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 There should be a medium amount of resistance as it is withdrawn.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:
Seal
Special Tool(s)
Installer, Transmission
Extension Housing Oil Seal
308-227 (T94P-7657-A)
Slide Hammer
100-001 (T50T-100-A)
Remover, Bushing
307-001 (TOOL-1175-AC) or
Equivalent
Removal
1. With the vehicle in NEU ...
Vehicle identification number
The vehicle identification number
is located on the driver’s side
instrument panel.
Please note that in the graphic,
XXXX is representative of your
vehicle identification number.
The Vehicle Identification Number (VIN) contains the following
information:
...
Engine and Radiator Flushing
Special Tool(s)
Coolant System
Drain/Flush/Fill
164-R3673 or equivalent
Flush Kit
164-R3658 or equivalent
Drain Kit
164-R3662 or equivalent
Material
Item
Specification
Motorcraft Premium Cooling
...
