Express 2500 V8-6.6L DSL Turbo (2010)
Heater Core: Service and Repair
Auxiliary Heater Core Replacement
Auxiliary Heater Core Replacement
Removal Procedure
1. Remove the auxiliary HVAC module. Refer to Auxiliary HVAC Module Removal and Installation (See: Housing Assembly HVAC/Service and
Repair/Auxiliary HVAC Module Removal and Installation).
2. Remove the screws from the bottom of the auxiliary HVAC module.
3. Remove the heater core from the module.
Installation Procedure
1. Install the heater core to the module.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
2. Install the screws to the bottom of the auxiliary HVAC module and tighten to 1.9 Nm (17 lb in).
3. Install the auxiliary HVAC module. Refer to Auxiliary HVAC Module Removal and Installation (See: Housing Assembly HVAC/Service and
Repair/Auxiliary HVAC Module Removal and Installation).
