Buick LeSabre 1965 Service Manual page 452

CHASSIS SUSPENSION
SERVICE PROCEDURES 7 - 2 5
J-9552-2
J-7592-7
WASHER
Figure 7-26-Tool J-9552
3. Install special Nut J-9552-2 on
the upper end of the bolts so that
the shoulder of the nut protrudes
through the hole in the upper
spring seat to protect the threads
of the bolt at this point.
4. Place a box wrench on the
upper nut of the tool to keep it
from turning. Now tighten the
bolt with a 7/8" socket and ex-
tension. See Figure 7-27.
5. Tighten the bolt, compressing
the spring, until at least 1-3/4"
to 2" of the rod protrudes through
the upper nut of the tool. At this
point the spring is usually com-
pressed sufficiently.
6. Force the spring on its seat
in the lower control arm as shown
in Figure 7-28. Remove tool.
7. With the spring in position
raise the lower control arm with
the jack and attach the lower ball
joint tapered stud to the knuckle.
Make certain that the rubber dust
cover is in place on the ball
joint. Torque the nut to 70 ft. lbs.
and install the cotter pin.
8. Install shock absorber. Torque
upper nut to 10 ft. lbs., and lower
bolts to 20 ft. l b s . on 49000
Series, or 35 ft. lbs. on 45, 46,
48000.
9. Attach brake reaction rod and
compression bumper (49000) to
the lower control arm. Torque
the nuts to 90 ft. lbs. on 49000
Series, or 55 ft. lbs. on 45, 46,
48000.
Figure 7-27—Compressing Front Spring
with Tool J-9552
Figure 7-28—Pushing Spring onto
Lower Control Arm Seat
NOTE: Never use standard bolts,
nuts or washers at this location.
If replacement parts are needed
package, Group 6.171, Part
1389760, contains the two special
nuts and four special washers
necessary for this installation.
10. Reinstall stabilizer link and
grommets. Assemble in same
relative position as maintained
after removal so that rubber
grommets are on the stabilizer
end while the neoprene grommets
are at the lower control arm end
of the link. See Figure 7-9.
11. Reinstall backing p l a t e to
knuckle making certain that "O"
ring is in place on the spindle.
Tighten front steering arm bolt
nut to 45 ft. lbs., rear bolt nut to
105 ft. lbs. and anchor bolt to 140
ft. lbs. on 49000 Series. On 45,
46, 48000 Series, tighten front
and rear steering arm bolts to
105 ft. lbs. and anchor bolt to
140 ft. lbs.
12. Wipe any accumulated dirt
off the spindle and lightly lube
with wheel bearing lubricant. In-
stall outer roller bearing and
special washer.
13. Install s p i n d l e castellated
nut.
a. Torque spindle nut to 19 ft.
lbs. while rotating wheel.
b. Back off nut until bearings are
loose.
c. Retighten nut to 11 ft. lbs.
torque while rotating wheel.
d. Back off nut at least 1/12 turn
but not more than 1/6 turn, and
install cotter pin. Bend ends of
cotter pin so they do not interfere
with the static collector in the
dust cap.
14. Reinstall the lower ball joint
grease fitting. Remove the car
stand and recheck and adjust toe-
in as necessary.