Compressor HVAC: Service and Repair

Air Conditioning (A/C) Compressor - 4.2L

Service Repair No - 82.10.20

Removal
1. Disconnect the battery ground cable.
2. Raise and support the vehicle.

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

3. Recover the A/C refrigerant.
4. Remove the accessory drive belt.
5. Remove the accessory drive belt tensioner.
^ Remove the bolt.





6. Remove the oil level indicator and tube.
7. Remove the LH front wheel.
8. Disconnect the refrigerant lines from the A/C compressor.
^ Remove the 2 bolts.
^ Remove and discard the 2 O-ring seals.

CAUTION: Immediately cap all refrigerant lines to prevent ingress of dirt and moisture.





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 front wheel.
^ Tighten the wheel nuts to 140 Nm (103 ft. lbs.).
7. Lower the vehicle.
8. Install the oil level indicator and tube.
9. Install the accessory drive belt tensioner.
^ Tighten the bolt to 40 Nm (30 ft. lbs.).
10. Install the accessory drive belt.
11. Fill the A/C system.
12. Connect the battery ground cable.