Compressor Replacement

Compressor Replacement


REMOVAL PROCEDURE

IMPORTANT: Compressor related noise is generally A/C system related and not always the compressor itself. Prior to replacing the compressor, refer to Noise Diagnosis.




1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in Service Precautions.
3. Remove the serpentine drive belt.
4. Remove the A/C compressor and condenser hose bolt.
5. Discard the O-ring.




6. Remove the transmission oil cooler pipes from the engine bracket, if necessary.




7. Disconnect the electrical connector from the A/C compressor.




8. Remove the A/C compressor bolts.
9. Remove the A/C compressor.

INSTALLATION PROCEDURE
Use the following procedure in order to install the polyalkaline glycol (PAG) refrigerant oil.
^ If the compressor is being replaced, drain the refrigerant oil from both the detective compressor and the new replacement compressor.
^ Measure the amount of oil removed from the defective compressor.
^ If the measured amount is less than 30 ml (1 oz), add 60 ml (2 oz) to the new replacement compressor.




1. Install the A/C compressor.

NOTE: Refer to Fastener Notice in Service Precautions.

2. Install the A/C compressor bolts.

Tighten
Tighten the A/C compressor bolts to 50 N.m (37 lb ft).




3. Connect the electrical connector to the A/C compressor.




4. Install the transmission oil cooler pipes to the engine bracket, if removed.




5. Install a new O-ring.
Lightly coat the O-ring with a mineral base 525 Viscosity refrigerant oil.
6. Install the A/C compressor and condenser hose bolt.

Tighten
Tighten the A/C compressor and condenser hose bolt to 33 N.m (24 lb ft).

7. Install the serpentine drive belt.
8. Lower the vehicle.
9. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
10. Perform a leak test on the A/C system. Refer to Leak Testing.