chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

Sensors and Switches - Instrument Panel > < High-Side Pressure & High-Side Low Pressure Cutoff Switches|Page 415
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Refrigerant Pressure Sensor / Switch: Service and Repair
High-Side-High Pressure Cut Off Switch

R-4 COMPRESSOR

R-4 Compressor Component View

Remove or Disconnect

Tools Required:

J 5403 Snap Ring Pliers
J 9553 O-Ring Remover

1. Protective cap (28).
2. Retainer ring (27) with J 5403.
3. Valve (26).
4. Seal (25) with J 9553-01.

Clean
^

Remove any dirt from the valve cavity.

Install or Connect

1. New seal (O-ring) (25) to the cavity.

^

Dip the new seal in clean 525 viscosity refrigerant oil.

2. Pressure relief valve (26).
3. Retainer ring (27) with J 5403-A.
4. Cap (28).

Sensors and Switches - Instrument Panel > < High-Side Pressure & High-Side Low Pressure Cutoff Switches|Page 415