Compressor HVAC: Service and Repair

REMOVAL
1. Prepare the vehicle for A/C compressor removal.
1. Disconnect the battery ground cable.
2. Perform the Refrigerant Discharging and Recovery Procedure.
3. Remove both cooling fans.
NOTE: For ease of removal, remove the LH cooling fan first.

4. Remove the drive belt. Refer to Drive Belts, Mounts, Brackets and Accessories.
5. Raise and support the vehicle. Refer to Maintenance/Service and Repair.







2. Position the clamp out of the way.







3. Disconnect the compressor manifold and tube assembly. Remove and discard the O -ring seal.
- During installation, install a new O-ring seal lubricated with PAG Refrigerant Compressor Oil (R-134a Systems) F7AZ-19589-DA (Motorcraft YN-12-C), or equivalent meeting Ford specification WSH-M1C231-B.







4. Detach and disconnect the heated oxygen sensor electrical connector.







5. Disconnect the pressure cutoff switch electrical connector.
6. Lower the vehicle.







7. Remove the coolant pipe assembly.
1. Disconnect the hoses.
2. Detach the wiring harness.

NOTE: The wiring harness is attached to the bottom of the coolant pipe and is not visible.

3. Remove the coolant pipe assembly.







8. Disconnect the coolant hose.
9. Detach the wiring harness.







10. Remove the water bypass tube.
1. Remove the bolts.
2. Remove the bolt.
3. Remove the water bypass tube.







11. Detach the wiring harness.







12. Remove the bolt. Disconnect the compressor manifold and tube assembly. Remove and discard the O-ring seals.
- During installation, install new O-ring seals lubricated with PAG Refrigerant Compressor Oil (R-134a Systems) F7AZ-19589-DA (Motorcraft YN-12-C), or equivalent meeting Ford specification WSH-M1C231-B.







13. Disconnect the compressor hose and tube assembly spring lock coupling. Remove and discard the O-ring seal.
- During installation, install a new O-ring seal lubricated with PAG Refrigerant Compressor Oil (R-134a Systems) F7AZ-19589-DA (Motorcraft YN-12-C), or equivalent meeting Ford specification WSH-M1C231-B.

14. Remove the compressor manifold and tube assembly.







15. Remove the A/C compressor.
1. Disconnect the clutch field coil electrical connector.
2. Remove the four bolts.
3. Remove the A/C compressor.

NOTE: Move the A/C compressor toward the rear of the engine and remove the A/C compressor through the battery junction box mounting location.



INSTALLATION
1. To install, reverse the removal procedure.
- If a new A/C compressor is to be installed, the A/C field coil and the A/C clutch must be transferred from the old unit. Refer to Clutch and clutch Field Coil.
- If a new A/C compressor is to be installed, Refer to Heating and Air Conditioning, for refrigerant oil addition.

2. Evacuate, leak test and charge the A/C system.