Electromechanical Brake Booster - Brake Booster and Master Cylinder Assembly - Remove And Replace: Remove
- Open the LH front door, and lower all windows.
- Remove the cowl screen panel. See UNDERHOOD TRIM - ASSEMBLY, COWL SCREEN, LHD - REMOVE AND REPLACE .
- Disconnect the LV battery power. See LV BATTERY - LI-ION - DISCONNECT AND CONNECT .
- Remove the front body controller module. See BODY CONTROLLERS - ASSEMBLY, FRONT CONTROLLER GEN 3 - REMOVE AND REPLACE .
- Remove the wiper module. See ELECTRICAL - WIPERS AND WASHER - WINDSHIELD WIPERS AND MOTOR - WIPER MODULE - REMOVE AND REPLACE .
- Disconnect the connector under the brake fluid reservoir.
- Disconnect the harness connectors (x2) from the brake booster assembly.
- Remove the LH bolt that secures the front harness bracket.
Tip: Use of the following tool(s) is recommended:
- 2 in extension
- Ratchet/torque wrench
- 10 mm socket
- Place absorbent material underneath the brake booster and the reservoir area, clean the area around the brake fluid reservoir, and then remove the brake reservoir cap.
- Remove the fluid from the brake fluid reservoir by using a brake fluid syringe.
- Remove the nuts (x2) that attach the forward and the rear brake line to the brake booster.
Tip: Use of the following tool(s) is recommended:
- 12 mm 12 pt combination wrench
- 1/4 in to 3/8 in adapter
- 12 mm socket
- Ratchet/torque wrench
- Remove the clevis pin. See BRAKES - BRAKE PEDAL - BRAKE PEDAL - BRAKE PEDAL CLEVIS PIN - REMOVE AND REPLACE .
- Remove and discard the nuts (x4) that attach the booster to the bulkhead.
Tip: Use of the following tool(s) is recommended:
- Ratchet/torque wrench
- 13 mm socket
- 6 in extension
- Remove the brake booster assembly from the vehicle.WARNING: The video(s) included in this procedure are meant as an overview for supplemental purposes only. Follow all of the steps listed in the procedure to avoid damage to components and/or personal injury.multimedia:A supplement to the article is available.