Rear Heater Core: Removal & Installation - Chevrolet Trailblazer Service Manual

Rear Heater Core
Removal & Installation
To Remove:
1. Remove the rear auxiliary HVAC module from the vehicle.
2. Detach the heater core access cover from the rear auxiliary HVAC module.
3. Remove the pass through seal from the auxiliary rear HVAC module.
4. Remove the heater core from the rear auxiliary HVAC module.
To Install:
1. Install the heater core into the rear auxiliary HVAC module.
2. Install the pass through seal into the auxiliary rear HVAC module.
3. Attach the heater core access cover to the rear auxiliary HVAC module. Torque the
screws to 18 in-lb (2 Nm).
4. Install the rear auxiliary HVAC module into the vehicle.
Rear heater core removal and installation