GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2000 🢒 GMC K Pickup - 4WD 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Auxiliary Air Conditioning Evaporator Thermal Expansion Valve Replacement

Removal Procedure
  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Remove the evaporator core. Refer to Auxiliary Air Conditioning Evaporator Replacement .
  3. Complete the following steps in order to remove the TXV from the evaporator core:
    4. • Remove the clip retaining the capillary tube to the suction pipe.
    • Remove the TXV from the evaporator inlet pipe.

Installation Procedure
  1. Install the TXV to the evaporator core by completing the following steps:
    2. • Install the TXV to the evaporator core inlet pipe.
    • Install the capillary tube to the suction line.
    • Install the capillary tube to the retaining clip.
  2. Install the evaporator core. Refer to Auxiliary Air Conditioning Evaporator Replacement .
  3. Charge the system. Refer to Refrigerant Recovery and Recharging .