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A/C Unit Removal/Installation: Notes

WARNING: This page is about a different car, the 2024 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

Replacement Part 

O-ring (cooler hose (LO))
Quantity: 1
Location of use: A/C unit		 O-ring (cooler pipe)
Quantity: 1
Location of use: A/C unit
WARNING:
CAUTION:
  • When leaving the A/C unit, store it in the correct position shown in the figure. If the A/C unit is left in an incorrect position, the cooler pipe, heater pipe, or urethane could be deformed or damaged.
G16375514Courtesy of MAZDA MOTORS CORP.
  1. Disconnect the negative battery terminal and wait for 1 min or more. (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 (VIN M) .) (See ENGINE COOLANT REPLACEMENT (VIN Y) .)
  4. Remove the following parts:
    1. Plug hole plate (See PLUG HOLE PLATE REMOVAL/INSTALLATION (VIN M) .) (See PLUG HOLE PLATE REMOVAL/INSTALLATION (VIN Y) .)
    2. A-pillar trim (See A-PILLAR TRIM REMOVAL/INSTALLATION .)
    3. Front scuff plate (See FRONT SCUFF PLATE REMOVAL/INSTALLATION .)
    4. Front side trim (See FRONT SIDE TRIM REMOVAL/INSTALLATION .)
    5. Passenger-side decoration panel (See PASSENGER-SIDE DECORATION PANEL REMOVAL/INSTALLATION .)
    6. Glove compartment (without passenger-side knee air bag module) (See GLOVE COMPARTMENT REMOVAL/INSTALLATION .)
    7. Dashboard under cover (See DASHBOARD UNDER COVER REMOVAL/INSTALLATION .)
    8. Passenger-side lower panel (See PASSENGER-SIDE REMOVAL/INSTALLATION .)
    9. Passenger-side knee air bag module (with passenger-side knee air bag module) (See PASSENGER-SIDE KNEE AIR BAG MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .)
    10. Driver-side decoration panel (See DRIVER-SIDE DECORATION PANEL REMOVAL/INSTALLATION .)
    11. Selector lever knob (See SELECTOR LEVER COMPONENT REMOVAL/INSTALLATION .)
    12. Upper panel (See UPPER PANEL REMOVAL/INSTALLATION .)
    13. Console side panel (See CONSOLE SIDE PANEL REMOVAL/INSTALLATION .)
    14. Shift panel (See SHIFT PANEL REMOVAL/INSTALLATION .)
    15. Front console box (See FRONT CONSOLE BOX REMOVAL/INSTALLATION .)
    16. Cup holder (without wireless charger (Qi)) (See CUP HOLDER REMOVAL/INSTALLATION WITHOUT WIRELESS CHARGER (Qi) .)
    17. Wireless charger (Qi) (with wireless charger (Qi)) (See WIRELESS CHARGER (Qi) REMOVAL/INSTALLATION .)
    18. Side wall (See SIDE WALL REMOVAL/INSTALLATION .)
    19. Rear console (See REAR CONSOLE REMOVAL/INSTALLATION .)
    20. Driver-side lower panel (See LOWER PANEL REMOVAL/INSTALLATION .)
    21. Driver-side knee air bag module (See DRIVER-SIDE KNEE AIR BAG MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .)
    22. Center lower panel (See CENTER LOWER PANEL REMOVAL/INSTALLATION .)
    23. Driver-side air bag module (See DRIVER-SIDE AIR BAG MODULE REMOVAL [TWOSTEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .) (See DRIVER-SIDE AIR BAG MODULE INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .)
    24. Steering wheel (See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION .)
    25. Upper column cover (See UPPER COLUMN COVER REMOVAL/INSTALLATION .)
    26. Lower column cover (See LOWER COLUMN COVER REMOVAL/INSTALLATION .)
    27. Clock spring (See CLOCK SPRING REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.] .)
    28. Light switch (See LIGHT SWITCH REMOVAL/INSTALLATION .)
    29. Wiper and washer switch (See WIPER AND WASHER SWITCH REMOVAL/INSTALLATION .)
    30. Joint cover (See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION .)
    31. Steering shaft (See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION .)
    32. Instrument cluster (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)
    33. Center speaker grill (See CENTER SPEAKER GRILLE REMOVAL/INSTALLATION .)
    34. Center display component (See CENTER DISPLAY REMOVAL/INSTALLATION .)
    35. Connectivity master unit (CMU) (See CONNECTIVITY MASTER UNIT (CMU) REMOVAL/INSTALLATION .)
    36. Audio panel (See AUDIO PANEL REMOVAL/INSTALLATION .)
    37. Climate control unit (See CLIMATE CONTROL UNIT REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER] .) (See CLIMATE CONTROL UNIT REMOVAL/INSTALLATION [MANUAL AIR CONDITIONER] .)
    38. Dashboard side cover (See DASHBOARD SIDE COVER REMOVAL/INSTALLATION .)
    39. Rear heat duct No. 1 (See REAR HEAT DUCT NO. 1 REMOVAL/INSTALLATION  .)
    40. Driver-side front heat duct No. 2 (See DRIVER-SIDE FRONT HEAT DUCT NO. 2 REMOVAL/INSTALLATION  .)
    41. Windshield wiper arm and blade (See WINDSHIELD WIPER ARM AND BLADE REMOVAL/INSTALLATION .)
    42. Cowl grille (See COWL GRILLE REMOVAL/INSTALLATION .)
    43. Dashboard (See DASHBOARD REMOVAL .) (See DASHBOARD INSTALLATION .)
    44. Blower unit (See BLOWER UNIT REMOVAL/INSTALLATION .)
    45. Front heat duct No. 1 (See FRONT HEAT DUCT REMOVAL/INSTALLATION .)
    46. Foot support (See FOOT SUPPORT REMOVAL/INSTALLATION .)
  5. Remove the bolt.
    Fig 1: Cooler Pipe, Cooler Hose (LO) And Bolt With Torque Specification
    G13177373Courtesy of MAZDA MOTORS CORP.
  6. Disconnect the cooler hose (LO) and cooler pipe.
    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 heater hose.
    G13177374Courtesy of MAZDA MOTORS CORP.
  8. Disconnect the drain hose.
    G13177375Courtesy of MAZDA MOTORS CORP.
  9. Disconnect the dash-electrical supply unit connectors.
    G13177376Courtesy of MAZDA MOTORS CORP.
  10. Detach the clip.
  11. Remove the nuts.
    Fig 2: A/C Unit And Nuts With Torque Specification
    G13177377Courtesy of MAZDA MOTORS CORP.
  12. Remove the A/C unit. Do not allow compressor oil to spill.
  13. Install in the reverse order of removal. (See A/C Unit Installation Note .)
  14. Inspect for engine coolant leakage. (See ENGINE COOLANT LEAKAGE INSPECTION (VIN M) .) (See ENGINE COOLANT LEAKAGE INSPECTION (VIN Y) .)
  15. Perform the refrigerant system performance test. (See REFRIGERANT SYSTEM PERFORMANCE TEST .)
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