Ford Mustang (1999-2004) Service Manual: Air Conditioning (A/C) Compressor - 4.6L

Material

Item Specification
PAG Refrigerant Compressor Oil (R-134a Systems) F7AZ-19589-DA (Motorcraft YN- 12-C) WSH-M1C231- B

Removal and Installation

CAUTION: If installing a new air conditioning compressor due to an internal failure of the old unit, you must carry out the following procedures to remove contamination from the air conditioning system.

  • If A/C flushing equipment is available, carry out the flushing of the air conditioning system prior to installing a new air conditioning compressor. For additional information, refer to Section.
  • If A/C flushing equipment is not available, carry out filtering of the air conditioning system after a new air conditioning compressor has been installed. For additional information, refer to Section.
  • Install a new evaporator core orifice (19D990), as directed by the A/C flushing or filtering procedure.
  • Install a new suction accumulator (19C836), as directed by the A/C flushing or filtering procedure.

NOTE: Installation of a new suction accumulator is not required when repairing the air conditioning system except when there is physical evidence of system contamination from a failed A/C compressor or damage to the suction accumulator.

1. If flushing of the air conditioning system has not been performed, recover the refrigerant. For additional information, refer to Section.

2. Remove the drive belt from the A/C compressor pulley.

3. Raise the vehicle. For additional information, refer to Section.

4. Disconnect the A/C compressor electrical connector.

Air Conditioning (A/C) Compressor - 4.6L

5. Remove the bolt and detach the manifold and tube assembly.

Air Conditioning (A/C) Compressor - 4.6L

6. Remove the compressor.

1. Remove the bolts.

2. Remove the compressor.

Air Conditioning (A/C) Compressor - 4.6L

7. To install, reverse the removal procedure.

  • Install new O-ring seals lubricated in clean PAG oil.
  • If filtering of the refrigerant system is not to be performed, lubricate the refrigerant system with the correct amount of clean PAG oil. For additional information, refer to Section.

8. If filtering of the refrigerant system is not to be performed, evacuate, leak test and charge the refrigerant system. For additional information, refer to Section.

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