Brake Booster (70.50.17): Removal

All vehicles 

1. Remove the brake master cylinder.

   For additional information, refer to BRAKE MASTER CYLINDER - 3.0L/3.5L/4.2L (70.30.08)

Vehicles built up to VIN:G45703 

2. Disconnect the brake booster pedal travel sensor and brake booster solenoid electrical connectors.
   Fig 1: Locating Brake Booster Pedal Travel Sensor And Brake Booster Solenoid Electrical Connectors

   Courtesy of JAGUAR CARS, INC.

   Vehicles built from VIN:G45704 

   NOTE: Vehicles with 3.0L and 3.5L engines.
3. Disconnect the brake booster vacuum sensor electrical connector.
   Fig 2: Locating Brake Booster Vacuum Sensor Electrical Connector

   Courtesy of JAGUAR CARS, INC.

All vehicles 

4. Remove the brake booster retaining nut.
   Fig 3: Locating Brake Booster Retaining Nut

   Courtesy of JAGUAR CARS, INC.
NOTE: The non-return valve and vacuum pipe assembly should be removed with the brake booster.
NOTE: Remove and discard the brake booster/pedal box gasket.
Fig 4: Locating Brake Booster
Courtesy of JAGUAR CARS, INC.
5. Remove the brake booster.