Brake Pedal Assembly Replacement

Brake Pedal Assembly Replacement

Removal Procedure

1. Remove the steering column from the vehicle. Refer to Steering Column Replacement (HP2) Steering Column ReplacementSteering Column Replacement (Without HP2) Steering Column Replacement.

2. Disconnect the electrical connectors from the following components:

* Adjustable pedal motor assembly

* Accelerator pedal position sensor

* Memory sensor connector, if equipped

* Brake pedal position sensor

3. Remove the left side floor air outlet duct. Refer to Floor Air Outlet Duct Replacement - Left Side Floor Air Outlet Duct Replacement - Left Side.




4. Remove the brake pedal position sensor bolt (1).




5. Remove the brake pedal position sensor (1).




6. Remove the brake booster pushrod retainer bolt (1).




7. Remove the brake booster pushrod retainer (1).

8. Disconnect the brake booster pushrod from the brake pedal pivot.




9. Remove the adjustable pedal bracket nuts (1).




10. Remove the adjustable pedal bracket bolt (1).

11. Position the brake booster forward until the studs are past the adjustable pedal bracket holes and support with heavy mechanics wire or equivalent.

12. Disconnect and position aside any wiring harnesses as necessary.

13. Remove the adjustable pedal assembly from the vehicle.

14. Remove the accelerator pedal position sensor assembly. Refer to Accelerator Pedal Position Sensor Replacement Service and Repair.

Installation Procedure

1. Install the accelerator pedal position sensor assembly. Refer to Accelerator Pedal Position Sensor Replacement Service and Repair.

2. With the aid of an assistant, position the brake booster to the vehicle.




3. Install the adjustable pedal assembly to the vehicle.

Note: Do not tighten the adjustable pedal bracket bolt until the adjustable pedal bracket nuts are installed.

4. Hand install the adjustable pedal bracket bolt (1).





Caution: Refer to Fastener Caution Fastener Caution.

5. Install the adjustable pedal bracket nuts (1) and tighten to 36 Nm (27 lb ft).

6. Tighten the adjustable pedal bracket bolt to 36 Nm (27 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. Connect the brake booster pushrod to the brake pedal pivot.




9. Install the brake booster pushrod retainer (1).

10. Rotate the retainer 360 degrees to ensure it is seated properly before tightening the retainer bolt.




11. Install the brake booster pushrod retainer bolt (1) and tighten to 10 Nm (89 lb in).

12. Install the left side floor air outlet duct. Refer to Floor Air Outlet Duct Replacement - Left Side Floor Air Outlet Duct Replacement - Left Side.




13. Install the brake pedal position sensor (1).




14. Install the brake pedal position sensor bolt (1).

15. Connect the electrical connectors to the following components:

* Adjustable pedal motor assembly

* Accelerator pedal position sensor

* Memory sensor connector, if equipped

* Brake pedal position sensor

16. Reposition and connect any wiring harnesses as necessary.

17. Install the steering column to the vehicle. Refer to Steering Column Replacement (HP2) Steering Column ReplacementSteering Column Replacement (Without HP2) Steering Column Replacement.

18. Verify the correct operation of the adjustable pedals.

19. Calibrate the brake pedal position sensor. Refer to Brake Pedal Position Sensor Calibration .