Photo 15.1 Master cylinder and vacuum servo assembly (models before 1985)
2. Pump out as much liquid as possible from the reservoir using an old (pure) hydrometer or something similar.
3. Remove the cable holder from the master cylinder body (where is he).
4. Disconnect the fluid pipes from the master cylinder by unscrewing the couplings.
5. The two pressure control valves are screwed into the master cylinder and now need to be unscrewed.
6. Unscrew the master cylinder from the brake vacuum servo assembly (booster) (photo).
Photo 15.6 Unscrewing the master cylinder from the servo assembly (models after 1985)
7. If disassembly was performed to replace the master cylinder, then save the fluid reservoir for installation on the new cylinder. To remove the reservoir from ATE type master cylinders, simply pull it off the rubber seals. For GMF type master cylinders, the retaining spring rings must first be pushed back using a screwdriver.
8. Assembly is carried out in reverse order; Use new rubber seals and tighten all bolts to the specified torque.
9. Bleed the hydraulic system as indicated in Section 20.
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