Ford Mustang (1999-2004) Service Manual: Disconnect
1. Remove the A/C tube lock coupling clip (19E746), if equipped.

2. Fit the special tool to the spring lock coupling.

3. Push the tool into the cage opening to release the female fitting from the A/C tube lock coupling spring (19E576).

4. Pull the spring lock coupling fittings apart.

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

6. CAUTION: Do not use a screwdriver or similar tool to remove the A/C tube lock coupling spring; this can cause axial scratches across the O-ring seal grooves resulting in refrigerant leaks.
Remove the A/C tube lock coupling spring with a small hooked wire.

Spring Lock Coupling
Special Tool(s)
Remover, Refrigerant Coupling
Set
412-039 (T84L-19623-B)
...
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 ...
Other materials:
Chuckle
Chuckle that occurs on the coast driving phase is usually caused by excessive
clearance between the
differential gear hub and the differential case bore.
Damage to a gear tooth on the coast side can cause a noise identical to a
chuckle. A very small tooth
n ...
Piston - Ring End Gap
CAUTION: Use care when fitting piston rings to avoid possible damage to
the piston ring
or the cylinder bore.
CAUTION: Piston rings should not be transferred from one piston to another.
NOTE: Cylinder bore must be within specification for taper and
out-of ...
Installation
1. CAUTION: In order to prevent foreign material from contaminating
the engine block
or the engine front cover it is necessary to seal the coolant and oil
passages of both
components. Failure to follow these directions will result in engine damage.
CAU ...
