Yukon XL 2500 2WD V8-8.1L VIN G (2004)
Low Pressure Sensor / Switch: Service and Repair
AIR CONDITIONING (A/C) LOW PRESSURE SWITCH REPLACEMENT
REMOVAL PROCEDURE
1. Disconnect the electrical connector from the A/C low pressure switch.
2. Remove the A/C low pressure switch from the accumulator.
3. Remove the O-ring and discard.
INSTALLATION PROCEDURE
1. Install the new O-ring seal to the switch.
2. Install the A/C low pressure switch to the accumulator.
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten the switch to 6 N.m (53 lb in).
3. Connect the electrical connector to the A/C low pressure switch.
4. Leak test the fittings of the components using the J 39400-A.