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 There should be a medium amount of resistance as it is withdrawn.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:
Component Tests
Driveline Vibration
An analysis of driveline vibration can also be conducted using the Vibration
Analyzer; follow the
manufacturer's directions.
Driveline vibration exhibits a higher frequency and lower amplitude than does
high-speed shake.
Driveline vibra ...
Pinpoint Tests
PINPOINT TEST A: THE CONTROL ILLUMINATION IS INOPERATIVE
Test Step
Result / Action to Take
A1 CHECK PARKING LAMPS
YesPlace the headlamp switch in the OFF
position.
GO to A2 .
No
REFER to Section.
Place the headlamp switch ...
Child restraint and safety belt maintenance
Inspect the vehicle safety belts and child safety seat systems periodically
to
make sure they work properly and are not damaged. Inspect the vehicle
and child seat safety belts to make sure there are no nicks, tears or cuts.
Replace if necessary. All vehicle ...
