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Rear A/C Unit Removal/Installation: Notes

WARNING: This page is about a different car, the 2017 Mazda CX-9. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  2. Discharge the refrigerant. (See REFRIGERANT RECOVERY .) (See REFRIGERANT CHARGING .)
  3. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT [SKYACTIV-G 2.5T] .)
  4. Remove the following parts:
    1. Selector lever knob (See AUTOMATIC TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION .)
    2. Shift panel (See SHIFT PANEL REMOVAL/INSTALLATION .)
    3. Console side panel (See CONSOLE SIDE PANEL REMOVAL/INSTALLATION .)
    4. Front console (See FRONT CONSOLE REMOVAL/INSTALLATION .)
    5. Side wall (See SIDE WALL REMOVAL/INSTALLATION .)
    6. Rear console (See REAR CONSOLE REMOVAL/INSTALLATION .)
    7. Selector lever component (See AUTOMATIC TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION .)
    8. Selector lever bracket (See AUTOMATIC TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION .)
    9. Keyless antenna (center) (See KEYLESS ANTENNA REMOVAL/INSTALLATION .)
    10. Floor under cover No. 2 (See FLOOR UNDER COVER REMOVAL/INSTALLATION .)
    11. Floor under cover No. 1 (See FLOOR UNDER COVER REMOVAL/INSTALLATION .)
    12. Tunnel member
      Fig 1: Tunnel Member Bolts With Torque Specifications
      G11433521Courtesy of MAZDA MOTORS CORP.
    13. Strut bar
    14. Insulator (middle) (See EXHAUST SYSTEM REMOVAL/INSTALLATION [SKYACTIV-G 2.5T] .)
  5. Remove the bolt.
    Fig 2: Rear Cooler Pipe Bolt With Torque Specification
    G11433559Courtesy of MAZDA MOTORS CORP.
  6. Disconnect the rear cooler pipe. Do not allow compressor oil to spill.
    CAUTION:
    • If moisture or foreign matter enters the refrigeration cycle, cooling ability will be lowered and abnormal noise or other malfunctions could occur. Always plug open fittings immediately after removing any refrigeration cycle parts.
  7. Disconnect the rear heater hose No. 1.
    Fig 3: Rear Heater Hose Clips
    G11433560Courtesy of MAZDA MOTORS CORP.
  8. Disconnect the rear heater hose No. 2.
  9. Disconnect the rear blower motor connector.
    Fig 4: Rear Blower Motor And Rear Air Mix Actuator Connectors
    G11433561Courtesy of MAZDA MOTORS CORP.
  10. Disconnect the power MOSFET connector.
  11. Disconnect the rear airflow mode actuator connector.
  12. Disconnect the rear air mix actuator connector.
  13. Detach the clips.
    Fig 5: Rear A/C Unit Clips
    G11433562Courtesy of MAZDA MOTORS CORP.
  14. Remove the nuts.
    Fig 6: Rear A/C Unit Nuts With Torque Specifications
    G11433563Courtesy of MAZDA MOTORS CORP.
  15. Move the rear A/C unit in the order of arrows (1) and (2) shown in the figure, and remove the rear A/C unit. Do not allow compressor oil to spill.
    Fig 7: Removing Rear A/C Unit
    G11433564Courtesy of MAZDA MOTORS CORP.
    CAUTION:
    • Do not hold the rear blower motor part and mode link part as shown in the figure when removing/installing the rear A/C unit. Otherwise, the rear blower motor and mode link could be damaged.
    Fig 8: Rear A/C Unit, Rear Blower Motor Part And Mode Link Part
    G11433565Courtesy of MAZDA MOTORS CORP.
  16. Install in the reverse order of removal. (See Rear A/C Unit Installation Note (1) .) (See Rear A/C Unit Installation Note (2) .)
  17. Inspect for engine coolant leakage. (See ENGINE COOLANT LEAKAGE INSPECTION [SKYACTIV-G 2.5T] .)
  18. Perform the refrigerant system performance test. (See REFRIGERANT SYSTEM PERFORMANCE TEST .)
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