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Home >> Buick >> 1988 >> Reatta V6-231 3.8L VIN C SFI >> 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


REATTA, RIVIERA

1. Disconnect negative battery cable. Under normal conditions, it is not necessary to discharge system refrigerant during this procedure, as switch unit fitting is supplied with a Schrader valve.
2. Disconnect switch harness connection.
3. Remove front of cowl shield.
4. Remove switch.
5. When installing new switch unit, install new oiled O-ring and torque switch to 7.5 ft. lbs. Be careful not to over tighten switch.
6. Reconnect harness and battery cable.



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