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 There should be a medium amount of resistance as it is withdrawn.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 Main Bearing Journal - Clearance
Special Tool(s)
Plastigage
303-D031 (D81L-6002-B) or
equivalent
NOTE: Crankshaft main bearing journals must be within specifications
before checking journal
clearance.
1. Remove the crankshaft main bearing caps and crankshaft main bearing.
...
Removal
1. Remove the A/C compressor (19703). For additional information, refer to
Air Conditioning (A/C)
Compressor-3.8L or Air Conditioning (A/C) Compressor-4.6L in this section.
2. Remove the bolt.
1. Hold the A/C disc and hub assembly (19D786) with the special ...
Normal Schedule
The following checks or procedures should be carried out for all cars,
minivans, light trucks, sport
utilities, vans, 4x4s, natural gas and propane vehicles.
8,000 Km (5,000 Miles)
Change engine oil and install a new oil filter.
Rotate tires and inspect fo ...
