1. The vacuum brake booster does not require special maintenance, except for periodic inspection of the vacuum hoses and housing.
2. Dismantling of the unit, its repair is carried out in a car service. However, in case of failure, the vacuum booster is recommended to be replaced.
3. In the engine compartment, unscrew the nuts securing the master cylinder to the brake booster, and carefully move the master cylinder, together with the valve bracket and control module, away from the vacuum booster by a distance sufficient to loosen the nuts securing the booster. Do not allow excessive deformation of the brake lines.
4. Disconnect the vacuum hose from the vacuum booster.
5. Working in salon, disconnect a pusher from the top part of a pedal of a brake.
6. Turn away 4 nuts of fastening of the vacuum amplifier of brakes to a partition of a motor compartment (see photo).
7. Carefully remove the vacuum brake booster from the bulkhead of the engine compartment.
8. Install the vacuum booster in place and tighten the fastening nuts. Attach the rod to the brake pedal.
9. Establish the main cylinder, attach a vacuum hose.
10. Before leaving, check the operation of the brakes.