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 There should be a medium amount of resistance as it is withdrawn.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:
Crankshaft Rear Oil Seal
Special Tool(s)
Installer, Crankshaft Rear Oil
Seal
303-518 (T95P-6701-DH)
Remover, Crankshaft Rear Oil
Seal
303-519 (T95P-6701-EH)
Installer, Crankshaft Rear Oil
Seal
303-516 (T95P-6701-BH)
Remover ...
Link - Stabilizer Bar
Removal
CAUTION: Suspension fasteners are critical parts because they affect
performance of vital
components and systems and their failure can result in major service expense. A
new part with
the same part number or an equivalent part must be installed, if i ...
Component Tests
Brake Booster
1. Check the hydraulic brake system for leaks or insufficient fluid.
2. With the transmission (7003) in NEUTRAL, stop the engine (6007) and
apply the parking brake
control (2780). Apply the brake pedal several times to exhaust all
va ...
