GM Service Manual Online
For 1990-2009 cars only

Object Number: 1610965  Size: SF

Callout

Component Name

Preliminary Procedures

  1. Remove the front floor console. Refer to Front Floor Console Replacement .
  2. Cycle the park lever several times. Verify the lever releases fully.
  3. Turn the ignition ON. Verify the red BRAKE warning lamp is not illuminated. If the warning lamp is illuminated, verify the following:
  4. 3.1. The lever is fully released and against the stop.
    3.2. There is not excessive slack in the cables.
    3.3. If the warning lamp remained illuminated and there were no visible causes, refer to Symptoms - Hydraulic Brakes .
    3.4. Turn the ignition OFF.
    3.5. Raise and support the vehicle enough to raise the rear tire and wheel assemblies off the ground. Refer to Lifting and Jacking the Vehicle .

1

Park Brake Cable Adjusting Nut

Procedure

  1. Ensure the park brake lever is fully released.
  2. Loosen the cable tension adjusting nut just enough to back the nut away from the lever cam.
  3. Tighten the adjusting nut just until slack in the front cable is removed and the nut rests against the lever cam.
  4. The park brake cable adjusting nut is a nylon lock type. Use ONLY HAND TOOLS whenever tightening or loosening the adjusting nut.

  5. Cycle the park brake lever several times.
  6. With the lever fully released, tighten the adjusting nut just enough to remove slack in the front cable.
  7. Raise the lever 1 detent position, then attempt to rotate the rear wheels.
  8. Both sides should require high effort to rotate.

  9. Raise the lever 1 more detent, to the second position, then attempt to rotate the rear wheels.
  10. One side should be locked, the other side should require high effort to rotate.

  11. Raise the lever 1 more detent, to the third detent position, then attempt to rotate the rear wheels.
  12. Both sides should be locked.

  13. Release the park brake lever, then rotate the rear wheels to inspect for drag.
  14. There should not be any drag from the park brake system.

  15. Inspect the brake caliper park brake levers to ensure that they are resting against the stops.