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 There should be a medium amount of resistance as it is withdrawn.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:
Safety Belt System (Description and Operation)
WARNING: All safety belt assemblies include retractors, buckles, front
seat belt buckle
support assemblies (slide bar, if so equipped), shoulder belt height adjuster
(if equipped), child
safety seat tether bracket assemblies (if equipped) and attaching hardw ...
Spark Plug Wire
Special Tool(s)
Remover, Spark Plug Wire
303-106 (T74P-6666A)
Material
Item
Specification
Silicone Brake Caliper Grease
and Dielectric Compound
D7AZ-19A331-A or equivalent
ESE-M1C171-
A
Removal and Installation
CAUTION: ...
Removal
1. Remove the differential assembly from the differential housing. For
additional information, refer
to Differential Case in this section.
2. CAUTION: Record the torque necessary to maintain rotation of the drive
pinion gear
through several revolutions prio ...
