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 There should be a medium amount of resistance as it is withdrawn.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:
Brake Pads - Cobra
Removal
1. Remove brake fluid in the master cylinder reservoir until the
reservoir is half full.
2. Raise and support the vehicle.
3. Remove the tire and wheel assembly.
4. CAUTION: Install new pads if worn to or past the specified
thi ...
Piston - Ring-to-Groove Clearance
1. Inspect the piston for ring land damage or accelerated wear.
2. Measure the piston ring-to-groove clearance.
Refer to the appropriate section in Group for the procedure.
If out of specification, install new components as necessary. Refer
to the a ...
Inspection and Verification
1. Verify the customer concern.
2. Visually inspect for obvious signs of electrical damage.
Visual Inspection Chart
Electrical
Central junction box (CJB) Fuse 31 (5A)
Damaged wiring harness
Loose or corroded connections
...
