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 There should be a medium amount of resistance as it is withdrawn.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:
Washer fluid check
WARNING: If you operate your vehicle in temperatures below
40°F (5°C), use washer fluid with antifreeze protection. Failure
to use washer fluid with antifreeze protection in cold weather could
result in impaired windshield vision and increase the risk of inj ...
Push Rod
Removal
CAUTION: Mark the components removed for correct location.
1. Remove the rocker arms (6564). For additional information, refer to
Rocker Arm in this section.
2. Remove the push rods (6565).
3. Inspect the components. For additional information, ...
Input Shaft and Bearing
Special Tool(s)
Remover, Driver Pinion
Bearing Cone
205-D002 (D79L-4621-A) or
equivalent
Installer, Drive Pinion Bearing
Cone
205-011 (T57L-4621-B)
Remover/Installer, Bearing
Tube
308-024 (T75L-7025-B)
Disas ...
