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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 482 (Climate Control System) >> Removal And Installation >> Air Conditioning (A/C) Compressor - 5.0L and 5.8L >> Removal and Installation

Removal and Installation

WARNING: This page is about a different car, the 2013 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If installing a new Air Conditioning (A/C) compressor due to an internal failure of the old unit, the following procedures must be carried out to remove contamination from the A/C system. Failure to remove contamination from the A/C system, if present, will result in poor A/C performance and/or damage to the new A/C compressor and other components.
  • If A/C flushing equipment is available, carry out flushing of the A/C system prior to installing a new A/C compressor. For additional information, refer to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS .
  • If A/C flushing equipment is not available, carry out filtering of the A/C system after a new A/C compressor has been installed. For additional information, refer to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS .
  • Install a new Thermostatic Expansion Valve (TXV), as directed by the A/C flushing or filtering procedure.
  • Install a new receiver/drier as directed by the A/C flushing or filtering procedure.
NOTE: Installation of a new receiver/drier is not required when repairing the A/C system, except when there is physical evidence of contamination from a failed A/C compressor or damage to the receiver/drier. Damage to the receiver/drier includes leaks in the receiver/drier, physical damage to the receiver/drier shell or desiccant, or moisture contamination. Moisture contamination results only from a complete loss of refrigerant and equalization of the refrigerant system pressure with atmospheric pressure for a period longer than one hour. If even a slight amount of positive refrigerant pressure is present in the system before repairs are carried out, the receiver/drier should not be replaced.

All vehicles 

  1. Position the vehicle on a hoist with the gear selector in NEUTRAL. For additional information, refer to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS .
  2. If filtering of the refrigerant system has not been carried out, recover the refrigerant. For additional information, refer to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS .
  3. Remove the drive belt from the A/C compressor pulley. For additional information, refer to ACCESSORY DRIVE .

    5.8L (4V) vehicles 

  4. Disconnect the Crankshaft Position (CKP) sensor electrical connector.

    All vehicles 

  5. Remove the 2 A/C compressor fitting nuts and disconnect the fittings.
    • Discard the O-ring seals and gasket seals.
    • To install, tighten to 15 Nm (133 lb-ft).
  6. Remove the 3 bolts and lower the underbody shield.
    • To install, tighten to 10 Nm (89 lb-in).
      Fig 1: Locating Underbody Shield Mounting Bolts
      G07474057Courtesy of FORD MOTOR CO.
  7. Disconnect the A/C clutch field coil electrical connector and detach the wire harness from the A/C compressor studs and the rear of the A/C compressor.
  8. Remove the 3 A/C compressor stud-bolts.
    • To install, tighten to 25 Nm (18 lb-ft).
  9. To install, reverse the removal procedure.
    • If flushing of the A/C system is not to be carried out, add the correct amount of clean PAG oil to the refrigerant system. For additional information, refer to the REFRIGERANT OIL ADDING .
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