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Buick 40 Series 1948 Shop Manual page 198

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(195)
REAR AXLE ASSEMBLY
REPAIRS
5-25
6. If clearance or axle shaft end play cannot
be adjusted to .008" or less with old spacer,
install a new spacer. Service spacers are over-
size to permit some take up for wear.
7. In some cases, however, it may not be pos-
sible to adjust end play to specified limits by
installation of oversize spacers; therefore, new
bronze thrust washers should be installed be-
tween the differential case and the side gears
before selecting a spacer of proper thickness to
provide not over .008" end play. See figure 5-32.
8. After proper axle shaft end play is ob-
tained, place side pinions and thrust washers
in case and push differential side pinion shaft
through case, thrust washers, and pinions. Lock
shaft in place with lock screw and lock washer.
9. If brake backing plate was removed, bleed
the wheel cylinder as described in paragraph
8-9, then install rear wheel.
10. Pour a liberal quantity of rear axle lu-
bricant on gears and bearings, and turn rear
wheels to work lubricant into all surfaces.
11. Install housing cover, using a new gasket
and coating bolt threads with white lead to
avoid oil leaks. Align filler plug with first bolt
hole to right of lower center bolt hole in
hous-
ing. This change from straight down position
increases oil level to 4 pints.
12. Remove car stands so that car is level,
and fill housing to filler plug opening with
approved rear axle, (par. 1-9).

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