gmc Workshop Repair Guides

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Accumulator HVAC: Service and Repair

Air Conditioning Accumulator 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 reservoir. Refer to Coolant Recovery Reservoir Replacement   (See: Engine, Cooling and Exhaust/Cooling System/Coolant

Reservoir/Service and Repair).

3. Disconnect the electrical connector (2) from A/C low pressure sensor (1).
4. Remove the evaporator outlet pipe retaining nut (3) from the accumulator.

Heating and Air Conditioning > Accumulator HVAC > Component Information > Service and Repair

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