Grand Cherokee 4WD V8-4.7L (2003)
10. Remove pinion seal with Remover 7794-A and a slide hammer (Fig. 29).
INSTALLATION
1. Apply a light coating of gear lubricant on the lip of pinion seal and install seal with Installer 8890.
2. Install pinion companion flange on the pinion gear with Installer W-162-1), Cup 8109 and Wrench 6958.
CAUTION: Never exceed the minimum tightening torque 298 Nm (220 ft. lbs.) while installing pinion nut at this point. Damage to collapsible
spacer or bearings may result.
3. Install the pinion washer and a new nut on the pinion gear. Tighten the nut only enough to remove the shaft end play.
CAUTION: Never loosen pinion nut to decrease pinion rotating torque and never exceed specified preload torque. If preload torque or rotating
torque is exceeded a new collapsible spacer must be installed.
4. Rotate pinion a minimum of ten time and verify pinion rotates smoothly Rotate the pinion shaft with an inch pound torque wrench. Rotating torque
should be equal to the reading recorded during removal plus 0.56 Nm (5 in. lbs.) (Fig. 30).