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Master Cylinder: Reassembly

  1. Install check valve and spring in drum brake outlet (if removed). Using a spare tubing nut, press tube seat insert into place (if removed). Turn nut until tube seat insert bottoms. Remove nut and inspect outlet for burrs or shavings.
  2. Coat bore of cylinder and piston assemblies with clean brake fluid. Install secondary and primary piston assemblies into bore. Press primary piston inward and install snap ring or stop bolt. Install push rod (if equipped).
  3. On 2-piece master cylinders, lubricate grommets with clean brake fluid and install in master cylinder. Ensure grommets are properly seated. Place reservoir on hard surface and install plastic reservoir with a rocking motion.
  4. Fill reservoir with clean brake fluid and bleed master cylinder. See BENCH BLEEDING MASTER CYLINDER under BRAKE SYSTEM BLEEDING in this article.
Fig 1: Exploded View of Composite Master Cylinder
G26692Courtesy of CHRYSLER MOTORS.
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