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 There should be a medium amount of resistance as it is withdrawn.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:
Extension Housing
Special Tool(s)
Installer, Bearing Cup
204-039 (T77F-1217-B)
Adapter for 303-224 (Handle)
205-153 (T80T-4000-W)
Disassembly and Assembly
1. Remove the bolt and the output shaft speed (OSS) sensor.
2. Remove the bolt a ...
Brake Booster - Hydro-Boost (Removal and Installation)
Special Tool(s)
Installer Set, Teflon Seal
211-D027 (D90P-3517-A) or
equivalent
Removal
WARNING: The power brake booster should not be carried by the
accumulator, nor
should it ever be dropped on the accumulator. Check the snap ring on th ...
Oil Pan
Special Tool(s)
3 Bar Engine Support Kit
303-F072
Lifting Bracket Set, Engine
303-D095 (D94L-6001-A) or
equivalent
Material
...
