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(2) Install dial indicator and position the plunger against the drive side of a ring gear tooth (Fig. 8). (3) Rotate the ring gear to the position of the least backlash. Mark the gear so that all future backlash (4) Loosen the right-side, tighten the left-side threaded adjuster. Obtain backlash of 0.003 to 0.004 ened to 14 N·m (10 ft. lbs.). Seat the bearing cups (5) Tighten the differential bearing cap bolts 95 N·m (70 ft. lbs.). (6) Tighten the right-side threaded adjuster to 102 N·m (75 ft. lbs.). Seat the bearing cups with the pro- (7) Measure the ring gear backlash. The range of backlash is 0.006 to 0.008 inch (0.15 to 0.203 mm). (8) Continue increasing the torque at the right- side threaded adjuster until the specified backlash is NOTE: The left-side threaded adjuster torque should have approximately 102 N·m (75 ft. lbs.). If (9) Tighten the left-side threaded adjuster until 102 N·m (75 ft. lbs.) torque is indicated. Seat the (10) Install the threaded adjuster locks and tighten the lock screws to 10 N·m (90 in. lbs.). After the proper backlash is achieved, perform the Gear Contact Pattern procedure. GEAR CONTACT PATTERN The ring gear and pinion teeth contact patterns will show if the pinion depth is correct in the hous- (1) Apply a thin coat of hydrated ferric oxide or equivalent, to the drive and coast side of the ring (2) Wrap, twist and hold a shop towel around the pinion yoke to increase the turning resistance of the (3) With a boxed end wrench on a ring gear bolt, rotate the differential case one complete revolution in The areas on the ring gear teeth with the greatest degree of contact against the pinion teeth will squee- Fig. 7 Threaded Adjuster 1 - AXLE TUBE Fig. 8 Ring Gear Backlash 1 - DIAL INDICATOR 3s - 26 REAR AXLE - 8 1/4 XJ REAR AXLE - 8 1/4 (Continued) 2001 JEEP CHEROKEE |