LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2015 >> 3 SV, Standard Trans >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC Basic System >> Expansion Valve Removal/Installation

Expansion Valve Removal/Installation

  1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
  2. Discharge the refrigerant from the system. (See REFRIGERANT CHARGING .)
    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.
  3. Remove the nut.
  4. Remove the clip.
    Fig 1: Cooler Hose, Pipe, Nut And Clip With Torque Specifications
    G09771348Courtesy of MAZDA MOTORS CORP.
  5. Remove the bolt and disconnect the cooler hose (LO) and cooler pipe. Do not allow compressor oil to spill.
    Fig 2: Cooler Hose, Pipe And Nut With Torque Specifications
    G09075767Courtesy of MAZDA MOTORS CORP.
  6. Remove the bolts.
  7. Remove the expansion valve. Do not allow compressor oil to spill.
  8. Install in the reverse order of removal.
  9. Perform the refrigerant system performance test. (See REFRIGERANT SYSTEM PERFORMANCE TEST .)
    Fig 3: Expansion Valve And Bolt With Torque Specifications
    G09771350Courtesy of MAZDA MOTORS CORP.