Mustang Cobra V8-281 4.6L DOHC VIN V MFI (1997)
Companion Flange: Testing and Inspection
Runout
DESCRIPTION
Rear axle universal joint flange runout should be checked as a potential cause of vibration. Cause of excessive rear axle universal joint flange
runout is improper installation of the rear axle drive pinion seal. If the spring on the rear axle drive pinion seal is dislodged, it will jam up and cock
the rear axle universal joint flange. The flange should also be indexed before replacing the gearset because of flange runout.
PROCEDURE
1. Raise the vehicle on a hoist that supports the rear axle (twin post hoist).
2. Remove the driveshaft assembly.
3. Inspect the rear axle universal joint flange for damage.
4. Position Companion Flange Runout Gauge T92L-4851-B on rear axle universal joint flange.
5. Install Clamp Plate T92L-4851-C on runout gauge.
