TrailBlazer 2WD V8-6.0L VIN H (2006)
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 HVAC module - auxiliary assembly.
2. Remove the heater core - auxiliary.
3. Remove the inverted TORX studs from the evaporator block - auxiliary.
4. Remove the backing plate (1) from the evaporator core.
5. Remove the screws from the blower motor control processor - auxiliary.
6. Remove the blower motor control processor - auxiliary.
7. Remove the screws from the HVAC module - auxiliary case sump (2).
8. Remove the HVAC module - auxiliary case sump (2).
9. Remove the evaporator core (3) from the HVAC module - auxiliary (1).
10. Carefully remove the foam insulator (2) from around the evaporator core - auxiliary (3).
INSTALLATION PROCEDURE
1. If replacing the evaporator core, add the proper amount of refrigerant oil to the evaporator. Refer to Refrigerant System Capacities for the capacity
information.