S15/T15 Sonoma P/U 2WD V6-4.3L VIN X (1998)
Refrigerant Pressure Sensor / Switch: Service and Repair
A/C Refrigerant Pressure Sensor
Removal Procedure
1. Disconnect the refrigerant pressure sensor electrical connector.
2. Remove the refrigerant pressure sensor from the evaporator tube.
3. Remove and discard the O-ring seal from the refrigerant sensor port on the evaporator tube.
Installation Procedure
1. Using a lint-free clean, dry cloth, carefully clean the sealing surfaces of the refrigerant pressure sensor port on the evaporator tube.
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 O-ring seal to enter the refrigerant system.
3. Slide the new O-ring seal onto the refrigerant pressure sensor port on the evaporator tube front until the unit is fully seated.
4. Install the refrigerant pressure sensor to the evaporator tube.
