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 There should be a medium amount of resistance as it is withdrawn.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:
Plenum Chamber
Removal
1. Remove the instrument panel. For additional information, refer to Section.
2. Remove the audio unit. For additional information, refer to Section.
3. If equipped, remove the CD player. For additional information, refer to
Section.
4. Remove the ...
Warning Indicator Bulb
Removal and Installation
1. Remove the instrument cluster. Refer to Instrument Cluster in this
section.
2. Remove the necessary instrument cluster bulbs by rotating one quarter
turn counterclockwise.
3. To install, reverse the removal procedure.
...
Installation
1. NOTE: Inspect the spring insulators for wear or damage. Install new
spring insulators if
necessary.
Make sure the spring insulators are correctly installed on the springs.
2. Install the springs.
1. Position the springs.
2. Raise the subframe using ...
