2002 DODGE RAM Service Repair Manual

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Page 113 of 2255

DODGE RAM 2002 Service Repair Manual Fig. 21 GEAR TOOTH CONTACT PATTERNS
3 - 58 REAR AXLE - 248RBIBR/BE
REAR AXLE - 248RBI (Continued)

Page 114 of 2255

DODGE RAM 2002 Service Repair Manual SPECIFICATIONS
REAR AXLE - 248RBI
AXLE SPECIFICATIONS
DESCRIPTION SPECIFICATION
Axle Ratio 3.55, 4.10
Ring Gear Diameter 248 mm (9.75 in.)
Ring Gear Backlash 0.12-0.20 mm (0.005-0.008 in.)
Pinion Gear

Page 115 of 2255

DODGE RAM 2002 Service Repair Manual Installer 8149
Holder 6719A
Puller C-452
Installer 8108
Spreader W-129-B
Pilot Studs C-3288-B
Dial Indicator C-3339
Puller/Press C-293-PA
Adapters C-293-37
Installer C-4190
3 - 60 REAR AXLE - 248RBIBR

Page 116 of 2255

DODGE RAM 2002 Service Repair Manual Handle C-4171
Fixture 6963-A
Remover D-158
Remover D-162
Adapters C-293-37
Installer D-111
Installer D-146
Installer C-3095-A
Installer C-3718
Trac-lok Tools 8139
BR/BEREAR AXLE - 248RBI 3 - 61
REAR A

Page 117 of 2255

DODGE RAM 2002 Service Repair Manual AXLE SHAFTS
REMOVAL
(1) Remove the axle shaft flange bolts.
(2) Slide the axle shaft out from the axle tube.
INSTALLATION
(1) Clean the gasket contact surface area on the
flange with an appropriate so

AXLE SHAFTS
REMOVAL
(1) Remove the axle shaft flange bolts.
(2) Slide the axle shaft out from the axle tube.
INSTALLATION
(1) Clean the gasket contact surface area on the
flange with an appropriate solvent. Install a new
flange gasket and slide the axle shaft into the tube.
(2) Install the bolts and tighten to 129 N´m (95 ft.
lbs.).
AXLE BEARINGS
REMOVAL
(1) Remove wheel and tire assembly.
(2) Remove brake drum.
(3) Remove the axle shaft.
(4) Remove the lock wedge and adjustment nut.
Use Socket DD-1241±JD to remove the adjustment
nut.
(5) Remove the hub assembly. The outer axle bear-
ing will slide out as the hub is being removed.
(6) Remove inner grease seal and discard. Use
Installer 5064 and Handle C-4171 to drive grease
seal and inner axle bearing from the hub.
(7) Remove the bearing cups from the hub bore.
Use a brass drift, or an appropriate removal tool, to
tap out the cups.
INSTALLATION
(1) Thoroughly clean both axle bearings and inte-
rior of the hub with an appropriate cleaning solvent.
(2) Install bearing cups with Installer 8151 and
Handle C-4171.
(3)Pack inner and outer bearings with
Mopar wheel bearing grease or equivalent.
(4) Apply grease to inner and outer bearing cup
surfaces.
(5) Install inner axle bearing in the hub.
(6) Installnewgrease seal in hub with Installer
8149 and Handle C-4171.
(7) Inspect bearing and seal contact surfaces on
the axle tube for burrs/roughness. Remove all the
rough contact surfaces from the axle tube.
(8) Carefully slide the hub onto the axle.
CAUTION: Do not let grease seal contact axle tube
threads during installtion.
(9) Install outer axle bearing.
(10) Install hub bearing adjustment nut with
Socket DD-1241±JD.
(11) Tighten adjustment nut to 163-190 N´m (120-
140 ft. lbs.) while rotating the wheel. Then loosen
adjustment nut 1/8 to 1/3 of-a-turn to provide 0.025-
0.250mm (0.001-0.009 in.) wheel bearing end play.
(12) Tap locking wedge into the spindle keyway
and adjustment nut.
NOTE: Located locking wedge in a new position in
the adjustment nut.
(13) Install axle shaft and brake drum.
(14) Install the wheel and tire assembly.
Trac-lok Tools C-4487
Gauge Set 6730
Arbor Discs 6732
3 - 62 REAR AXLE - 248RBIBR/BE
REAR AXLE - 248RBI (Continued)

Page 118 of 2255

DODGE RAM 2002 Service Repair Manual PINION SEAL
REMOVAL
(1) Raise and support the vehicle.
(2) Mark universal joint, pinion yoke and shaft for
installation reference.
(3) Disconnect the propeller shaft from the pinion
yoke.
(4) Remove t

Page 119 of 2255

DODGE RAM 2002 Service Repair Manual CAUTION: Never loosen pinion gear nut to decrease
pinion rotating torque and never exceed specified pre-
load torque. If preload torque is exceeded a new pin-ion nut and collapsible spacer, if equippe

Page 120 of 2255

DODGE RAM 2002 Service Repair Manual (7) Remove the differential bearing caps.
(8) Position Spreader W-129-B with the tool dowel
pins seated in the locating holes (Fig. 28).
(9) Install the hold down clamps and tighten the
tool turnbuckl

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