CTS Sedan AWD V6-3.0L (2010)
Heater Core: Service and Repair
Heater Core Replacement
Removal Procedure
1. Remove the HVAC module. Refer to Air Conditioning and Heater Module Assembly Removal and Installation (See: Heating and Air
Conditioning/Housing Assembly HVAC/Service and Repair/Air Conditioning and Heater Module Assembly).
2. Remove the heater hose bracket screw.
3. Remove the heater hose bracket (1).
4. Slide the heater core out of the HVAC module.
Installation Procedure
1. Slide the heater core into the HVAC module.
