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 There should be a medium amount of resistance as it is withdrawn.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:
Subwoofer Amplifier - Mach 1000
Removal and Installation
1. Remove the subwoofer assembly.
1. Remove the two attaching nuts.
2. Remove the screw.
3. Disconnect the electrical connectors.
2. Remove the subwoofer amplifiers.
Remove the bracket-to-body attaching nuts. ...
Pinpoint Tests
CAUTION: Before removing and installing the GEM or its connectors,
disconnect the
battery. Failure to follow this caution will result in the GEM storing many
erroneous DTCs and it
may exhibit erratic operation after installation.
CAUTION: Be careful when pr ...
Door Speaker - Upper
Removal and Installation
1. Remove the front door trim panels (239420). For additional
information, refer to Section
2. Remove the upper speaker access cover.
3. Remove the upper speaker housing.
1. Remove the screw.
2. Remove the upper spea ...
