Uplander AWD V6-3.5L VIN 8 (2005)
Evaporator Core: Service and Repair
Evaporator Core - Auxiliary
EVAPORATOR CORE REPLACEMENT - AUXILIARY
TOOLS REQUIRED
J 39400-A Halogen Leak Detector
REMOVAL PROCEDURE
1. Remove the auxiliary HVAC module assembly. See: Housing Assembly HVAC/Service and Repair
2. Remove the auxiliary thermal expansion valve (TXV) line clamp screws.
3. Remove the auxiliary TXV line clamp from the HVAC module assembly.
4. Remove the TXV insulation.
5. Remove the bolt from the auxiliary TXV line block fitting.
6. Disconnect the A/C lines from the auxiliary TXV.
7. Remove and discard the sealing washers.
8. Cap or tape the A/C lines.
IMPORTANT: Cap or tape the open A/C lines immediately to prevent system contamination.
