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Home >> Chevrolet >> 1999 >> Venture V6-3.4L VIN E >> Repair and Diagnosis >> Heating and Air Conditioning >> Refrigerant Pressure Sensor / Switch >> Service and Repair
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Refrigerant Pressure Sensor / Switch: Service and Repair




REMOVAL PROCEDURE
1. Remove the air cleaner cover and duct assembly.
2. Disconnect the electrical connector from the A/C pressure sensor.
3. Remove the A/C pressure sensor from the liquid line.

INSTALLATION PROCEDURE
1. Using a lint-free clean, dry cloth, carefully clean the sealing surfaces of the liquid line fitting.
2. Lightly coat the new O-ring seal with mineral base 525 viscosity refrigerant oil.

IMPORTANT: DO NOT allow any of the mineral base 525 viscosity refrigerant oil on the new O-ring seal to enter the refrigerant system.

3. Install the new O-ring seal.

NOTE: Refer to Fastener Notice in Service Precautions.

4. Install the A/C pressure sensor to the liquid line.

Tighten
Tighten the switch to 5 N.m (44 lb in).

5. Connect the electrical connector to the A/C pressure sensor.
6. Install the air cleaner and duct assembly.
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