Ford Mustang (1999-2004) Service Manual: Pressure Plate Check
1. Check the clutch pressure plate surface for scoring, cracks or discoloration. Minor scratches or discoloration should be removed with a fine emery cloth.
2. Measure the flatness of the clutch pressure plate surface with a straightedge and a feeler gauge.

3. Check the diaphragm spring fingers for discoloration, scoring, bent or broken segments and spring ends that are higher or lower than the rest.
4. Measure the wear of the diaphragm spring fingers.

Flywheel Check
1. Check the flywheel surface for scoring, cracks or discoloration. Minor scratches or discoloration should be removed with a fine emery cloth.
Disc Check
Special Tool(s)
Brake/Automobile Brake Drum
System with Vacuum
164-R3622 or equivalent
Dial Indicator/Magnetic Base
100-D002 (D78P-4201-B) or
equivalent
WARNING: Dust ...
Flywheel Runout Check
Special Tool(s)
Dial Indicator/Magnetic Base
100-D002 (D78P-4201-B) or
equivalent
1. Mount the special tool so that the indicator contact point rides on the
clutch disc contact surf ...
Other materials:
Pinpoint Test J: LFC 34/DTC B1934 - Driver Air Bag Circuit Resistance Low
Normal Operation
The restraints control module (RCM) monitors the resistance of the driver
air bag ignitor by measuring
the resistance between pins 3 and 4. If the RCM detects low resistance
between these pins, it will
store a diagnostic trouble code (D ...
Functionality
With the ignition switch in the RUN position, voltage is applied
through the warning indicator I circuit
904 (LG/RD) to the voltage regulator. This turns the regulator on,
allowing current to flow from battery
sense A circuit 36 (YE/WH) to the genera ...
Ignition switch
A. Off: The ignition is off.
Note: When you switch the ignition off and leave your vehicle, do not
leave your key in the ignition. This could cause your vehicle battery to
lose charge.
B. Accessory: Allows the electrical accessories such as the radio to
ope ...
