Ford F-150 1999 Workshop Manual page 6

1999 F-150/250 Workshop Manual
13. Loosen the forcing screw, and remove the step plate and nut from the side gear bores. Install a new differential pinion shaft in the differential case.
Install the differential pinion shaft lock bolt finger-tight.
14. Install new differential bearings, if removed.
15. Check the torque required to rotate one differential side gear.
Install the special tools with the 1/2-inch drive hole as shown.
The initial break-away torque, if original clutch plates are used, must be within specification. The rotating torque required to keep the differential side gear turning with new
clutch plates may vary.
16. CAUTION: If equipped, make sure that the notches on the case flange and the anti-lock speed sensor ring are aligned.
Install the differential ring gear and, if removed, a new anti-lock speed sensor ring on the differential case and tighten the retaining bolts.
17. Install the differential case. For additional information, refer to
http://www.fordtechservice.dealerconnection.com/pubs/content/~WSX1/~MUS~LEN/20/S...
Differential Case in this section.
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11/3/2009