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Front A/C Unit Removal/Installation: Notes

  1. Disconnect the negative battery terminal. (Refer to NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  2. Discharge the refrigerant. (Refer to REFRIGERANT RECOVERY .) (Refer to REFRIGERANT CHARGING .)
  3. Drain the engine coolant. (Refer to ENGINE COOLANT REPLACEMENT .)
  4. Remove the following parts:
    1. Plug hole plate (Refer to PLUG HOLE PLATE REMOVAL/INSTALLATION .)
    2. Windshield wiper arm and blade (Refer to WINDSHIELD WIPER ARM AND BLADE REMOVAL/INSTALLATION .)
    3. Cowl grille (Refer to COWL GRILLE REMOVAL/INSTALLATION .)
    4. Front scuff plate (Refer to FRONT SCUFF PLATE REMOVAL/INSTALLATION .)
    5. Front side trim (Refer to FRONT SIDE TRIM REMOVAL/INSTALLATION .)
    6. Glove compartment (Refer to GLOVE COMPARTMENT REMOVAL/INSTALLATION .)
    7. Dashboard under cover (Refer to DASHBOARD UNDER COVER REMOVAL/INSTALLATION .)
    8. Passenger-side decoration panel (Refer to DECORATION PANEL REMOVAL/INSTALLATION .)
    9. A-pillar trim (Refer to A-PILLAR TRIM REMOVAL/INSTALLATION .)
    10. Driver-side air bag module (Refer to DRIVER-SIDE AIR BAG MODULE REMOVAL [STANDARD DEPLOYMENT CONTROL SYSTEM] .) (Refer to DRIVER-SIDE AIR BAG MODULE INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM] .) (Refer to DRIVER-SIDE AIR BAG MODULE REMOVAL [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .) (Refer to DRIVER-SIDE AIR BAG MODULE INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .)
    11. Steering wheel (Refer to STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION .)
    12. Upper column cover (Refer to COLUMN COVER REMOVAL/INSTALLATION .)
    13. Meter hood (Refer to METER HOOD REMOVAL/INSTALLATION .)
    14. Instrument cluster (Refer to INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)
    15. Lower column cover (Refer to COLUMN COVER REMOVAL/INSTALLATION .)
    16. Clock spring (Refer to CLOCK SPRING REMOVAL/INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM] .) (Refer to CLOCK SPRING REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .)
    17. Wiper and washer switch (Refer to WIPER AND WASHER SWITCH REMOVAL/INSTALLATION .)
    18. Light switch (Refer to LIGHT SWITCH REMOVAL/INSTALLATION .)
    19. Hood release lever (Refer to HOOD RELEASE LEVER AND RELEASE CABLE REMOVAL/INSTALLATION .)
    20. Fuel-filler lid opener lever (Refer to FUEL-FILLER LID OPENER AND LEVER REMOVAL/INSTALLATION .)
    21. Driver-side lower panel (Refer to DRIVER-SIDE LOWER PANEL REMOVAL/INSTALLATION .)
    22. Knee bolster (Refer to KNEE BOLSTER REMOVAL/INSTALLATION .)
    23. Joint cover (Refer to STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION .)
    24. Steering shaft (Refer to STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION .)
    25. Selector lever knob (Refer to AUTOMATIC TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION .)
    26. Shift panel (Refer to SHIFT PANEL REMOVAL/INSTALLATION .)
      1. aa. Console side panel (Refer to CONSOLE SIDE PANEL REMOVAL/INSTALLATION .)
      2. ab. Front console (Refer to FRONT CONSOLE REMOVAL/INSTALLATION .)
      3. ac. Side wall (Refer to SIDE WALL REMOVAL/INSTALLATION .)
      4. ad. Rear console (Refer to REAR CONSOLE REMOVAL/INSTALLATION .)
      5. ae. Selector lever component (Refer to AUTOMATIC TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION .)
      6. af. Selector lever bracket (Refer to AUTOMATIC TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION .)
      7. ag. Passenger-side lower panel (Refer to PASSENGER-SIDE LOWER PANEL REMOVAL/INSTALLATION .)
      8. ah. Front climate control unit (Refer to FRONT CLIMATE CONTROL UNIT REMOVAL/INSTALLATION .)
      9. ai. Center display (Refer to CENTER DISPLAY REMOVAL/INSTALLATION .)
      10. aj. Connectivity master unit (CMU) (Refer to CONNECTIVITY MASTER UNIT (CMU) REMOVAL/INSTALLATION .)
      11. ak. Dashboard (Refer to DASHBOARD REMOVAL .) (Refer to DASHBOARD INSTALLATION .)
      12. al. Front heat duct (Refer to FRONT HEAT DUCT REMOVAL/INSTALLATION .)
      13. am. Blower unit (Refer to BLOWER UNIT REMOVAL/INSTALLATION .)
      14. an. Foot support (Refer to FOOT SUPPORT REMOVAL/INSTALLATION .)
  5. Disconnect the front heater hose No. 4.
    Fig 1: Identifying Front Heater Hoses And Clips
    G10948328Courtesy of MAZDA MOTORS CORP.
  6. Disconnect the front heater hose No. 3.
  7. Remove the bolt.
    Fig 2: Identifying Front Cooler Pipes And Bolt With Torque Specifications
    G10948329Courtesy of MAZDA MOTORS CORP.
  8. Disconnect the front cooler pipe (LO) and front cooler pipe (HI). 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.
  9. Disconnect the drain hose.
    Fig 3: Disconnecting Drain Hose
    G10948330Courtesy of MAZDA MOTORS CORP.
  10. Remove the nuts.
    Fig 4: Identifying Front A/C Unit Nuts With Torque Specifications
    G10948331Courtesy of MAZDA MOTORS CORP.
  11. Remove the front A/C unit. Do not allow compressor oil to spill.
  12. Install in the reverse order of removal. (Refer to FRONT A/C UNIT INSTALLATION NOTE (1) .) (Refer to FRONT A/C UNIT INSTALLATION NOTE (2) .)
  13. Inspect for engine coolant leakage. (Refer to ENGINE COOLANT LEAKAGE INSPECTION .)
  14. Perform the refrigerant system performance test. (Refer to REFRIGERANT SYSTEM PERFORMANCE TEST .)
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