TrailBlazer 2WD L6-4.2L VIN S (2003)
8. Remove the evaporator core (3) from the HVAC module-auxiliary (1).
9. Carefully remove the foam insulator (2) from around the evaporator core-auxiliary (3).
INSTALLATION PROCEDURE
1. Transfer the foam insulator (2) to the replacement evaporator core-auxiliary (3).
2. Transfer the thermal expansion valve-auxiliary to the replacement evaporator core-auxiliary.Install the evaporator core-auxiliary (3) to the rear
HVAC module-auxiliary (1).
3. Install the HVAC module-auxiliary case sump (2).
4. Install the screws to the HVAC module-auxiliary case sump.
