Colorado 4WD L4-2.9L (2008)
Refrigerant Pressure Sensor / Switch: Service and Repair
Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement (LLV - 2.9L, LLR - 3.7L)
Tools Required
J 39400-A Halogen Leak Detector
Removal Procedure
1. Disconnect the A/C refrigerant pressure sensor electrical connector.
2. Remove the A/C refrigerant pressure sensor from the evaporator inlet tube.
Installation Procedure
1. Using a lint-free clean, dry cloth, carefully clean the sealing surfaces of the evaporator inlet tube fitting.
Important: DO NOT allow any of the mineral base 525 viscosity refrigerant oil on the O-ring seal to enter the refrigerant system.
2. Lightly coat the O-ring seal with mineral base 525 viscosity refrigerant oil.
Notice: Refer to Fastener Notice.
3. Install the A/C refrigerant pressure sensor to the evaporator inlet tube.
Tighten the sensor to 5 N.m (44 lb in).
4. Connect the A/C refrigerant pressure sensor electrical connector.