Removing
1. We prepare the car for work (see "Preparing the car for maintenance and repair").
2. We turn off two nuts of fastening of the main brake cylinder to the case of the vacuum booster (see above, "Master brake cylinder - removal and installation").
3. Carefully, without bending the tube strongly, we move the cylinder forward and remove it from the vacuum booster studs.
4. Remove the check valve fitting from the opening of the vacuum booster.
5. Remove the spring retainer from the pin of the vacuum booster rod and remove the pin.
6. Turn off the two nuts of the left...
... and two nuts of the right fastening of the vacuum booster bracket to the car body.
7. Remove the amplifier assembly with the bracket.
8. Remove the rubber seal from the vacuum booster rod.
9. Key by 17 mm unscrew the two nuts securing the bracket to the vacuum booster and remove the bracket.
Installation
1. Install the amplifier in reverse order.
2. Install the main brake cylinder in place.
3. Check the operation of the vacuum booster (see "Vacuum brake booster - check").