Removal Procedure
- Disconnect and remove the battery. Refer to
Battery Replacement.
- Remove and position aside the underhood electrical center. Refer to
Underhood Electrical Center or Junction Block Replacement .
- Remove the battery tray. Refer to
Battery Tray Replacement.
- Disconnect the coolant surge hose from the surge tank and position aside.
- Disconnect the master cylinder fluid level sensor electrical connector.
- Remove the master cylinder mounting nuts. Do NOT disconnect the brake pipes from the master cylinder.
- Without disconnecting the brake pipes, remove the bolts from the brake delay valve, if equipped. Refer to
Brake Delay Valve Replacement.
- Carefully pull the master cylinder away from the vacuum booster and position aside.
- Disconnect the power brake booster vacuum sensor electrical connector, if equipped.
- Disconnect the vacuum booster check valve and hose assembly from the booster. Refer to
Vacuum Brake Booster Check Valve and/or Hose Replacement.
- Remove the transaxle control module (TCM) and position over engine.
- Remove the brake modulator assembly, if equipped. Refer to
Brake Pressure Modulator Valve Assembly Replacement .
- Remove the brake modulator valve bracket, if equipped. Refer to
Brake Pressure Modulator Valve Bracket Replacement .
- Remove the left side instrument panel insulator panel. Refer to
Instrument Panel Insulator Panel Replacement - Left Side.
- Remove the brake booster push rod-to-brake pedal retaining clip.
- Remove the foam washer from the brake pedal assembly.
- Remove the brake booster mounting nuts.
Important: Ensure that the foam insulator on the mounting surface of the brake booster withdraws with the booster.
- Disengage the brake booster from the front of dash and the brake pedal bracket. Maneuver the booster toward the center of the vehicle in order to ease removal.
Installation Procedure
- Install the foam insulator the vacuum brake booster.
- Install the brake booster to the vehicle.
- Install, but do not tighten, the booster mounting nuts.
- Lightly lubricate the booster push rod pivot pin on the brake pedal with silicone lubricant.
- Install the booster push rod to the pivot pin on the brake pedal.
- Install the foam washer to the pivot pin.
- Install the brake booster push rod retaining clip.
- Install the left side instrument panel insulator panel. Refer to
Instrument Panel Insulator Panel Replacement - Left Side.
Notice: Refer to Fastener Notice in the Preface section.
- Fully seat the brake booster to the front of dash and the brake pedal assembly.
- Tighten the vacuum brake booster mounting nuts.
Tighten
Tighten the nuts to 25 N·m (18 lb ft).
- Install the brake modulator valve bracket, if equipped. Refer to
Brake Pressure Modulator Valve Bracket Replacement .
- Install the brake modulator assembly, if equipped. Refer to
Brake Pressure Modulator Valve Assembly Replacement.
- Install the vacuum booster check valve and hose assembly to the booster.
- Connect the power brake booster vacuum sensor electrical connector, if equipped.
- Reposition and install the master cylinder to the booster. Refer to
Master Cylinder Replacement.
- Reposition and install the brake delay valve, if equipped. Refer to
Brake Delay Valve Replacement.
- Install the TCM to the bracket.
- Install the coolant surge hose and clamp to the surge tank.
- Install the battery tray. Refer to
Battery Tray Replacement.
- Install the underhood electrical center. Refer to
Underhood Electrical Center or Junction Block Replacement.
- Install and connect the battery. Refer to
Battery Replacement.
- If necessary, bleed the brake system. Refer to
Hydraulic Brake System Bleeding.