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 
 in Cellular Communication.
 
- 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 
 in Lighting Systems.
 
- Remove
the cruise control release switch, if equipped, from the pedal bracket. Refer to 
Cruise Control Release Switch Replacement 
 in Cruise Control.
 
- Remove
the brake booster mounting nuts.
 
- Position the brake booster forward to clear the studs from the front of
the dash.
 
- 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 Position Sensor Replacement 
 in Engine Controls - 3.4L.
 
- 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 Position Sensor Replacement 
 in Engine Controls - 3.4L.
 
- Install
the brake pedal assembly into the vehicle, while guiding the brake pedal bracket pilot
bushings into the foam insulator panel.
 
- Reposition the booster studs thru dash 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 
in Cruise Control.
 
- Install the stop lamp switch and retainer to the pedal bracket. Refer to 
Stop Lamp Switch Replacement 
 in Lighting Systems.
 
- Adjust the stop lamp switch. Refer to 
Stop Lamp Switch Adjustment 
 in Lighting Systems.
 
- Adjust the cruise release switch, if equipped. Refer to 
Cruise Release Switch Adjustment 
 in Cruise Control.
 
- Reposition the OnStar® module to the
mounting bracket, if equipped. Refer to 
Communication Interface Module Replacement 
 in Cellular Communication.
 
- Connect the accelerator pedal assembly electrical connector.