2. Disconnect the hose.
3. Disconnect the booster rod from the brake pedal by removing the axle (photo).
15.3 Vacuum booster
1. Pedal axle; 2. Amplifier
4. Unscrew 4 nuts and remove the amplifier from the engine compartment.
5. Installation is performed in the reverse order. Before installing the cylinder, check the dimensions A and B (photo), adjust if necessary. If the dimension A has changed by more than 0.5 mm during adjustment, replace the amplifier due to its complete wear.
15.5 Before installing the cylinder, check dimensions A and B (photo), adjust if necessary (on parts of cars, - see Technical data)
6. Bleed the brakes.
7. Check the pedal height and free travel (Ch. 1).
[The source is indicated on the page: nissanbook]