Dodge Dakota (R1). Manual — part 214
(15) Remove the rear bearing cup from housing
(Fig. 50) with Remover C-4307 and Handle C–4171.
(16) Remove collapsible preload spacer (Fig. 51).
(17) Remove rear bearing from pinion (Fig. 52)
with Puller/Press C-293-PA and Adapters C-293-47.
(18) Remove depth shims from the pinion shaft
and record shim thickness.
INSTALLATION
NOTE: The ring gear and pinion are serviced in a
matched set. Do not replace the pinion without
replacing the ring gear. If ring and pinion gears or
bearings are replaced, Refer to Adjustments for Pin-
ion Gear Depth Setting.
(1) Apply Mopar Door Ease or stick lubricant to
outside surface of bearing cup.
(2) Install rear pinion bearing cup (Fig. 53) with
Installer C-4308 and Driver Handle C-4171 and ver-
ify cup is seated.
(3) Apply Mopar Door Ease or stick lubricant to
outside surface of bearing cup.
(4) Install front pinion bearing cup (Fig. 54) with
Installer D-130 and Handle C-4171 and verify cup is
seated.
Fig. 50 Rear Pinion Bearing Cup
1 - REMOVER
2 - HANDLE
Fig. 51 Collapsible Spacer
1 - COLLAPSIBLE SPACER
2 - SHOULDER
3 - PINION GEAR
4 - OIL SLINGER
5 - REAR BEARING
Fig. 52 Rear Pinion Bearing
1 - PULLER
2 - VISE
3 - ADAPTERS
4 - PINION GEAR SHAFT
3 - 74
REAR AXLE - 8 1/4
AN
PINION GEAR/RING GEAR/TONE RING (Continued)
(5) Install front pinion bearing and oil slinger if
equipped.
(6) Apply a light coating of gear lubricant on the
lip
of
pinion
seal.
Install
seal
with
Installer
C-4076–B and Handle C-4735-1 (Fig. 55).
(7) Place the proper thickness depth shim on the
pinion shaft.
(8) Install the rear bearing and slinger if equipped,
on the pinion (Fig. 56) with Installer 6448 and a
press.
Fig. 53 Rear Pinion Bearing Cup
1 - INSTALLER
2 - HANDLE
Fig. 54 Front Pinion Bearing Cup
1 - INSTALLER
2 - HANDLE
Fig. 55 Pinion Seal
1 - HANDLE
2 - DIFFERENTIAL HOUSING
3 - INSTALLER
Fig. 56 Rear Pinion Bearing
1 - PRESS
2 - INSTALLER
3 - PINION GEAR
4 - REAR PINION BEARING
AN
REAR AXLE - 8 1/4
3 - 75
PINION GEAR/RING GEAR/TONE RING (Continued)
(9) Install a new collapsible preload spacer on pin-
ion shaft and install the pinion into the housing (Fig.
57).
(10) Install
companion
flange
with
Installer
C-3718 and Holder 6719.
(11) Install bolts into two of the threaded holes in
the companion flange 180° apart.
(12) Position Holder 6719 against the companion
flange and install a bolt and washer into one of the
remaining threaded holes. Tighten the bolts so the
Holder 6719 is held to the flange.
(13) Install the companion flange washer and a
new nut on the pinion and tighten the pinion nut
until there is zero bearing end-play.
(14) Tighten the nut to 285 N·m (210 ft. lbs.) (Fig.
58).
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.
(15) 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. 59).
(16) Check bearing rotating torque with an inch
pound torque wrench (Fig. 59). 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.).
Fig. 57 Collapsible Preload Spacer
1 - COLLAPSIBLE SPACER
2 - SHOULDER
3 - PINION GEAR
4 - OIL SLINGER
5 - REAR BEARING
Fig. 58 Pinion Nut
1 - DIFFERENTIAL HOUSING
2 - HOLDER
3 - TORQUE WRENCH
3 - 76
REAR AXLE - 8 1/4
AN
PINION GEAR/RING GEAR/TONE RING (Continued)
(17) Position exciter ring on differential case.
(18) Using a brass drift, slowly and evenly tap the
exciter ring into position.
(19) Position ring gear on the differential case and
start two ring gear bolts. This will provide case-to-
ring gear bolt hole alignment.
(20) Invert the differential case in the vise.
(21) Install new ring gear bolts and alternately
tighten to 102 N·m (75 ft. lbs.) (Fig. 60).
CAUTION: Do not reuse the bolts that held the ring
gear to the differential case. The bolts can fracture
causing extensive damage.
(22) Install differential in housing and verify gear
mesh and contact pattern.
(23) Install differential cover and fill with gear
lubricant.
(24) Install propeller shaft wtih reference marks
aligned.
(25) Remove support and lower vehicle.
Fig. 59 Pinion
1 - COMPANION FLANGE
2 - TORQUE WRENCH
Fig. 60 Ring Gear Bolts
1 - TORQUE WRENCH
2 - RING GEAR BOLTS
3 - RING GEAR
4 - DIFFERENTIAL CASE
AN
REAR AXLE - 8 1/4
3 - 77
PINION GEAR/RING GEAR/TONE RING (Continued)
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