FORD MUSTANG 2003 Workshop Manual

10. Turn the tool handle clockwise to expand the tool tip inside the shaft seal.
11. Pull the seal from the A/C compressor.
Installation 1. CAUTION: To prevent refrigerant system contamination, do not allow dirt or other
foreign materials to enter the A/C compressor.
Clean the A/C compressor nose area.
2. Place the shaft seal on the special tool. Lubricate the shaft seal and the special tool with PAG oil or equivalent.
3. Position the shaft seal and the special tool over the A/C compressor shaft. Klj . 4 ba
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4. Using the special tool, push the shaft seal onto the A/C compressor shaft until seated.
5. Install the shaft seal snap ring.
6. Carry out the A/C compressor external leak test. For additional information, refer to Component
Tests in Section 412 - 00 .
7. Install the shaft seal felt.
8. Install the A/C clutch hub spacer. Klj . 5 ba
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9. Install the A/C disc and hub assembly.
10. Using the special tool, install the A/C disc and hub assembly retaining bolt.
11. Measure and adjust the clutch air gap by removing or adding spacers as needed.
12. Install the A/C compressor. For additional information, refer to Air Conditioning (A/C) Compressor — 3.8L or
Air Conditioning (A/C) Compressor — 4.6L in this section. Klj . 6 ba
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Klj . 7 ba
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REMOVAL AND INSTALLATION
Evaporator Core
Removal and Installation
NOTE:
The evaporator core is not separately serviceable, it is serviced only with the evaporator core
housing assembly.
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.
NOTE: If an evaporator core leak is suspected, the evaporator core must be leak tested before it is
removed from the vehicle. For additional information, refer to Section 412 - 00 .
1. Remove the evaporator core housing. For additional information, refer to Section 412 - 02 .
2. Transfer the components from the old evaporator core housing to the new evaporator core housing.
3. Install the evaporator core housing. For additional information, refer to Section 412 - 02 .
SECTION 412-
03: Air Conditioning 2003 Mustang Workshop Manual Klj . 1 ba
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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
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5. Remove the clamp nut.
6. Disconnect the suction accumulator from the evaporator outlet.
zDiscard the O- ring seals.
7. Remove the suction accumulator.
8. To install, reverse the removal procedure. zInstall new O- ring seals lubricated in clean PAG oil. Klj . 2 ba
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z
Lubricate the refrigerant system with the correct amount of clean PAG oil. For additional
information, refer to Section 412 - 00 .
9. Evacuate, leak test and charge the refrigerant system. For additional information, refer to Section 412 - 00 . Klj . 3 ba
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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
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5. Remove the A/C compressor pressure relief valve.
zDiscard the O- ring seal.
6. To install, reverse the removal procedure. zInstall a new O- ring seal lubricated in clean PAG oil.
7. Evacuate, leak test and charge the refrigerant system. For additional information, refer to Section 412 - 00 . Klj . 2 ba
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