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 There should be a medium amount of resistance as it is withdrawn.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:
Engine Front Cover
Material
Item
Specification
Metal Surface Cleaner
F4AZ-19A536-RA or equivalent
WSE-M5B392-
A
Silicone Gasket and Sealant
F7AZ-19554-EA or equivalent
WSE-M4G323-
A4
SAE 5W-30 Premium Synthetic
Blend Motor Oil
XO-5W30-QSP ...
Cable and Conduit - Front
Removal
1. CAUTION: If any component in the parking brake system requires
repair or if the
rear axle housing (4010) is removed, the cable tension must be released.
Release the cable tension. For additional information, refer to Parking
Brake Cable Tens ...
Fuel quality
Note: Use of any fuel other than those recommended may cause
powertrain damage and a loss of vehicle performance; repairs may not be
covered under warranty.
Choosing the Right Fuel
Use only unleaded fuel or unleaded fuel blended with a maximum of
15% ethanol. ...
