Ford Mustang (1999-2004) Service Manual: Index Card
Place an index card or a piece of paper between the weatherstrip and the sealing surface, then close the door. Slowly withdraw the index card or paper after the door is closed and check the amount of pressure on the weatherstrip. There should be a medium amount of resistance as it is withdrawn.
Continue around the entire seal area. If there is little or no resistance, this indicates insufficient contact to form a good seal. At these points, the door, the glass, or the weatherstrip is out of alignment.

Tracing Powder
Tracing powder is used to check both the uniformity of contact and the
tension of a seal against its
sealing surface. These tests are usually done when a suspected air leak/noise
appears to originat ...
Noise, Vibration and Harshness (NVH) (Diagnosis and Testing)
Special Tool(s)
ChassisEAR
107-R2102 or equivalent
Electronic Vibration Analyzer
100-F027 (014-00344) or
equivalent
EngineEAR
107-R2100 or equivalent
...
Other materials:
Lamp Switch - Headlamp
Removal
1. Disconnect the battery ground cable.
2. Remove the headlamp switch knob.
1. Pull the headlamp switch knob out.
2. Insert a thin tool into the slot, pull and remove the headlamp switch
knob.
3. Remove the instrument panel cluster fin ...
Window Glass - Quarter, Convertible
Removal
1. Remove the quarter trim panel. For additional information, refer
to Section.
2. Disconnect the connectors and remove the screw.
3. Remove the screw.
4. Remove the screw and the speaker.
5. Disconnect the electrical connector.
6. Remo ...
Removal
1. Disconnect the battery ground cable. For additional information, refer
to Section.
2. Raise and support the vehicle. For additional information, refer to
Section.
3. Place a drain pan under the transmission fluid pan.
4. Drain transmission fluid.
...
