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 There should be a medium amount of resistance as it is withdrawn.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:
Installation
1. CAUTION: Do not use metal scrapers, wire brushes, power abrasive
discs or other
abrasive means to clean the sealing surfaces. These tools cause scratches and
gouges
which make leak paths. Use a plastic scraping tool to remove all traces of old
sealant.
...
Interior Trim Codes
The interior trim codes are listed below. The first letter/number is for the
interior fabric. The second
letter is for the interior color.
9 - Quantum/Rhodes cloth (base coupe)
A - Link weave cloth (Mach One)
M - Nudo Leather (Cobra)
T - Lea cloth with ...
Differential Case and Ring Gear
Special Tool(s)
2-Jaw Puller
205-D072 (D97L-4221-A) or
equivalent
Installer, Differential Side
Bearing
205-009 (T57L-4221-A1)
Step Plate
205-D016 (D80L-630-5) or
equivalent
...
