Subaru 1600 Service Manual page 414

SUSPENSION, WHEELS AND AXLES
9·7. Rear Suspension
1. Removal and
Disassembly
1) Remove the two bolts attaching
shock absorber upper end to body.
NOTE:
a. At this time, vehicle should be in
the unloaded condition.
b. loosen bolts with extension bar
supported by tire outer surface,
and job will be easy.
2) Apply parking brake.
3) Loosen rear wheel nuts.
4) Jack up vehicle, support it with
safety stands (rigid racks) and remove
rear wheels and tires.
5) (4WD only) Remove following
parts and detach rear drive system.
a. Spring pins at both ends of drive
shaft.
NOTE:
Using a steel bar of 6 mm (0.24 in)
diameter, gradually drive out spring
pins.
b. Rear axle shafts on both sides
- - - Remove outer D.O.J. of
drive shaft from rear axle spindle
by pushing inside D.O.J. of drive
shaft fully toward rear differential
and pushing brake drum downward.
Then remove inner end of drive
shaft.
c. Four bolts connecting propeller
shaft to rear differential.
NOTE:
Since transmission oil will flow out
when propeller shaft is pulled out
from transmission, prepare appropriate
cap and oil catcher in advance of
above job.
d. Propeller shaft - - Set oil
catcher at rear end of transmission,
and pull out propeller shaft slowly.
To prevent oil flowing out, insert
appropriate cap immediately.
A4·124
Fig.
9-42
e. Support rear differential with jack.
f. Self-locking nuts connecting rear
differential mounting member to
body
g. Rear differential - - Remove 4
nuts installing rear differential at its
front end to rear crossmember, and
carefully dismount rear differential.
6) Remove exhaust pipe (front and
rear).
7) Remove brake hose from brake
pipe at inner arm side bracket (on both
sides).
NOTE:
a. Insert air bleeder cap to brake
hose end to prevent brake fluid
from pouring.
b. Whenever removing or installing
flare nut, use suitable flare nut
wrench only.
8) Support rear crossmember at its
center with a jack, and remove four
bolts holding rear crossmember.
9) Lower jack gradually and draw
out from beneath vehicle body with
rear suspension assembly on it.
NOTE:
Put dismounted rear suspension as-
sembly on soft material like rag,
corrugated paper, tire etc. to prevent
brake backplate and/or brake drum
from being damaged.
10) Remove floating bush (except
4WD).
11) Remove shock absorber.
12) Remove outer arm along with
torsion bar.
9-19
-,.-. i
NOTE:
When pulling off outer arm from cross-
member, as inner end of torsion bar
engages with serration of crossmem-
ber, pay attention not to bend or twist
torsion bar.
13) Remove torsion bar from outer
arm.
14) Remove bolt and nut connecting
inner arm and crossmember.
2. Inspection
Inspect disassembled parts for fol-
lowings.
a. Wear, damage, distorsion, crack etc.
b. All thread for damage or distorsion.
c. Oil leakage at lower portion or oil
sealing portion of shock absorber.
NOTE:
If any damages or cracks are not found
in visual check, perform color flaw
check (dye penetrant investigation) on
peeled or corroded portion.
3. Assembly
1) Engage outer serration of torsion
bar with outer arm temporarily.
1 Outer bush
2 Torsion bar
3 Outer arm
A15·121
Fig. 9-43 Installing torsion bar to
outer arm
2) Install outer arm along with tor-
sion bar with adjusting engagement of
serrations of torsion bar with cross-
member and outer arm, so that outer
arm comes to appropriate position.