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 There should be a medium amount of resistance as it is withdrawn.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 Seal
Special Tool(s)
Impact Slide Hammer
100-001 (T50T-100-A)
Remover, Crankshaft Rear
Seal
303-519 (T95P-6701-EH)
Replacer, Rear Crankshaft
Seal
303-516 (T95P-6701-BH)
Spacer, Rear Crank Seal
Replacer
30 ...
Torque Converter (Disassembly and Assembly of Subassemblies)
1. A new or remanufactured torque converter must be installed if one or more
of the following
statements is true:
A torque converter malfunction has been determined based on complete
diagnostic
procedures.
Converter stud or studs, impeller hub or bushin ...
Exceptions To Normal Schedule
Yellow Coolant
Change coolant at 5 years or 160,000 km (100,000 miles) of the vehicle's
life, whichever comes
first.
After the initial change, change coolant every 3 years or 80,000 km
(50,000 miles) thereafter.
Natural Gas and Propane Vehicles
Insp ...
