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Power Steering Pump: Disassembly

  1. Clean pump exterior and drain fluid. Clamp pump in padded vise. Remove pulley and Woodruff key. Unscrew suction line connector attaching bolts and remove connector. Remove flow control plug, valve and spring from housing.
    Fig 1: Exploded View of Mazda Power Steering Pump
    G09357763Courtesy of MAZDA MOTORS CORP.
  2. Remove end cover attaching bolts and end cover. Take off snap ring then remove collar, vanes and rotor from shaft. Remove cam ring, and tapping drive end of shaft with plastic hammer, drive out pressure plate and shaft.
  3. Remove dowel pins from housing. Pry shaft seal from housing (if defective)
    NOTE: The seal will be destroyed if removed.
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