1998 DODGE RAM 1500 Workshop Manual

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Page 169 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual ²Ring gear too far away from pinion gear (Fig.
11). Decrease backlash, by moving the ring closer to
the pinion gear using the adjusters.
²Ring gear too close to pinion gear (Fig. 12).
Increase backl

Page 170 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual SIDE GEAR CLEARANCE
When measuring side gear clearance, check each
gear independently. If it necessary to replace a side
gear, replace both gears as a matched set.
(1) Install the axle shafts and C-lo

SIDE GEAR CLEARANCE
When measuring side gear clearance, check each
gear independently. If it necessary to replace a side
gear, replace both gears as a matched set.
(1) Install the axle shafts and C-locks and pinion
mate shaft.
(2) Measure each side gear clearance. Insert a
matched pair of feeler gauge blades between the gear
and differential housing on opposite sides of the hub
(Fig. 17).(3) If side gear clearances is no more than 0.005
inch. Determine if the axle shaft is contacting the
pinion mate shaft.Do not remove the feeler
gauges, inspect the axle shaft with the feeler
gauge inserted behind the side gear.If the end of
the axle shaft is not contacting the pinion mate
shaft, the side gear clearance is acceptable.
(4) If clearance is more than 0.005 inch (axle shaft
not contacting mate shaft), record the side gear clear-
ance. Remove the thrust washer and measure its
thickness with a micrometer. Add the washer thick-
ness to the recorded side gear clearance. The sum of
gear clearance and washer thickness will determine
required thickness of replacement thrust washer
(Fig. 18).
In some cases, the end of the axle shaft will move
and contact the mate shaft when the feeler gauge is
inserted. The C-lock is preventing the side gear from
sliding on the axle shaft.
(5) If there is no side gear clearance, remove the
C-lock from the axle shaft. Use a micrometer to mea-
sure the thrust washer thickness. Record the thick-
ness and re-install the thrust washer. Assemble the
differential case without the C-lock installed and re-
measure the side gear clearance.
(6) Compare both clearance measurements. If the
difference is less than 0.012 inch (0.305 mm), add
clearance recorded when the C-lock was installed to
thrust washer thickness measured. The sum will
determine the required thickness of the replacement
thrust washer.
(7) If clearance is 0.012 inch (0.305 mm) or
greater, both side gears must be replaced (matched
set) and the clearance measurements repeated.
(8) If clearance (above) continues to be 0.012 inch
(0.305 mm) or greater, the case must be replaced.
Fig. 16 HIGH PINION HEIGHT
Fig. 17 SIDE GEAR CLEARANCE
1 - FEELER GAUGE
2 - SIDE GEAR
Fig. 18 SIDE GEAR CALCULATIONS
DRREAR AXLE - 9 1/4 3 - 89
REAR AXLE - 9 1/4 (Continued)

Page 171 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual SPECIFICATIONS
AXLE SPECIFICATIONS
DESCRIPTION SPECIFICATION
Axle Ratio 3.21, 3.55, 3.92
Differential Case Flange Runout 0.076 mm (0.003 in.)
Differential Case Clearance 0.12 mm (0.005 in.)
Ring Gear

Page 172 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual INSTALLER C-3095-A
DIAL INDICATOR SET C-3339
INSTALLER C-3718
INSTALLER C-4076-B
WRENCH C-4164
HANDLE C-4171
INSTALLER C-4198
INSTALLER C-4213
REMOVER C-4307
DRREAR AXLE - 9 1/4 3 - 91
REAR AXLE - 9 1

Page 173 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual INSTALLER C-4308
INSTALLER C-4345
TRAC-LOK TOOLS C-4487
PULLER C-452
HANDLE C-4735
INSTALLER D-130
REMOVER 6310
HOLDER 6719A
PINION GAUGE SET 6730/6774/6775
TRAC-LOK TORQUE FIXTURE 6790
3 - 92 REAR AX

Page 174 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual AXLE SHAFTS
REMOVAL
(1) Place transmission in neutral.
(2) Raise and support the vehicle.
(3) Remove wheel and tire assembly.
(4) Remove brake caliper, adapter and rotor (Fig.
19).(5) Remove different

Page 175 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual (7) Push axle shaft inward and remove axle shaft
C-lock from the axle shaft (Fig. 21).
(8) Remove axle shaft (Fig. 22) carefully to prevent
damage to the shaft bearing and seal in the axle
tube.
INSTA

Page 176 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual (3) Install the axle shaft.
(4) Install differential cover and fill with gear
lubricant to the bottom of the fill plug hole.
AXLE BEARINGS
REMOVAL
(1) Remove axle shaft.
(2) Remove axle shaft seal fro

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