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 There should be a medium amount of resistance as it is withdrawn.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:
Component Test
Carry out the appropriate Functional Test(s) as determined in Inspection and
Verification.
Functional Test I (Buckle and Tongue)
The safety belt buckle and tongue assembly must operate freely during the
latching and unlatching
function. Fasten the safety bel ...
Washer fluid check
WARNING: If you operate your vehicle in temperatures below
40°F (5°C), use washer fluid with antifreeze protection. Failure
to use washer fluid with antifreeze protection in cold weather could
result in impaired windshield vision and increase the risk of inj ...
Instrument lighting dimmer
• Move the control up or down to
adjust the intensity of the panel
lighting.
• Move the control to the full
upright position, past detent,
to turn on the interior lamps.
• Move the control down, past
detent, to turn off the interior
lights.
Note: The pa ...
