gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Air Conditioning Evaporator Core Replacement|Page 10142 > < A/C - Musty Odors Emitted From (HVAC) System|Page 10139
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Evaporator Core: Service and Repair
Air Conditioning Evaporator Core Replacement

Air Conditioning Evaporator Core Replacement

Special Tools

J 39400-A  Halogen Leak Detector

Removal Procedure

1. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging   (See: Service and Repair/Refrigerant Recovery and

Recharging).

2. Remove the coolant recovery reservoir. Refer to Coolant Recovery Reservoir Replacement   (See: Engine, Cooling and Exhaust/Cooling

System/Coolant Reservoir/Service and Repair).

3. Disconnect the low pressure sensor electrical connector (2).

Air Conditioning Evaporator Core Replacement|Page 10142 > < A/C - Musty Odors Emitted From (HVAC) System|Page 10139