Pinion Bearing Preload
1. Press rear bearing with spacer onto pinion using tool 49 G030 338.2. Install pinion assembly, then press center bearing on using tool No. 49 1243 465A and the front bearing using tool No. 49 F027 009. Do not apply force of more than 2000 lbs. when pressing on center bearing or more than 6000 lbs. when pressing on front bearing.
3. Install companion flange and temporarily tighten locknut. Do not install the oil seal at this time.
4. Turn companion flange by hand to seat bearing.
5. Torque locknut to 94-130 ft. lbs. and ensure 7.2-12.2 inch lbs. can be obtained within this range.
6. If specified preload cannot be obtained within torque range, replace collapsible spacer and recheck.
7. Remove locknut, washer and companion flange, then drive oil seal into carrier using tool No. 49 V001 795.