C 2500 Yukon XL 2WD V8-6.0L VIN U (2001)
Refrigerant Pressure Sensor / Switch: Service and Repair
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. Lightly coat the NEW O-ring seal with mineral base 525 viscosity refrigerant oil.
2. Install the NEW O-ring seal to the switch.
NOTE: Refer to Fastener Notice in Service Precautions.
3. Install the A/C low pressure switch to the accumulator.
Tighten
Tighten the switch to 6 N.m (53 lb in).
4. Connect the electrical connector to the A/C low pressure switch.
