Brake Pedal Assy: Service and Repair

Brake Pedal Assembly Replacement

Removal Procedure

1. Release the electric power steering (EPS) wiring harness from the brake pedal bracket.
2. Release the accelerator pedal position (APP) sensor jumper harness from the brake pedal bracket.




3. Disconnect the electrical connector from the APP sensor.




4. Loosen the brake booster mounting nuts.
5. Remove the retaining clip (4) and washer (3) from the brake pedal.
6. Release the brake booster pushrod (2) from the brake pedal.
7. Remove the brake booster mounting nuts.
8. Remove the brake pedal bracket-to-steering column bracket bolt (1).




9. Lower the brake pedal assembly to improve access for switch removal.
10. Remove the stop lamp switch from the pedal bracket.
11. Remove the cruise control release switch, if equipped, from the pedal bracket.
12. Remove the brake pedal assembly, with the accelerator pedal assembly from the vehicle.




13. Remove the accelerator pedal mounting bolts and remove the pedal assembly.

Installation Procedure




1. Position the accelerator pedal assembly to the brake pedal bracket.

Notice: Refer to Fastener Notice.

2. Install the accelerator pedal and sensor assembly mounting bolts.

Tighten the bolts to 9 N.m (80 lb in).




3. Install the brake pedal assembly, with the accelerator pedal assembly to the vehicle.
4. Install the cruise control release switch, if equipped, to the pedal bracket.
5. Install the stop lamp switch to the pedal bracket.
6. Move the brake pedal assembly to the installed position.




7. Install the brake pedal bracket-to-steering column bracket bolt (1).

Tighten the bolt to 25 N.m (18 lb ft).

8. Loosely install the brake booster mounting nuts.
9. Apply a thin coat of high temperature grease GM P/N 12345994 (Canadian P/N 10953501) to the pushrod pin on the brake pedal.
10. Connect the brake booster pushrod (2) to the brake pedal.
11. Install the washer (3) and retaining clip (4) to the brake pedal.
12. Tighten the vacuum brake booster mounting nuts.

Tighten the nuts to 17 N.m (14 lb ft).

13. Adjust the stop lamp switch. Refer to Stop Lamp Switch Adjustment.
14. Adjust the cruise control release switch, if equipped. Refer to Cruise Release Switch Adjustment.




15. Connect the electrical connector to the APP sensor.
16. Secure the APP sensor jumper harness to the brake pedal bracket.
17. Secure the EPS wiring harness to the pedal bracket.