Ford Mustang (1999-2004) Service Manual: Air Conditioning Line (Peanut) Fitting
Disconnect
1. CAUTION: Support the female fitting with a wrench to prevent the tubes from twisting.
Remove the nut from the peanut fitting.

2. Pull the peanut fitting apart.

3. CAUTION: Do not use metal tools to remove the O-ring seal. They can cause axial scratches across the O-ring seal groove, resulting in refrigerant leaks.
Remove the O-ring seal with a non-metallic tool.

Connect
1. Clean all dirt or foreign material from the fittings.
2. CAUTION: Use only the new O-ring seals. The use of any O-ring seals other than those specified in the Ford Master Parts Catalog may result in intermittent leakage during vehicle operation.
Install the O-ring seal.
- Lubricate the O-ring seal with PAG Refrigerant Compressor Oil (R-134a Systems) F7AZ- 19589-DA (Motorcraft YN-12-C) or equivalent meeting Ford specification WSH-M1C231- B.

3. Lubricate the inside of the fittings with PAG Refrigerant Compressor Oil (R-134a Systems) F7AZ-19589-DA (Motorcraft YN-12-C) or equivalent meeting Ford specification WSH-M1C231- B.
4. NOTE: When correctly assembled, the male and female fittings should be flush.
Assemble the male and female fittings together.

Heater Hose Coupling
Special Tool(s)
Remover, Heater Hose Inlet
Tube
412-042 (T85T-18539-AH)
Disconnect Tool, Heater Hose
412-127
Material
Item
Specification
MERPOL
-
ESE-M ...
Refrigerant System Tests
Special Tool(s)
R-134a Manifold Gauge Set
176-R032A or equivalent
1. Connect the R-134a Manifold Gauge Set. For additional information, refer
to Manifold Gauge
Set Connection in this ...
Other materials:
Power seats
WARNING: Never adjust the driver’s seat or seat back when the
vehicle is moving.
WARNING: Before returning the seat back to its original
position, make sure that cargo or any objects are not trapped
behind the seat back.
The power seat control is located
on ...
Heating and Defrosting
The heating and defrosting system has the following features:
Controls the temperature and, during A/C operation, reduces the relative
humidity of the air
inside the vehicle.
Delivers heated or cooled air to maintain the vehicle interior
temperature an ...
Removal
NOTE: This procedure applies to both the LH and RH halfshafts.
1. CAUTION: The vehicle must be on level ground and at curb height.
Mark the rear shock absorber relative to the protective sleeve.
During installation, raise the suspension to this reference ...
