Pneumatic booster assembly (Range Rover 3)

Dismantling

1. Remove the cover that covers the units in the engine compartment.

2. Remove the brake master cylinder.

BRAKE SYSTEM, REPAIR WORK, Master brake cylinder - tandem.

3. Disconnect the vacuum hose from the vacuum booster.

4. Loosen the nut securing the security alarm siren to the bracket and move the siren to the side.

5. Remove the screw securing the pre-pressure pump bracket to the vehicle body.

6. Release the pump from the rubber support.

7. Disconnect the connector with the electrical cable.

8. Remove the pre-pressure pump.

9. Remove the protective shield.

CAR INTERIOR PARTS, REPAIR WORK, Lower control panel casing.

10. Remove the cotter pin and remove the pin connecting the vacuum booster pushrod to the brake pedal.

11. Unscrew and discard the two vacuum booster mounting nuts.

12. Remove the vacuum booster.

Assembly

1. Install a new booster gasket and reinstall the booster.

CAUTION: For right-hand drive models: When installing the vacuum booster, be careful not to trap the air suspension hose behind it.

2. Screw on the new vacuum booster mounting nuts and tighten them to a torque of 26 N·m.

CAUTION: The nuts connecting the vacuum booster to the pedal bracket should be re-tightened after 20 minutes.

3. Clean the pin and apply some grease to it.

FILLING CAPACITIES, USED OPERATING LIQUIDS, OILS AND SEALANTS, Lubrication system.

4. Connect the pusher to the pedal, insert the pin and install the cotter pin into its hole.

5. Replace the protective shield.

CAR INTERIOR PARTS, REPAIR WORK, Lower control panel casing.

6. Connect the pre-pressure pump to the rubber support.

7. Connect the cable connector.

8. Install the pre-pressure pump mounting screw and tighten the screw to 8 Nm.

9. Install the security alarm siren on the bracket, screw on the mounting nut and tighten it to a torque of 8 Nm.

10. Connect the vacuum hose.

11. Install the brake master cylinder.