Pinion Flange Runout Check - Circular
WARNING: This page is about a different car, the 2016 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Pinion bearing preload must be reset if the pinion nut has been loosened or removed for pinion flange reindexing or replacement or damage to the component may occur.
- 1.
Position the vehicle on a hoist. Refer to Jacking and Lifting .
- 2.
Remove the driveshaft. Refer to Driveshaft .
| Item | Part Number | Description |
|---|---|---|
| 1 | - | Drive Pinion Flange Runout Gauge Pilot (part of 205-319) (T92L-4851-B) |
| 2 | 354845 354845 | Pinion nut |
| 3 | 205 205-319-319 | Drive Pinion Flange Runout Gauge (T92L-4851-B) |
| 4 | - | Bolts (2 required) (part of 205-320) (T92L-4851-C) |
| 5 | 205 205-320-320 | Driveshaft Clamp Plate (T92L-4851-C) |
| 6 | 4851 4851 | Pinion flange |
- 5.
Align the holes on the Driveshaft Clamp Plate with the holes in the pinion flange and install the bolts. Snug the bolts evenly.
- 6.
Position the Dial Indicator Gauge with Holding Fixture as shown. Turn the Drive Pinion Flange Runout Gauge, and locate and mark the high spot on the pinion flange with yellow paint.
If the flange runout exceeds 0.28 mm (0.011 in), remove the pinion flange, reindex the flange one-half turn on the pinion, and reinstall it. Refer to Rear Drive Axle/Differential - Ford 9.75-Inch Ring Gear or Front Drive Axle/Differential for the flange removal and installation procedures.
- 7.
Check the runout again. If necessary, rotate the flange until an acceptable runout is obtained. If the flange runout is still more than 0.28 mm (0.011 in), install a new pinion flange.
- 8.
If excessive runout is still evident after replacement of the pinion flange, install a new ring and pinion. Repeat the above checks until the runout is within specifications.
- 9.
Install the driveshaft. Refer to Driveshaft .