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Hydraulic Brake System: Disassembly/Inspection/Assembly: Assembly

NOTE: As the master cylinder parts are assembled, they must be lubricated with a clean brake fluid.
  1. Install new seals on the primary and secondary pistons.
  2. Lubricate the secondary piston with a brake fluid and install.
  3. Install the secondary piston stop screw and O-ring as described below.

    Stop screw and O-ring 

    1. Push the secondary piston assembly in fully.
    2. Install and tighten a new O-ring and stop screw.
    3. Push and release the piston to verify that it is held by the stop screw.
      Fig 1: Installing And Tightening A New O-Ring And Stop Screw
      G02705808
  4. Install the primary piston.
  5. Install the primary piston snap ring. Push the piston into the master cylinder bore to ease snap ring installation.
  6. Install new reservoir seals.
  7. Install the reservoir.
  8. Install the master cylinder in the vehicle and bleed the system.
    Fig 2: Bleeding Brake Lines
    G02705809
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