Ford Mustang (1999-2004) Service Manual: Air Conditioning (A/C) Compressor - 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
CAUTION: If installing a new air conditioning compressor due to an internal failure of the old unit, you must carry out the following procedures to remove contamination from the air conditioning system.
- If A/C flushing equipment is available, carry out the flushing of the air conditioning system prior to installing a new air conditioning compressor. For additional information, refer to Section.
- If A/C flushing equipment is not available, carry out filtering of the air conditioning system after a new air conditioning compressor has been installed. For additional information, refer to Section.
- Install a new evaporator core orifice (19D990), as directed by the A/C flushing or filtering procedure.
- Install a new suction accumulator (19C836), as directed by the A/C flushing or filtering procedure.
NOTE: Installation of a new suction accumulator is not required when repairing the air conditioning system except when there is physical evidence of system contamination from a failed A/C compressor or damage to the suction accumulator.
1. If flushing of the air conditioning system has not been performed, recover the refrigerant. For additional information, refer to Section.
2. Remove the drive belt from the A/C compressor pulley.
3. Raise the vehicle. For additional information, refer to Section.
4. Disconnect the A/C compressor electrical connector.

5. Remove the bolt and detach the manifold and tube assembly.

6. Remove the compressor.
1. Remove the bolts.
2. Remove the compressor.

7. To install, reverse the removal procedure.
- Install new O-ring seals lubricated in clean PAG oil.
- If filtering of the refrigerant system is not to be performed, lubricate the refrigerant system with the correct amount of clean PAG oil. For additional information, refer to Section.
8. If filtering of the refrigerant system is not to be performed, evacuate, leak test and charge the refrigerant system. For additional information, refer to Section.
Air Conditioning (A/C) Compressor - 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
CAUTION: If installing ...
Air Conditioning (A/C) Compressor Bracket - 3.8L
Removal and Installation
1. Remove the A/C compressor (19703). For additional information, refer to
Air Conditioning (A/C)
Compressor-3.8L in this section.
2. Remove the three bolts and one nut.
3 ...
Other materials:
Inspection and Verification
1. Verify the customer concern is with the evaporative emission (EVAP)
system.
2. Visually inspect for the following obvious signs of mechanical damage.
Visual Inspection Chart
Mechanical
Fuel filler cap
EVAP test port
...
Installation
1. CAUTION: Do not allow grease, oil, brake fluid or other
contaminants to contact the
pad lining material. Do not install contaminated pads.
NOTE: Install all hardware supplied with pad kits.
Install the pads.
1. Install the new pad slippers. ...
Lighting control
A. Off
B. Parking lamps, instrument panel
lamps, license plate lamps and tail
lamps
C. Headlamps
High Beams
• Push the lever toward the
instrument panel to switch
on the high beams.
• Pull the lever toward you to
switch of the high beams.
Headlamp Flashe ...
