Ford Mustang (1999-2004) Service Manual: Connect
1. Install the A/C tube lock coupling spring.

2. Lubricate the inside of the coupling with PAG Refrigerant Compressor Oil (R-134a Systems) or equivalent.

3. 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 seals.
- Lubricate the O-ring seals with PAG Refrigerant Compressor Oil (R-134a Systems) or equivalent.

4. Connect the spring lock coupling fittings with a twisting motion until the A/C tube lock coupling spring snaps over the flared end of the female fitting.

5. Install the A/C tube lock coupling clip.

Cleaning
1. Fabricate a cleaning tool from a 1/8 inch diameter brazing rod.
2. Cut an abrasive pad from maroon colored 3M Scotch Brite with the
dimensions corresponding
to the coupling size.
3. Assemble th ...
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 ...
Other materials:
Four Wheel Anti-Lock Brake System (4WABS) Hydraulic Control Unit (HCU)
NOTE: This procedure only needs to be performed if the 4-wheel
anti-lock brake (4WABS) hydraulic
control unit (HCU) has been installed new or if the HCU lines have been
opened.
1. Clean all dirt from and remove the brake master cylinder filler cap
...
Overdrive Servo
Special Tool(s)
Remover/Installer, Servo
Piston
307-251 (T92P-70023-A)
Removal
1. Remove the main control valve body. For additional information, refer
to Main Control Valve
Body in this section.
2. NOTE: If the tool is not available, e ...
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 axi ...
