Ford Mustang (1999-2004) Service Manual: Air Conditioning (A/C) Pressure Relief Valve - 3.8L
Material
| Item | Specification |
| PAG Refrigerant Compressor Oil (R-134a Systems) F7AZ-19589-DA (Motorcraft YN- 12-C) | WSH-M1C231- B |
Removal and Installation
1. Recover the refrigerant. For additional information, refer to Section.
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.

5. Remove the A/C compressor pressure relief valve.
- Discard the O-ring seal.

6. To install, reverse the removal procedure.
- Install 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.
Suction Accumulator
Material
Item
Specification
PAG Refrigerant Compressor
Oil (R-134a Systems)
F7AZ-19589-DA (Motorcraft YN-
12-C)
WSH-M1C231-
B
Removal and Installation
1. Recover the refriger ...
Air Conditioning (A/C) Pressure Relief Valve - 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
NOTE: Installation of a ...
Other materials:
Axle Housing
Removal and Installation
1. CAUTION: The vehicle must be on level ground and at curb height.
Mark the rear shock absorbers relative to their protective sleeve.
During installation, raise the suspension to this reference mark
before tightening the
s ...
Communications Network (Diagnosis and Testing)
Refer to Wiring Diagrams Cell 14 , Multiplex Communication Network for
schematic and connector
information.
Special Tool(s)
73 Digital Multimeter or
equivalent
105-R0051
Worldwide Diagnostic System
(WDS)
418-F224,
New Genera ...
Exceptions To Normal Schedule
Yellow Coolant
Change coolant at 5 years or 160,000 km (100,000 miles) of the vehicle's
life, whichever comes
first.
After the initial change, change coolant every 3 years or 80,000 km
(50,000 miles) thereafter.
Natural Gas and Propane Vehicles
Insp ...
