LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2007 >> 6 Mazdaspeed >> Repair and Diagnosis >> External Pages >> Different car >> Section 653 (Basic System (HVAC)) >> A/C Unit Removal/Installation >> Notes

A/C Unit Removal/Installation: Notes

WARNING: This page is about a different car, the 2007 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable.
  2. Discharge the refrigerant. (See REFRIGERANT CHARGING .)
  3. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT [LF, L3] .) (See ENGINE COOLANT REPLACEMENT [L3 WITH TC] .)
  4. Remove the charge air cooler cover. (L3 with TC)
  5. Disconnect from the A/C unit in the order indicated in the table.
    CAUTION:
    • If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise or other malfunction could occur. Always plug open fittings immediately after removing any refrigeration cycle parts.
      Fig 1: Identifying Insulator
      G04956289Courtesy of MAZDA MOTORS CORP.

    LF, L3 

    Fig 2: Cooler Hose, Cooler Pipe And Heater Hose (LF, L3) With Torque Specifications
    G04956290Courtesy of MAZDA MOTORS CORP.

    L3 with TC 

    Fig 3: Cooler Hose, Cooler Pipe And Heater Hose (L3 With TC) With Torque Specifications
    G04956291Courtesy of MAZDA MOTORS CORP.
  6. Remove the following parts:
    1. Front doors (See FRONT DOOR REMOVAL/INSTALLATION .)
    2. Front scuff plate (See FRONT SCUFF PLATE REMOVAL/INSTALLATION .)
    3. Front side trim (See FRONT SIDE TRIM REMOVAL/INSTALLATION .)
    4. Decoration panel (See DECORATION PANEL REMOVAL/INSTALLATION .)
    5. Glove compartment (See GLOVE COMPARTMENT REMOVAL/INSTALLATION .)
    6. PJB (See PASSENGER JUNCTION BOX (PJB) REMOVAL/INSTALLATION .)
    7. Car-navigation unit (See CAR-NAVIGATION UNIT REMOVAL/INSTALLATION .)
    8. Side wall (See SIDE WALL REMOVAL/INSTALLATION .)
    9. Ashtray panel
    10. Console (See CONSOLE REMOVAL/INSTALLATION .)
    11. Shift lever component (MTX) (See SHIFT MECHANISM REMOVAL/INSTALLATION [G35M-R]SHIFT MECHANISM REMOVAL/INSTALLATION [A26M-R] .)
    12. Selector lever component (ATX) (See SELECTOR LEVER COMPONENT REMOVAL/INSTALLATION .)
    13. Center panel unit (See CENTER PANEL UNIT REMOVAL/INSTALLATION .)
    14. Hood release lever from the lower panel
    15. Lower panel (See LOWER PANEL REMOVAL/INSTALLATION .)
    16. Shower ducts (LH, RH)
    17. Driver-side air bag module (See DRIVER-SIDE AIR BAG MODULE REMOVAL/INSTALLATION .)
    18. Column cover (See COLUMN COVER REMOVAL/INSTALLATION .)
    19. Meter hood (See METER HOOD REMOVAL/INSTALLATION .)
    20. Instrument cluster (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)
    21. Steering shaft (See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION .)
      Fig 4: Identifying Shower Duct
      G04956292Courtesy of MAZDA MOTORS CORP.
    22. A-pillar trim (See A-PILLAR TRIM REMOVAL/INSTALLATION .)
    23. Windshield wiper arm and blade (See WINDSHIELD WIPER ARM AND BLADE REMOVAL/INSTALLATION .)
    24. Cowl grille (See COWL GRILLE REMOVAL/INSTALLATION .)
    25. Cowl panel (See COWL PANEL REMOVAL/INSTALLATION .)
    26. Windshield wiper motor (See WINDSHIELD WIPER MOTOR REMOVAL/INSTALLATION .)
  7. Remove the A/C unit installation nut from the engine compartment, then remove the A/C unit.
    CAUTION:
    • If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise or other malfunction could occur. Always plug open fittings immediately after removing any refrigeration cycle parts.
      Fig 5: Identifying A/C Unit Installation Nut
      G04956293Courtesy of MAZDA MOTORS CORP.
  8. Remove the rear heat duct (1).
  9. Disconnect the drain hose connected to the A/C unit. (See DRAIN HOSE INSTALLATION NOTE ).
  10. Remove the nuts and bolts for installing the dashboard to the body.
  11. Remove the dashboard with A/C unit. (See DASHBOARD REMOVAL/INSTALLATION .)
  12. Disconnect the air mix wire and airflow mode wire from the A/C unit with the wire clamps installed. (Manual air conditioner) (See CLIMATE CONTROL UNIT REMOVAL [MANUAL AIR CONDITIONER] .) (See CLIMATE CONTROL UNIT INSTALLATION [MANUAL AIR CONDITIONER] .)
  13. Disconnect the following connectors:
    • Blower motor connector
    • Power MOS FET connector (Full-auto air conditioner)
    • Evaporator temperature sensor connector
    • Air intake actuator connector
    • Air mix actuator connector (Full-auto air conditioner)
    • Airflow mode actuator connector (Full-auto air conditioner)
    • Resistor connector. (Manual air conditioner)
  14. Remove the heater case.
    1. Remove the screws.
    2. Pull up tab A in the direction shown by the arrow in the figure and remove it from the A/C unit.
    3. Pull up tabs B in the direction shown by the arrow in the figure and remove it from the A/C unit.
  15. Remove the nuts and bolts for installing the A/C unit to the dashboard.
  16. Install in the reverse order of removal.
  17. Inspect for engine coolant leakage. (See ENGINE COOLANT LEAKAGE INSPECTION [LF, L3] .) (See ENGINE COOLANT LEAKAGE INSPECTION [L3 WITH TC] .)
  18. Perform the refrigerant system performance test. (See REFRIGERANT SYSTEM PERFORMANCE TEST .)
    Fig 6: Identifying Heater Case Components
    G04956294Courtesy of MAZDA MOTORS CORP.
scientia non olet · About LEMON Manuals