Ford Mustang (1999-2004) Service Manual: 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 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.
2. Raise the vehicle. For additional information, refer to Section.
3. Remove the A/C compressor pressure relief valve (19D644).
- Discard the O-ring seal.

4. To install, reverse the removal procedure.
- Install a new O-ring seal lubricated in clean PAG oil.
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 refriger ...
Condenser Core
Material
Item
Specification
PAG Refrigerant Compressor
Oil (R-134a Systems)
F7AZ-19589-DA (Motorcraft YN-
12-C)
WSH-M1C231-
B
Removal and Installation
NOTE: If an A/C condens ...
Other materials:
Range Selection
The transmission has six range positions: P, R, N, (D), 2 and 1.
Park
In the PARK position:
there is no powerflow through the transmission.
the parking pawl locks the output shaft to the case.
the engine can be started.
the ignition key can ...
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 refrigerant. For additional information, refer to Section.
2. Disco ...
Valve Tappets
Material
Removal
CAUTION: If removing more than one valve tappet, mark the
components removed for
correct location.
1. Remove the lower intake manifold. For additional information, refer to
Lower Intake Manifold in
this section.
2. Remove the push r ...
