Loosen nuts -3- and -4-. Carefully remove the brake booster from the vehicle.
Installation
Installation in reverse order.
Note: Additional work must be carried out when disconnecting and connecting the battery cable to earth. The seal between the brake booster and the bulkhead of the engine compartment is only glued at the factory. After removing the brake booster, it does not need to be replaced.
Remove air from the brake system.