LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1486 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Thermal Expansion Valve Replacement (First Design) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
    2. Fig 1: Compressor Hose, Nut & TXV
    GM931940Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: When removing the thermal expansion valve (TXV), keep dirt and foreign material from getting on or into the O-ring sealing surfaces. Clean tools and a clean work area are important for proper service. The TXV seal area should be cleaned before any repairs are performed. The parts must be kept clean at all times and any parts to be assembled should be cleaned with a non-petroleum based solvent and dried with air. Use only lint free cloths to wipe parts. Do not allow solvent to enter evaporator or hoses.
  2. Remove the evaporator outlet hose nut from the TXV.
  3. Remove the evaporator outlet hose from the TXV.
  4. Install a protective cap to the evaporator outlet hose to prevent contamination and desiccant saturation.
    5. Fig 2: Liquid Line, Nut & TXV
    GM931930Courtesy of GENERAL MOTORS CORP.
  5. Remove the liquid line nut from the TXV.
  6. Remove the liquid line from the TXV.
  7. Install a protective cap to the liquid line to prevent contamination and desiccant saturation.
    8. Fig 3: Refrigerant Low Temperature Sensor & Engine Harness
    GM932516Courtesy of GENERAL MOTORS CORP.
  8. Disconnect the refrigerant low temperature sensor from the engine harness.
    9. Fig 4: TXV, Bolts & Backing Plate
    GM933678Courtesy of GENERAL MOTORS CORP.
  9. Remove the TXV bolts from the backing plate.
  10. Remove the TXV and the backing plate from the vehicle.
  11. Remove and discard the O-rings from the evaporator pipes. Refer to O-Ring Replacement .
  12. Install a protective cap to the evaporator pipes to prevent contamination and desiccant saturation.
scientia non olet · About LEMON Manuals