Figure - Buick LeSabre 1965 Service Manual

REAR AXLE, 46, 48, 49000 SERIES
6-25
b. Installation of Rear
Axle Assembly
1. With car resting securely on
stands under frame, roll rear
axle assembly into place.
2. Place a jack under center of
axle housing and raise until
aligned with lower control arms.
Install lower control arm bolts
and nuts. Torque nuts to 95 ft.
lbs.
3. Raise jack slightly and connect
upper control arm (or arms 46,
48000) to axle housing. Torque
nuts to 95 ft. lbs.
4. Connect track bar to axle
housing. Torque nut to 120 ft. lbs.
5. Connect shock absorber lower
ends. Torque nuts to 40 ft. lbs.
6. Install parking brake cables
through clips and guides.
7. Connect and adjust parking
brake according to procedure in
paragraph 9-8.
8. Connect brake hose at support
bracket and lock in place with
yoke.
9. Bleed both rear wheel cylin-
ders as described in paragraph
9-6.
10. Connect rear universal joint
to pinion flange according to
alignment marks. C o m p r e s s
bearings using a C-clamp so that
bearing snap rings will engage
pinion flange without gouging. See
Figure 6-113. (On 49000, connect
flanged ball stud yoke and rear
pinion flange according to align-
ment marks.)
11. Torque U-bolt nuts to 13 ft.
lbs. using an extension such as
J-9113 (this corresponds to 15 ft.
lbs. without an extension). See
Figure 6-114. (On 49000, torque 4
pinion flange bolts to 75-95 ft.
lbs.).
12. With car approximately level,
fill rear axle housing to filler
plug hole using specified gear
lubricant. If axle housing or any
roar suspension parts were re-
placed due to damage, rear uni-
versal joint angle must be
checked and adjusted as required.
See paragraph 6-28.
6 - 1 4 REMOVAL AND
INSTALLATION OF
AXLE SHAFT, WHEEL
BEARING, OR
OIL SEAL
a. Remove Axle Shaft
Assembly
1. Place car stands solidly under
rear axle housing so that wheels
are clear of floor.
2. Remove rear wheel and brake
drum. Both left and right side
wheel b o l t s have right hand
threads.
3. Remove nuts holding wheel
bearing retainer plate to brake
backing plate, leaving bolts in
place to support backing plate.
4. Pull out axle shaft assembly
using Puller J-6176 with a slide
hammer. See Figure 6-48. CAU-
TION: While pulling axle shaft
out through seal, support shaft
carefully in center of seal to
avoid cutting seal lip.
5. Replace two opposite retainer
nuts finger tight to hold brake
plate in position.
b. Remove and Install
Rear Wheel Bearing
The rear wheel bearing and the
bearing retaining ring both have a
heavy press fit on the axle shaft.
Because of this fit, they should be
removed or installed separately.
1. Notch wheel bearing retaining
ring in 3 or 4 places with a
chisel. See Figure 6-49. Retain-
ing ring will expand so that it can
be slipped off. CAUTION: Axle
shaft may be nicked if ring is cut
completely through.
2. Press wheel bearing off, using
Remove J-6525 either in a press
or in a set-up using Ram and
Yoke Assembly J-6180 and Adap-
ter J-6258 as shown in Figure
6-50.
3. Install bearing retainer plate.
Press new wheel bearing and re-
taining ring against shoulder on
axle shaft using Installer J-9739
either in a press or in a set-up
using Ram and Yoke Assembly
J-6180 and Holder J-6407 shown
in Figure 6-51. CAUTION: Bear-
ing retainer plate must be on axle
shaft before bearing is installed;
retainer gasket can be installed
after bearing.
ADAPTER
J-2619-4
SLIDE
HAMMER
J-2619
Fig. 6-48—Removing Rear Axle Shaft