Yukon/Denali 2WD V8-5.3L VIN Z Flex Fuel (2005)
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.
