7.5" & 8.8" Differential
- Install side gears and thrust washers into differential case. Place pinion gears and thrust washers 180 degrees apart on side gears and rotate into case.
- Use soft-faced hammer and drive "S"-shaped preload spring into position. Ensure spring is not damaged. Install pinion shaft and NEW pinion shaft lock bolt (use Threadlock (EOAZ-19554-AA) on lock bolt if new bolt is unavailable). Install bolt finger-tight at this time.
- Place Traction-Lok Torque Tool (205-022/T66L-4204-A) in a vise. Position carrier on Torque Tool and measure rotating torque. Rotating torque should be 20 ft. lbs. (27 N.m). See Fig 1
.
- This checks torque required to rotate one side gear while other is held stationary. If clutch plates are used, break-away torque should be at least 20 ft. lbs. (27 N.m) and rotation should be smooth. If clutch plates are new, break-away torque may vary and be slightly higher than specification.
- If break-away torque is as specified and rotation is smooth, tighten pinion shaft lock bolt to proper specification. See TORQUE SPECIFICATIONS
. If sensor ring has been removed, align notch on new sensor ring with notch on case flange and install new ring. Install side bearings and ring gear, if necessary.
Courtesy of FORD MOTOR CO.