XJ (X350) V8-4.2L (2005)
Vacuum Brake Booster: Service and Repair
Brake Booster (70.50.17)
Removal
All vehicles
1. Remove the brake master cylinder.
Vehicles built up to VIN:G45703
2. Disconnect the brake booster pedal travel sensor and brake booster solenoid electrical connectors.
Vehicles built from VIN:G45704
NOTE: Vehicles with 3.0L and 3.5L engines.
3. Disconnect the brake booster vacuum sensor electrical connector.
All vehicles
4. Remove the brake booster retaining nut.
5. 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.
Remove the brake booster.