Release the park brake lever.
  30. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.