Page 3206 of 4378
REMOVAL AND INSTALLATION
Suction Accumulator
Removal and Installation
1. Recover the refrigerant. For additional information, refer to Section 412 - 00 .
2. Disconnect the A/C cycling switch electrical connector.
3. Remove the cycling switch.
4. Disconnect the suction line spring lock coupling. zDiscard the O- ring seals.
SECTION 412-
03: Air Conditioning 2003 Mustang Workshop Manual Material
Item Specification
PAG Refrigerant Compressor
Oil (R-
134a Systems)
F7AZ- 19589- DA (Motorcraft YN-
12- C) WSH-
M1C231-
B Klj . 1 ba
32003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_5108/S3B~us~en~ ...
Page 3209 of 4378
REMOVAL AND INSTALLATION
Air Conditioning (A/C) Pressure Relief Valve —
3.8L
Removal and Installation 1. Recover the refrigerant. For additional information, refer to Section 412 - 00 .
2. Unlatch the breather.
3. Disconnect the mass air flow (MAF) sensor electrical connector.
4. Remove the air cleaner outlet tube. 1. Loosen the clamp.
2. Disconnect the crankcase ventilation tube.
3. Remove the air cleaner outlet tube.
SECTION 412-
03: Air Conditioning 2003 Mustang Workshop Manual Material
Item Specification
PAG Refrigerant Compressor
Oil (R-
134a Systems)
F7AZ- 19589- DA (Motorcraft YN-
12- C) WSH-
M1C231-
B Klj . 1 ba
22003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_5108/S3B~us~en~ ...
Page 3211 of 4378

REMOVAL AND INSTALLATION
Air Conditioning (A/C) Pressure Relief Valve —
4.6L
Removal and Installation
NOTE: Installation of a new suction accumulator is not required when repairing the air conditioning
system except when there is physical evidence of contamination from a failed A/C compressor or
damage to the suction accumulator.
1. Recover the refrigerant. For additional information, refer to Section 412 - 00 .
2. Raise the vehicle. For additional information, refer to Section 100 - 02 .
3. Remove the A/C compressor pressure relief valve (19D644). zDiscard the O- ring seal.
4. To install, reverse the removal procedure. zInstall a new O- ring seal lubricated in clean PAG oil.
SECTION 412-
03: Air Conditioning 2003 Mustang Workshop Manual Material
Item Specification
PAG Refrigerant Compressor
Oil (R-
134a Systems)
F7AZ- 19589- DA (Motorcraft YN-
12- C) WSH-
M1C231-
B Klj . 1 ba
22003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_5108/S3B~us~en~ ...
Page 3213 of 4378

REMOVAL AND INSTALLATION
Condenser Core
Removal and Installation
NOTE:
If an A/C condenser core leak is suspected, the A/C condenser core must be leak tested
before it is removed from the vehicle. For additional information, refer to Section 412 - 00 .
NOTE: Installation of a new suction accumulator is not required when repairing the air conditioning
system except when there is physical evidence of contamination from a failed A/C compressor or
damage to the suction accumulator.
All vehicles
1. Recover the refrigerant. For additional information, refer to Section 412 - 00 .
2. Remove the pin- type retainers and remove the upper radiator sight shield.
3. Remove the air cleaner and air cleaner outlet tube. For additional information, refer to Section 303 - 12 .
4.6L (2V), 4.6L (4V) vehicles 4. Remove the bolts and position the coolant bottle aside.
SECTION 412-
03: Air Conditioning 2003 Mustang Workshop Manual Material
Item Specification
PAG Refrigerant Compressor
Oil (R-
134a Systems)
F7AZ- 19589- DA (Motorcraft YN-
12- C) WSH-
M1C231-
B Klj . 1 ba
52003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_5108/S3B~us~en~ ...
Page 3218 of 4378
REMOVAL AND INSTALLATION
Compressor Manifold and Tube Assembly —
3.8L
Removal and Installation
NOTE: Installation of a new suction accumulator is not required when repairing the air conditioning
system except when there is physical evidence of contamination from a failed A/C compressor or
damage to the suction accumulator.
1. Recover the refrigerant. For additional information, refer to Section 412 - 00 .
2. Unlatch the air breather.
3. Disconnect the mass air flow (MAF) sensor electrical connector.
4. Remove the air cleaner outlet tube. 1. Loosen the clamp.
2. Disconnect the crankcase ventilation tube.
3. Remove the air cleaner outlet tube.
SECTION 412-
03: Air Conditioning 2003 Mustang Workshop Manual Material
Item Specification
PAG Refrigerant Compressor
Oil (R-
134a Systems)
F7AZ- 19589- DA (Motorcraft YN-
12- C) WSH-
M1C231-
B Klj . 1 ba
42003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_5108/S3B~us~en~ ...
Page 3222 of 4378
REMOVAL AND INSTALLATION
Compressor Manifold and Tube Assembly —
4.6L
Removal and Installation
NOTE: Installation of a new suction accumulator is not required when repairing the air conditioning
system except when there is physical evidence of contamination from a failed A/C compressor or
damage to the suction accumulator.
1. Recover the refrigerant. For additional information, refer to Section 412 - 00 .
2. Disconnect the suction line spring lock coupling. zDiscard the O- ring seals.
3. Remove the A/C muffler bracket nut.
4. Disconnect the spring lock coupling. zDiscard the O- ring seals.
SECTION 412-
03: Air Conditioning 2003 Mustang Workshop Manual Material
Item Specification
PAG Refrigerant Compressor
Oil (R-
134a Systems)
F7AZ- 19589- DA (Motorcraft YN-
12- C) WSH-
M1C231-
B Klj . 1 ba
32003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_5108/S3B~us~en~ ...
Page 3225 of 4378

REMOVAL AND INSTALLATION
Suction Accumulator to Compressor Line —
4.6L
Removal and Installation
NOTE: Installation of a new suction accumulator is not required when repairing the air conditioning
system except when there is physical evidence of contamination from a failed A/C compressor or
damage to the suction accumulator.
1. Recover the refrigerant. For additional information, refer to Section 412 - 00 .
2. Remove the air cleaner outlet tube. For additional information, refer to Section 303 - 12 .
3. Disconnect the spring lock coupling at the suction accumulator. zDiscard the O- ring seals.
4. Disconnect the spring lock coupling at the compressor manifold. zDiscard the O- ring seals. 5. Remove the suction accumulator to compressor line. SECTION 412-
03: Air Conditioning 2003 Mustang Workshop Manual Material
Item Specification
PAG Refrigerant Compressor
Oil (R-
134a Systems)
F7AZ- 19589- DA (Motorcraft YN-
12- C) WSH-
M1C231-
B Klj . 1 ba
22003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_5108/S3B~us~en~ ...
Page 3227 of 4378
REMOVAL AND INSTALLATION
Compressor to Condenser Discharge Line —
4.6L
Removal and Installation
NOTE: Installation of a new suction accumulator is not required when repairing the air conditioning
system except when there is physical evidence of contamination from a failed A/C compressor or
damage to the suction accumulator.
1. Recover the refrigerant. For additional information, refer to Section 412 - 00 .
2. Disconnect the dual- function pressure switch electrical connector and remove the switch.
3. Remove the A/C muffler bracket nut.
4. Disconnect the fitting at the condenser. zDiscard the O- ring seal.
SECTION 412-
03: Air Conditioning 2003 Mustang Workshop Manual Material
Item Specification
PAG Refrigerant Compressor
Oil (R-
134a Systems)
F7AZ- 19589- DA (Motorcraft YN-
12- C) WSH-
M1C231-
B Klj . 1 ba
32003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_5108/S3B~us~en~ ...