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Differential Side Gears
Inspect side gear for worn, cracked, or
chipped teeth. The gear should be a snug fit
on the axle shaft spline. Also inspect the fit
on the side gear in the differential case
bore. This clearance should not exceed .007".
This play must be corrected or it will cause
excessive backlash in the drive line. The
differential side gear clearance between the
case and gear should be 0" to .008", .004"
desired. Where a differential assembly is to
the tight side, it will be acceptable, if not
more than eight foot-pounds of torque applied
to either side gear will rotate the internal
gears. If the gears need replacement, pinion
and side gears should be replaced as a set.
Differential Case
Inspect side bearing surfaces for nicks or
burrs. Small nicks or burrs may be dressed
down with a stone or smooth file.
Ring Gear
Inspect all the teeth of this gear for wear,
cracks, or chipping. Then examine the tooth
contact pattern to see if the gear has been
meshing correctly with the pinion gear.
If the tooth pattern indicates that the
ring and pinion have not been meshing correct-
ly, BOTH GEARS SHOULD BE REPLACED BECAUSE IT
IS IMPOSSIBLE TO ADJUST WORN GEARS FOR QUIET
OPERATION.
Whenever replacement of either the ring
gear or the pinion gear is necessary, always
replace both gears. These gears are run-in and
lapped together at the factory as matched sets.
Inspect the ring gear attaching screws for
elongation resulting from excessive tighten-
ing and replace any screws that are elongated.
Pinion Gear and Shaft Removal
"Hornet" Series
Inspect the rear axle companion flange for
face run out using a dial indicator (Fig. 15).
The run out should not exceed .002".
Remove the pinion shaft nut, using the
pinion shaft nut socket tool (J-1411), while
holding the pinion shaft flange. Use extreme
care to avoid damage to the flange surfaces.
Remove the companion flange. This is a
press fit, use flange puller J-2984 (Fig. 16).
DO NOT DRIVE THE FLANGE OFF THE SHAFT. The oil
seal may now be removed.
FIGURE 16—
Remove the Rear Axle Pinion
Flange With Tool J-2984
"
Wasp" Series—Hydra-Matic
Equipped
Remove the companion flange with puller
J-2984. "Wasp" and "Rambler" Series
Remove the oil seal, bend back the lip of
the pinion nut lock, and remove the pinion
nut. This can be done by holding the pinion
shaft with the pinion holding tool and
spacer (J-2496) and loosening the nut using
a double offset box wrench.
All Series
Tap the end of the pinion shaft lightly with
a .fiber hammer to free the front bearing
cone from the pinion shaft and remove the
bearing.
A thick shim is located between the bearing
and a shoulder on the pinion shaft. This
shim controls the pinion bearing preload,
therefore, tag the shim to identify it at
the time of reassembly.
The pinion gear and rear bearing may now be
removed from the rear of the housing.
REAR AXLE - PROPELLER SHAFT
7
FIGURE 15—
Inspect Rear Axle Companion
Flange Face Run Out
Summary of Contents for 1955 Rambler
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Page 87: ...46 T E C H N I C A L S E R V I C E M A N U A L...
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