F 150 2WD Pickup V6-4.2L VIN 2 (1997)
Universal Joint: Component Tests and General Diagnostics
WARNING: THE ELECTRICAL POWER TO THE AIR SUSPENSION SYSTEM MUST BE SHUT OFF PRIOR TO HOISTING,
JACKING OR TOWING AN AIR SUSPENSION VEHICLE. THIS CAN BE ACCOMPLISHED BY TURNING OFF THE AIR SUSPENSION
SWITCH LOCATED IN THE RH KICK PANEL AREA. FAILURE TO DO SO MAY RESULT IN UNEXPECTED INFLATION OR
DEFLATION OF THE AIR SPRINGS WHICH MAY RESULT IN SHIFTING OF THE VEHICLE DURING THESE OPERATIONS.
CAUTION: This operation disturbs the pinion bearing preload. Pinion bearing preload must be reset if the pinion nut has been loosened or removed for
rear axle universal joint flange reindexing or replacement.
1. Raise the vehicle on a twin-post hoist that supports the rear axle.
2. Remove the driveshaft.
3. Check the rear axle universal U-joint flange for damage.
4. Position Companion Flange Runout Gauge on the rear axle U-joint flange.
5. Install Clamp Plate on Companion Flange Runout Gauge.
