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 There should be a medium amount of resistance as it is withdrawn.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:
Rear Bumper
Removal and Installation
All vehicles
1. Remove the rear bumper cover. For additional information, refer to Rear
Bumper Cover in this
section.
2. Remove the rear bumper cover isolator.
Vehicles with 4.6L engines
3. Remove the bolts and the exhaust outlet pip ...
Tire Wear Chart
Wheel and tire NVH concerns are directly related to vehicle speed and are not
generally affected by
acceleration, coasting or decelerating. Also, out-of-balance wheel and tires can
vibrate at more than
one speed. A vibration that is affected by the engine ...
NVH Condition and Symptom Categories
A good diagnostic process is a logical sequence of steps that lead to the
identification of a causal
system. Use the condition and symptom categories as follows:
Identify the operating condition that the vehicle is exhibiting.
Match the operating condition ...
