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Seal Installation

  1. Rotors are identified as to front and rear by an "F" or an "R" stamped in internal gear side of rotor. Place rear rotor on a cloth with gear side up.
    Fig 1: Front Rotor Identification Mark
    G09325895Courtesy of MAZDA MOTORS CORP.
    Fig 2: Rear Rotor Identification Mark
    G09325896Courtesy of MAZDA MOTORS CORP.
  2. Noting identification marks made during disassembly, install apex seals in grooves without springs. Lubricate corner grooves and install springs and corner seals. Make sure corner seals rotate freely when turned by hand.
    NOTE: Corner seals must protrude 0.050 - 0.060" from rotor surface.
  3. Install side seal springs with ends facing upward. Lubricate grooves with oil and install side seals. Install side seals correctly, depending on whether seals are installed in front or rear side of rotor.
    NOTE: Side seals must protrude 0.040" from rotor surface.
  4. Apply motor oil to all seals and internal gear. Make sure all seals will move in grooves.
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