Evaporator Core: Removal & Installation - Chevrolet Trailblazer Service Manual

Evaporator Core
Removal & Installation
To Remove:
1. Remove the HVAC module from the instrument panel carrier.
2. Remove the screws from the HVAC module.
3. Detach the top of the HVAC module from the bottom.
4. Remove the evaporator core from the HVAC module.
5. Remove the HVAC module seal from between the two halves.
To Install:
NOTE: Add refrigerant oil to the evaporator core if the core is being replaced.
1. Install the HVAC module seal between the two halves.
2. Install the evaporator core into the HVAC module.
3. Attach the top of the HVAC module to the bottom.
4. Install the screws into the HVAC module. Torque the screws to 17 in-lb (1.9 Nm).
5. Install the HVAC module onto the instrument panel carrier.
Evaporator core