CTS RWD V8-6.2L SC (2009)
Housing Assembly HVAC: Service and Repair
HVAC Module Assembly Replacement
HVAC Module Assembly Replacement
Special Tools
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J 39400-A Halogen Leak Detector
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J 38185 Hose Clamp Pliers
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J 45689 A/C Quick Joint Tool
Removal Procedure
1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging (See: Service and Repair/Refrigerant Recovery and Recharging).
2. Remove the battery. Refer to Battery Replacement (See: Starting and Charging/Battery/Service and Repair).
3. Drain the coolant. Refer to Cooling System Draining and Filling (GE 47716) (See: Engine, Cooling and Exhaust/Cooling System/Service and
Repair)Cooling System Draining and Filling (Static Fill) (See: Engine, Cooling and Exhaust/Cooling System/Service and Repair).
4. Using the J 38185 disconnect the heater inlet hose (1).
5. Using the J 38185 disconnect the heater outlet hose (1).
6. Disconnect both A/C lines at the cowl.
Note: The body of the tool should be parallel to the A/C line.
7. Using the J 45689 (1) insert the probe end into the two small openings of the plastic quick joint.
8. Remove both quick joint clamps.
9. Disconnect both A/C lines.