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Master Cylinder Bleeding

NOTE: It is not necessary to bleed entire hydraulic system after replacing master cylinder. Providing that master cylinder has been filled and properly bled prior to its installation.
  1. Clamp master cylinder in a vise using master cylinder mounting flange. See Fig 1 . Attach Bleeding Tubes (Special Tool 8129) to master cylinder. Position tubes so outlets will be below surface of brake fluid when reservoir is filled to proper level.
  2. Fill reservoir with brake fluid conforming to DOT 3 specifications such as Mopar or Equivalent. Using a wooden dowel, depress master cylinder slowly, and then allow pistons to return to released position. Repeat several times until all air bubbles are expelled. Remove bleeding tubes from cylinder, plug outlets and install caps. Remove master cylinder from vise and install on power brake vacuum booster.
Fig 1: Bleeding Master Cylinder
G00057405Courtesy of CHRYSLER CORP.