Chrysler Vehicle User Manual page 134

TJ
PINION GEAR/RING GEAR (Continued)
(11) Install yoke washer and a new nut on the
pinion gear. Tighten the nut to specification (Fig. 64).
Fig. 64 TIGHTENING PINION NUT
1 - PINION YOKE
2 - YOKE HOLDING
3 - DIFFERENTIAL HOUSING
(12) Check bearing preload torque with an inch
pound torque wrench (Fig. 65). The torque to rotate
the pinion gear should be:
• Original Bearings: 1 to 2 N·m (10 to 20 in. lbs.).
• New Bearings: 2.3 to 4.5 N·m (20 to 40 in. lbs.).
Fig. 65 PINION ROTATION TORQUE
1 - PINION YOKE
2 - INCH POUND TORQUE WRENCH
FRONT AXLE - 216FBI
(13) Invert differential case in a vise and start two
ring gear bolts. This will provide case-to-ring gear
bolt hole alignment.
(14) Install new ring gear bolts and alternately
tighten to 136 N·m (100 ft. lbs.). (Fig. 66).
CAUTION: Never reuse the ring gear bolts. The
bolts can fracture causing extensive damage.
Fig. 66 RING GEAR INSTALLATION
1 - TORQUE WRENCH
2 - RING GEAR BOLT
3 - RING GEAR
4 - CASE
(15) Install differential in axle housing and verify
gear mesh and contact pattern. Refer to Adjustments
(Gear Contact Pattern).
(16) Install differential cover and fill with lubri-
cant.
(17) Install propeller shaft with reference marks
aligned.
3 - 75