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109 OVERDRIVE
AXLE REMOVAL
1. Raise car on a hoist or use stand jacks. Remove
drain plug and drain axle lubricant.
2. Remove rear wheel covers and take off rear
wheels.
FIGURE 3
3. Remove wheel hubs using puller J-736A
(Figure 3).
4. Disconnect brake cables at toggle and unhook
the brake cables from the parking brake levers.
5. Disconnect brake hose at the frame connection
and brake lines at wheel cylinders.
6. Remove the four backing plate bolts (each
side) and remove the backing plates, wheel
bearing oil seal caps and the shims (o n the r i
g h t side only). The shims should be tied
together until reinstallation.
7. Remove axle shafts, using puller J-352B.
8. P u 11 axle shaft oil seals, using puller J-943.
9. Disconnect propeller shaft at rear axle com-
panion flange and use masking tape to keep
cups from falling off r o 1 le r bearings.
10. Remove nuts from spring clip "U" bolts and
lower studs of shock absorbers.
11. Use a jack under the axle h o u sing and raise
assembly slightly.
12. Lower axle assembly to floor and remove
mounting plates, cushions and "U" bolts;
then place axle on bench or axle stand for
further disassembly.
DIFFERENTIAL ASSEMBLY
AND DRIVE PINION REMOVAL
1. Thoroughly clean outside of axle housing with a
good solvent to preclude the possibility of dirt enter-
ing axle housing.
2. Remove bolts from inspection cover and remove
cover and gasket.
NOTE: Metal tag under one bolt head denotes axle
ratio and must be replaced when axle is reassembled.
3. Use a solvent to thoroughly clean inside of housing
and all gears and bearings.
FIGURE 4
4. When axle is clean and be f o re further disassembly,
check the d rive gear for run-out. Mount a dial indica-
tor as shown, Figure 4, and slowly turn the rear axle
drive pinion. If the drive gear run-out is more than
.003" check for the possibility of a sprung case, loose
drive gear to case bolt or nicks and burrs between
drive gear and flange. Remove dial indicator.
5. Re move the four bolts and differential bearing caps
.
NOTE: Both caps and each side of hous in g are s
tamped with an identifying number or letter. On
one side the markings will be parallel with each
other; on the opposite side, they will be vertical to
each other, Figure 18.
6. Install axle Wising spreader J-5372 in place on
housing and mount the dial indicator as shown Fig-
ure 5. Use an end wrench to turn the hex handle of
the spreader tool until the indicator reads .020"
spread.
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