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 There should be a medium amount of resistance as it is withdrawn.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:
Inspection and Verification
CAUTION: Do not hold the steering wheel (3600) at the stops for an
extended amount of
time. Damage to the power steering pump (3A674) will result.
NOTE: Make the following preliminary checks before repairing the
steering system:
1. Verify the customer conce ...
Removal
1. Disconnect the battery ground cable.
2. Remove the air cleaner outlet tube. For additional information, refer to
Section.
3. Remove the radiator sight shield.
4. Install the special tool.
5. Using the special tools, support the engine.
6. Raise and sup ...
Manual Transmission
The TR3650 five-speed manual transmission features the following:
The fifth speed gear functions as an overdrive gear.
The forward gears are synchronized and helical cut.
The reverse gear operates through a constant-mesh, fully
synchronized system.
...
