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:
Safety Belts
PRINCIPLES OF OPERATION
WARNING: Always drive and ride with your seat back upright
and the lap belt snug and low across the hips
WARNING: To reduce the risk of injury, make sure children sit
where they can be properly restrained.
WARNING: Never let a passenger ...
Exhaust Manifold RH
Special Tool(s)
Lifting Bracket, Engine
303-D088 (D93P-6001-A2)
Support Bar, Engine
303-290-A
Removal and Installation
1. Install the special tool.
2. Install the special tools.
3. Raise and support the vehicle. For additional ...
Spark Plug Wire
Special Tool(s)
Remover, Spark Plug Wire
303-106 (T74P-6666A)
Material
Item
Specification
Silicone Brake Caliper Grease
and Dielectric Compound
D7AZ-19A331-A or equivalent
ESE-M1C171-
A
Removal and Installation
CAUTION: ...
