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Front Expansion Valve 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. Remove the following parts:
    1. Plug hole plate (Refer to PLUG HOLE PLATE REMOVAL/INSTALLATION .)
    2. Front under cover No. 2. (Refer to FRONT UNDER COVER No. 2 REMOVAL/INSTALLATION .)
    3. Windshield wiper arm and blade (Refer to WINDSHIELD WIPER ARM AND BLADE REMOVAL/INSTALLATION .)
    4. Cowl grille (Refer to COWL GRILLE REMOVAL/INSTALLATION .)
    5. Windshield wiper motor and link (Refer to WINDSHIELD WIPER MOTOR AND LINK REMOVAL/INSTALLATION .)
    6. Keyless beeper (with advanced keyless entry system) (Refer to KEYLESS BEEPER REMOVAL/INSTALLATION .)
    7. Cowl panel (Refer to COWL PANEL REMOVAL/INSTALLATION .)
  4. Remove the nuts.
    Fig 1: Identifying Insulator And Nuts With Torque Specifications
    G10948335Courtesy of MAZDA MOTORS CORP.
  5. Remove the insulator.
  6. Remove the nuts.
    Fig 2: Removing Heater Pipe And Hose Component
    G10948336Courtesy of MAZDA MOTORS CORP.
  7. Set the heater pipe and hose component out of the way as shown in the figure.
  8. Remove the nut.
    Fig 3: Identifying Heater Pipe And Hose Component Nut With Torque Specifications
    G10948337Courtesy of MAZDA MOTORS CORP.
  9. Remove the front cooler pipe (LO) from the clip.
    Fig 4: Identifying Front Cooler Pipe Clip
    G10948338Courtesy of MAZDA MOTORS CORP.
  10. Set the front cooler pipe (HI) and front cooler pipe (LO) out of the way.
  11. Remove the bolt.
    Fig 5: Identifying Front Cooler Pipes And Bolt With Torque Specifications
    G10948339Courtesy of MAZDA MOTORS CORP.
  12. Disconnect the front cooler pipe (HI) and front cooler pipe (LO). 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 will occur. Always immediately plug all open fittings after removing any refrigeration cycle parts to keep moisture or foreign matter out of the cycle.
  13. Remove the bolts.
    Fig 6: Identifying Front Expansion Valve And Bolts With Torque Specifications
    G10948340Courtesy of MAZDA MOTORS CORP.
  14. Remove the front expansion valve. 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 will occur. Always immediately plug all open fittings after removing any refrigeration cycle parts to keep moisture or foreign matter out of the cycle.
  15. Install in the reverse order of removal. (Refer to Front Expansion valve Installation Note )
  16. Perform the refrigerant system performance test. (Refer to REFRIGERANT SYSTEM PERFORMANCE TEST .)
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