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 There should be a medium amount of resistance as it is withdrawn.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.

Index Card

    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
    WARNING: To reduce the risk of serious personal injury, read and follow all warnings, cautions and notes at the beginning of the removal procedure. 1. Disconnect the battery ground cable and wait at least one minute. For additional information, re ...

    Pinpoint Test B: LFC 21/DTC B1921 - RCM Bracket Ground Resistance High
    Normal Operation WARNING: The tightening torque of the restraints control module (RCM) retaining bolts is critical for proper air bag supplemental restraint system (SRS) operation. Refer to Restraints Control Module (RCM) in this section for correc ...

    Symptom Chart
    Condition Possible Sources Action Difficult starting Damaged ignition system. Damaged fuel system. Damaged starting system. Damaged charging system/battery. Burnt valve. Worn piston. Worn pi ...