gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Air Conditioning Evaporator Thermal Expansion Valve Replacement|Page 11184 > < Evaporator Core Replacement (Delphi)|Page 11179
Page 1
background image

Expansion Block/Orifice Tube: Service and Repair
Air Conditioning Evaporator Thermal Expansion Valve Replacement

EXPANSION (ORIFICE) TUBE REPLACEMENT

TOOLS REQUIRED

-

J 26549-E Orifice Tube Remover

-

J 39400-A Halogen Leak Detector

REMOVAL PROCEDURE

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.

2. Loosen the nut from the evaporator tube fitting.
3. Use the J 26549-E in order to remove the orifice tube (1) from the evaporator tube (2).
4. Cap or plug the open line.

INSTALLATION PROCEDURE

1. Uncap or unplug the evaporator tube.

Air Conditioning Evaporator Thermal Expansion Valve Replacement|Page 11184 > < Evaporator Core Replacement (Delphi)|Page 11179