Sierra Classic 3500 4WD V8-6.0L (2007)
Evaporator Core: Service and Repair
Evaporator Core Replacement (Visteon)
Evaporator Core Replacement (Visteon)
Removal Procedure
1. Remove the HVAC module.
2. Disconnect the electrical connector from the recirculation actuator.
3. Remove the screws from the evaporator cover (1).
4. Remove the evaporator cover (1) from the HVAC module assembly (2).
5. Remove the evaporator cowl gasket (1) from the evaporator (2).
6. Remove the evaporator core (1) from the HVAC module assembly (2).
Installation Procedure
Important: If replacing the condenser, add the refrigerant oil to the evaporator core. Refer to Refrigerant System Capacities.
1. Install the evaporator core (1) to the HVAC module assembly (2).