Dodge 2000 DURANGO Service Manual page 130

3 - 80 8 1/4 AND 9 1/4 AXLE
REMOVAL AND INSTALLATION (Continued)
Fig. 36 Shaft Rear Bearing Installation
1 – PRESS
2 – INSTALLATION TOOL
3 – DRIVE PINION GEAR
4 – DRIVE PINION GEAR SHAFT REAR BEARING
Fig. 37 Collapsible Preload Spacer
1 – COLLAPSIBLE SPACER
2 – SHOULDER
3 – PINION GEAR
4 – OIL SLINGER
5 – REAR BEARING
(14) Install the companion flange washer and a
new nut on the pinion and tighten the pinion nut
until there is zero bearing end-play. It will not be
possible at this point to achieve zero bearing end-
play if a new collapsible spacer was installed.
(15) Tighten the nut to 285 N·m (210 ft. lbs.) (Fig.
38).
CAUTION: Never loosen pinion nut to decrease pin-
ion bearing rotating torque and never exceed spec-
ified preload torque. If preload torque or rotating
torque is exceeded a new collapsible spacer must
be installed. The torque sequence will then have to
be repeated.
Fig. 38 Tighten the Pinion Nut
1 – DIFFERENTIAL HOUSING
2 – COMPANION FLANGE HOLDER
3 – TORQUE WRENCH
(16) Using Holder 6719, crush collapsible spacer
until bearing end play is taken up.
(17) Slowly tighten the nut in 6.8 N·m (5 ft. lbs.)
increments until the desired rotating torque is
achieved. Measure the rotating torque frequently to
avoid over crushing the collapsible spacer (Fig. 39).
(18) Check bearing rotating torque with an inch
pound torque wrench (Fig. 39). The torque necessary
to rotate the pinion should be:
• Original Bearings — 1 to 3 N·m (10 to 20 in.
lbs.).
• New Bearings — 2 to 5 N·m (15 to 35 in. lbs.).
(19) Install propeller shaft.
(20) Install differential in housing.
DN