Compressor HVAC: Service and Repair

Air Conditioning (A/C) Compressor - 4.4L

Service Repair No - 82.10.20

Removal
1. Disconnect the battery ground cable.

WARNING: Do not work on or under a vehicle supported only by a jack.Always support the vehicle on safety stands.

2. Raise and support the vehicle.
3. Remove the air cleaner assembly.
4. Remove the power steering pump.
5. Remove the accessory drive belt tensioner.
^ Remove the bolt.





6. Release the transmission cooler pipe clips.
7. Remove the power steering pump mounting bracket.
^ Remove the 3 bolts.





CAUTION: Always plug any open connections to prevent contamination.

8. Disconnect the refrigerant lines from the A/C compressor.
^ Remove the 2 bolts.
^ Remove and discard the O-ring seal.





9. Disconnect the A/C clutch electrical connector.





10. Release the A/C compressor.
^ Remove the 3 bolts.

NOTE: 1 A/C compressor bolt will remain captive until the mounting bracket is removed.





11. Remove the A/C compressor mounting bracket.
^ Remove the 2 bolts.





12. Remove the A/C compressor.

Installation
1. Position the A/C compressor to the engine.
^ If a new compressor is being installed, the required amount of refrigerant oil must be drained from it.
2. Install the A/C compressor mounting bracket.
^ Tighten the bolts to 25 Nm (18 ft. lbs.).
3. Secure the A/C compressor.
^ Tighten the bolts to 25 Nm (18 ft. lbs.).
4. Connect the A/C clutch electrical connector.

CAUTION: Lubricate the new seals with clean refrigerant oil.

5. Connect the refrigerant lines.
^ Clean the component mating faces.
^ Install the new O-ring seals.
^ Tighten the bolts to 10 Nm (7 ft. lbs.).
6. Install the power steering pump.
7. Secure the transmission cooler pipes into clips.
8. Connect the battery ground cable.