LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2008 >> STS AWD V6-3.6L >> Repair and Diagnosis >> Heating and Air Conditioning >> Heater Core >> Service and Repair
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Heater Core: Service and Repair



Heater Core Replacement

Removal Procedure

1. Remove the HVAC module. Refer to HVAC Module Assembly Replacement (Service and Repair) .
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.




2. Install the heater hose bracket (1).

Notice: Refer to Fastener Notice .

3. Install the heater hose bracket screw.

Tighten the screws to 1 N.m (9 lb in).

4. Install the HVAC module. Refer to HVAC Module Assembly Replacement (Service and Repair) .