Brake Pedal Assy: Service and Repair

Brake Pedal Assembly Replacement

Removal Procedure

1. Remove the steering column opening filler. Refer to Steering Column Opening Filler Replacement (Service and Repair).
2. Release the electric power steering wiring harness from the brake pedal bracket.
3. Release the accelerator pedal position sensor jumper harness from the brake pedal bracket.




4. Disconnect the electrical connector from the accelerator pedal position sensor.




5. Remove the brake pedal pushrod nut (1).




6. Remove the brake pedal pushrod washer (1).
7. Remove the brake pedal pushrod from the brake pedal pivot pin.




8. Remove the vacuum brake booster nuts (1).
9. Remove the brake pedal bracket-to-steering column bracket bolt.
10. Lower the brake pedal assembly and disconnect the brake pedal position sensor electrical connector.
11. Remove the brake pedal assembly, with the accelerator pedal position sensor from the vehicle.




12. Remove the accelerator pedal position sensor mounting bolts and remove the sensor assembly.

Installation Procedure




1. Install the accelerator pedal position sensor to the brake pedal bracket.

Caution: Refer to Fastener Caution (Fastener Caution).

2. Install the accelerator pedal position sensor mounting bolts.

Tighten the bolts to 9 Nm (80 lb in).




3. Install the brake pedal assembly, with the accelerator pedal position sensor to the vehicle.
4. Connect the brake pedal position sensor electrical connector.
5. Install the vacuum brake booster nuts (1).

Tighten the nuts to 17 Nm (14 lb ft).

6. Install the brake pedal bracket-to-steering column bracket bolt.

Tighten the bolt to 25 Nm (18 lb ft).




7. Apply a thin coat of high temperature grease GM P/N 12345994 (Canadian P/N 10953501) to the pushrod pin on the brake pedal.
8. Install the brake pedal pushrod to the brake pedal pivot pin.
9. Install the brake pedal pushrod washer (1).




10. Install the brake pedal pushrod nut (1).

Tighten the nut to 10 Nm (89 lb in).

11. Calibrate the brake pedal position sensor. Refer to Brake Pedal Position Sensor Calibration (Programming and Relearning).




12. Connect the electrical connector to the accelerator pedal position sensor.
13. Secure the accelerator pedal position sensor jumper harness to the brake pedal bracket.
14. Secure the electric power steering wiring harness to the brake pedal bracket.
15. Install the steering column opening filler. Refer to Steering Column Opening Filler Replacement (Service and Repair).