2003 DODGE RAM Service Repair Manual

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Page 217 of 2895

DODGE RAM 2003 Service Repair Manual (3) Install first pinion gear into the differential
window and side gears. Rotate the pinion gear to the
back of the case (Fig. 34).
(4) Install the other pinion gear and thrust
washer. Rotate the gea

Page 218 of 2895

DODGE RAM 2003 Service Repair Manual (8) Install ring gear side adjuster lock and bolt. Do
not tighten adjuster lock bolt at this time.
(9) Tighten pinion gear side adjuster firmly
against the differential case bearing cup.
(10) Rotate t

(8) Install ring gear side adjuster lock and bolt. Do
not tighten adjuster lock bolt at this time.
(9) Tighten pinion gear side adjuster firmly
against the differential case bearing cup.
(10) Rotate the pinion several times to seat the dif-
ferential bearings.
(11) Loosen pinion gear side adjuster until it is no
longer in contact with the bearing cup.
(12) Tighten pinion gear side adjuster until it just
makes contact with the bearing cup.
(13)
Tighten pinion gear side adjuster an additional:
²New Bearings6 Adjuster Holes
²Original Bearings4 Adjuster Holes
(14) Install pinion gear side adjuster lock and bolt.
Do not tighten adjuster lock bolt at this time.
(15) Tighten bearing cap bolts to 281 N´m (207 ft.
lbs.).
(16) Tighten adjuster lock bolts to 25 N´m (18 ft.
lbs.) (Fig. 37).
(17) Measure ring gear backlash and check gear
tooth contact pattern. Refer to Adjustments for pro-
cedure.
(18) Install axle shaft gasket and install axle
shafts.
(19) Install differential housing gasket and cover.
Tighten cover bolts to 40 N´m (30 ft. lbs.).
(20) Fill axle with lubricant, refer to Lubrication &
Maintenance for capacity and lubricant type.
(21) Install fill plug and tighten to 32 N´m (24 ft.
lbs.).
DIFFERENTIAL TRAC-RITE
DESCRIPTION
The Trac-RiteŸ differential is a helical gear differ-
ential. The differential has two side gears, six pinion
gears and six pinion brake shoes.
NOTE: The differential is seviced as an assembly
only if damaged, but can be disassembled for
cleaning. The assembly should be cleaned every
time a bearing is changed due to damage.
OPERATION
When one wheel begins to spin the pinion gears on
that side are forced toward the pinion brake shoes.
The pinion brake shoes then cause frictional drag on
the opposite pinion gears and the side gear. These
friction forces transfer the power to the opposite
wheel. Once the frictional forces are overcome, differ-
entiation will occur. The torque will be continually
biased by the frictional forces to the high traction
wheel.
DISASSEMBLY
(1) Remove differential ring gear bolts.
(2) Remove differential case cover locating screws
(Fig. 38).
(3) Remove differential case cover.
(4) Remove side gear and thrust washer (Fig. 39).
Fig. 37 ADJUSTER LOCK BOLT
1 - DIFFERENTIAL CASE
2 - ADJUSTER LOCK
3 - ADJUSTER LOCK BOLT
4 - BEARING CAP BOLT
Fig. 38 LOCATION SCREWS
1 - DIFFERENTIAL COVER
2 - LOCATION SCREWS
DRREAR AXLE - 11 1/2 AA 3 - 145
DIFFERENTIAL (Continued)

Page 219 of 2895

DODGE RAM 2003 Service Repair Manual NOTE: Mark all component locations.
(5) Remove three pinion brake shoes (Fig. 40).
(6) Remove six pinion gears (Fig. 41).(7) Remove remaining side gear thrust washer and
spacer.
(8) Remove remaining t

Page 220 of 2895

DODGE RAM 2003 Service Repair Manual ASSEMBLY
NOTE: Install all component in their original loca-
tions.
(1) Lubricate all gears and differential bores with
differential lubricant.
(2) Install one set of pinion brake shoes into the
case

Page 221 of 2895

DODGE RAM 2003 Service Repair Manual (4) Install one set of pinion gears into the bores
next to the brake shoes, with the pinion shaft facing
up.
(5) Install other side gear and thrust washer.
(6) Install other set of pinion gears into t

Page 222 of 2895

DODGE RAM 2003 Service Repair Manual PINION GEAR/RING GEAR/
TONE RING
REMOVAL
NOTE: The ring and pinion gears are service in a
matched set. Never replace the ring gear/pinion
gear without replacing the other matching gear.
(1) Mark pinio

Page 223 of 2895

DODGE RAM 2003 Service Repair Manual (9) Remove pinion flange from pinion with Pinion
Flange Puller 8992 (Fig. 52).
(10) Remove pinion gear from housing with Pinion
Driver 8977 and a hammer (Fig. 53).
NOTE: Thread the driver on the pinio

Page 224 of 2895

DODGE RAM 2003 Service Repair Manual (2) Install new rear pinion bearing cup (Fig. 56)
with Installer 8968 and Handle C-4171.
(3) Install pinion depth shim (Fig. 57) on the pin-
ion gear shaft.(4) Install rear pinion bearing (Fig. 58) wi

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