Removal Procedure
- Disconnect the accelerator pedal assembly electrical connector.
- Remove the mounting bolts and reposition the OnStar® module aside, if equipped. Refer to
Communication Interface Module Replacement
.
- Remove the retaining clip and washer from the brake pedal.
- Release the brake booster pushrod from the brake pedal.
- Remove the stop lamp switch from the pedal bracket. Refer to
Stop Lamp Switch Replacement
.
- Remove the cruise control release switch, if equipped, from the pedal bracket. Refer to
Cruise Control Release Switch Replacement
.
- Remove the brake booster mounting nuts.
- Remove the brake pedal bracket-to-steering column bracket bolt.
- Loosen, but do not remove, the steering column bracket to cowl nut.
- While simultaneously disengaging the brake pedal bracket pilot bushings from the foam insulation panel, pull the brake pedal assembly back and toward the center of the vehicle.
- Remove the brake pedal assembly from the vehicle.
- Remove the accelerator pedal assembly from the brake pedal bracket. Refer to
Accelerator Pedal with Position Sensor Assembly Replacement
for the 2.2L (L61) engine or
Accelerator Pedal Position Sensor Replacement
for the 3.5L (L66) engine.
- Remove the OnStar® mounting bracket bolts and J-nuts from the brake pedal assembly, if equipped.
Installation Procedure
Notice: Refer to Fastener Notice in the Preface section.
- Install the OnStar® J-nuts and mounting bracket bolts to the brake pedal assembly, if equipped.
Tighten
Tighten the bolts to 10 N·m (89 lb in).
- Install the accelerator pedal assembly to the brake pedal bracket. Refer to
Accelerator Pedal with Position Sensor Assembly Replacement
for the 2.2L (L61) engine or
Accelerator Pedal Position Sensor Replacement
for the 3.5L (L66) engine.
- Install the brake pedal assembly into the vehicle, while guiding the brake pedal bracket pilot bushings into the foam insulator panel.
- Install the brake pedal bracket-to-steering column bracket bolt.
Tighten
Tighten the bolt to 25 N·m (18 lb ft).
- Loosely install the brake booster mounting nuts.
- Apply a thin coating of lithium grease to the pushrod pin on the brake pedal.
- Connect the brake booster pushrod to the brake pedal.
- Install the washer and retaining clip to the brake pedal.
- Tighten the vacuum brake booster mounting nuts.
Tighten
Tighten the nuts to 25 N·m (18 lb ft).
- Install the steering column bracket to cowl nut.
Tighten
Tighten the nuts to 25 N·m (18 lb ft).
- Install the cruise control release switch and retainer, if equipped, to the pedal bracket. Refer to
Cruise Control Release Switch Replacement
.
- Install the stop lamp switch and retainer to the pedal bracket. Refer to
Stop Lamp Switch Replacement
.
- Adjust the stop lamp switch. Refer to
Stop Lamp Switch Adjustment
.
- Adjust the cruise release switch, if equipped. Refer to
Cruise Release Switch Adjustment
.
- Reposition the OnStar® module to the mounting bracket, if equipped. Refer to
Communication Interface Module Replacement
.
- Connect the accelerator pedal assembly electrical connector.