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Master Cylinder - Except Grand WAGONEER: Disassembly

  1. Remove reservoir cover and diaphragm. Drain remaining brake fluid. Push in on primary piston and remove snap ring.
  2. Carefully apply compressed air at forward brake line hole while plugging rear hole. Use caution as piston will be forced out open end of master cylinder with considerable force.
  3. Remove spring retainer and seals from secondary piston. Discard seals. Clamp mounting ear of master cylinder in vise and carefully pry off reservoir.
  4. DO NOT  attempt to remove take-up valve from master cylinder as it is not a serviceable component. Remove reservoir grommets and discard.