Envoy 4WD V8-5.3L VIN P (2004)
Expansion Block/Orifice Tube: Service and Repair
Orifice Tube
Body VIN 3 / GMT 360
EXPANSION (ORIFICE) TUBE REPLACEMENT (BODY VIN CODE 3)
TOOLS REQUIRED
-
J 26549-E Orifice Tube Remover
-
J 39400-A Halogen Leak Detector
REMOVAL PROCEDURE
1. Recover the refrigerant.
2. Remove the accumulator.
3. Remove the coolant reservoir.
4. Remove the evaporator tube nut (3) at the evaporator (1).
5. Remove the evaporator tube (4) from the evaporator (1).
6. Remove the O-ring seal and discard.
7. Remove the nut from the evaporator tube block fitting.
8. Separate the evaporator tubes (4,6) at the block fitting.
9. Use the J 26549-E in order to remove the expansion tube.
10. Remove the expansion tube from the evaporator tube (6).
INSTALLATION PROCEDURE