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Valve-A/C Expansion: Installation

WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: A/C Expansion Valve-R and I
GC0028372Courtesy of DAIMLERCHRYSLER CORP.
  1. Remove the tape or plugs from the evaporator tube fittings and all of the expansion valve ports.
  2. Lubricate new O-ring seals with clean refrigerant oil and install them onto the evaporator tube fittings. Use only the specified seals as they are made of a special material for the R-134a system. Use only refrigerant oil of the type recommended for the A/C compressor in the vehicle.
  3. Install the A/C expansion valve (2) onto the evaporator tube tapping block (3).
  4. Install the two bolts (1) that secure the A/C expansion valve to the evaporator tube tapping block. Tighten the bolts to 11 N.m (97 in. lbs.).
    Fig 2: A/C Expansion Valve-Refrig Lines-R and I
    GC0028371Courtesy of DAIMLERCHRYSLER CORP.
  5. Remove the tape or plugs from the A/C suction line (2) and the A/C liquid line (3).
  6. Lubricate new O-ring seals with clean refrigerant oil and install them onto the A/C suction and liquid lines. Use only the specified seas as they are made of a special material for the R-134a system. Use only refrigerant oil of the type recommended for the A/C compressor in the vehicle.
  7. Connect the A/C suction and liquid lines to the A/C expansion valve (4).
  8. Install the nut (1) that secures the A/C suction and liquid lines to the A/C expansion valve. Tighten the nut to 23 N.m (17 ft. lbs.).
  9. Install the air intake tube and the resonator (Refer to ENGINE/AIR INTAKE SYSTEM/HOUSING-AIR CLEANER - INSTALLATION) .
  10. Reconnect the negative battery cable.
  11. Evacuate the refrigerant system. (Refer to REFRIGERANT SYSTEM EVACUATE  ).
  12. Recharge the refrigerant system. (Refer to REFRIGERANT SYSTEM CHARGE  ).
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