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 There should be a medium amount of resistance as it is withdrawn.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:
Installation
Using special tool 205-024
NOTE: This is the preferred method for installing the pinion bearing
cups. If necessary, proceed to
Using special tools 205-153, 205-024, 205-231, and 205-D055 in this procedure
for an alternate
method.
1. Position the special too ...
Muffler - 3.8L
Removal and Installation
1. Raise and support the vehicle. For additional information, refer to
Section.
2. Support the rear axle with a suitable jack.
3. Remove the upper arm-to-differential bolt.
4. Remove the nut and bolt and disconnect the rear shock ...
Striker Adjustment
NOTE: After adjusting the door latch striker plate, verify that the
door can be closed easily and fits
tightly.
1. Loosen the door latch striker plate bolts.
2. Reposition the door latch striker plate from side to side or up and down
as necessary.
...
