chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

Sensors and Switches - Instrument Panel > < Air Conditioning (A/C) High Pressure Switch Replacement
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Refrigerant Pressure Sensor / Switch: Service and Repair
Air Conditioning Cycling Switch Replacement

Air Conditioning Cycling Switch Replacement

Special Tools

J 39400-A  Halogen Leak Detector

Removal Procedure

1. Disconnect the low pressure switch electrical connector (2).
2. Remove the low pressure switch (1) from the accumulator.
3. Remove the O-ring seal.

Installation Procedure

1. Install the new O-ring seal to the switch. Refer to Air Conditioning O-Ring Seal Replacement   (See: Heating and Air Conditioning/Coupler

HVAC/A/C Coupler O-ring/Service and Repair/Air Conditioning O-Ring Seal Replacement).

Caution:  Refer to Fastener Caution   (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).

2. Install the A/C low pressure switch (1) to the accumulator and tighten to 4 Nm (35 lb in).
3. Connect the low pressure switch electrical connector  (2).
4. Leak test the fittings of the component using the J 39400-A.

Sensors and Switches - Instrument Panel > < Air Conditioning (A/C) High Pressure Switch Replacement