Express 3/4 Ton Van V8-4.8L VIN V (2003)
Low Pressure Sensor / Switch: Service and Repair
AIR CONDITIONING (A/C) LOW PRESSURE SWITCH REPLACEMENT
TOOLS REQUIRED
J 39400-A Halogen Leak Detector
REMOVAL PROCEDURE
1. Disconnect the low pressure switch electrical connector (2).
2. Remove the low pressure switch (1) from the accumulator.
3. Remove the O-ring seal.
INSTALLATION PROCEDURE
1. Install the new O-ring seal to the switch.
2. Install the A/C low pressure switch (1) to the accumulator.
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the switch to 4 N.m (35 lb in).
3. Connect the low pressure switch electrical connector (2).
4. Leak test the fittings of the component using the J 39400-A.
