Sierra 1500 2WD V8-5.3L (2008)
Low Pressure Sensor / Switch: Service and Repair
Air Conditioning (A/C) Low Pressure Switch Replacement (Non-HP2)
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.
Notice: Refer to Fastener Notice.
2. Install the A/C low pressure switch to the accumulator.
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.