GREAT WALL SO COOL 2006 Service Manual

SA-90
5. Mount the axle driven bevel gear on the differential housing:
(a) Mount on the lock plate and screw up the bolts to the
specified torque.
Tightening moment
(65-95)N
m
Notice: screw up the bolts diagonally.
(b) Tighten the lock plate with hand hammer and flat head
pinch.
6. Mount the inner race and roller assembly of bearing
200719E;
Mount the bearing inner race and roller assembly in differen-
tial housing with the pressure machine and SST.
7. Mount the differential assembly;
Mount the differential in the speed reducer housing.
When mounting the differential that hasnít changed the inner
race and roller assembly of bearing 200719E, ensure the outer
race of the left and the right bearings that has disassembled
should match with their inner racers respectively.
8. Mount the adjusting ring;
Adjust the clearance between the driving bevel gear and the
axle driven bevel gear to the moderate size. And press the
bearing outer race to flatten it with adjusting ring, and then
screw up moderately.
Notice: the two adjusting rings should be adjusted
synchronically in the movement of same direction.
Suspension System and Automobile Axle (Rear)
(Dismantle of Rear Speed Reducer)

SA-91
9. Mount on the differential bearing cover:
(a) Align the assembly marks on differential bearing cover
and the speed reducer housing, and press down the
differential bearing by hand.
(b) Mount on the double-eared stop washer and the hex nut.
10. Adjust the clearance between the driving bevel gear and
the axle driven bevel gear
(a) Screw up the hex nuts connecting the differential bearing
cover to the specified torque.
Tightening moment
(80-110)N
m
(b) Attach the measuring meter seat on the face of speed
reducer housing with the measuring head touching the
teeth face, run the axle driven bevel gear with hand to
measure the teeth engagement clearance, and then com-
pare it with the clearance value in step (d) to decide the
order of the adjusting ring tightening according to the
values.
(c) Adjust and screw up the adjusting rings with SST.
Tightening moment
(115-135)N
m
(d) Check the engagement clearance again until the clear-
ance value of the three spots evenly locates on the
circumference of axle driven bevel gear. Otherwise,
adjusting ring adjustment is suggested.
Engagement clearance
(0.13-0.25)mm
Suspension System and Automobile Axle (Rear)
(Dismantle of Rear Speed Reducer)

SA-92
tooth top engagement
select the adjusting washers that make the main teeth apart from the axle driven bevel gear.
teeth convex =teeth concave11. Check the engagement situation of the axle driven bevel
gear and the driving bevel gear:
(a) Coat four teeth locating on different spots of axle driven
bevel gear with red powder.
(b) Rotate the axle driven bevel gear in different directions.
(c) Check the teeth engagement situation.
The teeth trace of axle driven bevel gear should satisfy
this requirement. If not, select the suitable adjusting
washer to correct according to the poor teeth engagement
situation.
Washer thickness (unit: mm) see the following table: Suspension System and Automobile Axle (Rear)
Rear Speed Reducer (Disassembly of Speed Reducer)
heel end engagement
toe end engagement
teeth root engagement select the adjusting washer that make the main teeth
contact the axle driven bevel gear more closer.
Group NO. Washer thickness Group NO. Washer thickness
1 1.60 7 1.90
2 1.65 8 1.95
3 1.70 9 2.00
4 1.75 10 2.05
5 1.80 11 2.10
6 1.85 12 2.15

SA-93
12. Lock the double-eared stop washer to mount the stop
gasket and bolts:
(a) If the engagement trace satisfies the requirement, lock
tightly the double-eared stop washer with hand hammer
and pinch.
(b) Mount on the stop gasket, spring gasket and bolts, and
then screw up the bolts.
Tightening moment
(18-26)N
m
(c) Tap in he adjusting ring with the pinch and hammer.
13. Measure the total preload:
Preload: (1.8-2.4) N
m
If the preload is beyond the specified range, change the gas-
kets between the jacket and bearing 7607E, until they meet
the requirement.
(a) If the preload is larger than the specified value, change
the adjusting washer.
(b) If the preload is smaller than the specified value, screw up
the nuts again slowly but not exceed 160N.m.
Notice: if the screwing torque exceeds the max torque,
change the adjusting washer and repeat the preload
process. Do not screw back the main-tooth nut to reduce
the preload.
14. Check and adjust the flange bouncing
(a) Attach the dial indicating lamp seat on the speed reducer
housing with the measuring head contact the flange face,
run the flange to observe the swing out range of the dial
indicating lamp hand.
Radial full bouncing tolerance
0.10mm
Remark: the two bouncing values should be controlled within
0.10 mm, as for the parts of bounce exceeding the tolerance,
loosen the nut-driving bevel gear to assembly them in another
angle, measure the bounce value again. Observe carefully the
swing direction of the hands, which can be referred when
changing the locations of flange and the driving bevel gear. If
the requirement cannot be satisfied after several trials, change
the new flanges until the requirement is met. Suspension System and Automobile Axle (Rear)
Rear Speed Reducer (Disassembly of Speed Reducer)
30mm
15. Rivet the driving bevel gear nuts.s

SA-94
Mount of Rear Speed Reducer and
Differential Assembly
1. Mount the speed reducer and differential assembly on
the rear axle housing.
Tightening moment
(18-26)N
m
Remark: in case the sealing gasket is mounted, it should be
checked to see whether it is damaged before mounting, if
damaged, change with the new sealing gasket, and the dam-
aged sealing gasket should be clear away; if no sealing gasket
is mounted, no mount is required to mount. Clean the contact
face of the mounted axle housing and coat it with silicon-
rubber plain sealing agent.
2. Connect the drive shaft and flange well and be careful to
align the assembly marks marked when disassembling.
Tightening moment
(69-79)N
m
Screw up the oil drain plug with the Tightening moment
of (140-150)N
m
Mount on the half-shaft and the brake assembly to adjust the
brake oil path so that the wheel brake pump is filled with brake
liquid.
3. Inject in the heavy-duty oil.
Oil brand: heavy-duty oil graded GL-5;
Viscosity: SAE 85W/90
Oil volume: add the oil until it overflows from the oil filler
outlets.
Screw up the oil-filling plug.
Tightening moment
(140-150)N
m
Suspension System and Automobile and Axle (Rear)
Rear speed reducer (Mount of Rear Speed Reducer and Differential Assembly)

SA-95
Rear Differential
Element Figure
half axle gear
thrust gasket differential housing
pin
planetary
gear shaftplanetary gear
stop gaskethalf-axle gearplanetary gear
1. Tear down the speed reducer and the differential
assembly.
2. Tear down the differential from the speed reducer and
differential assembly.
Change of Differential Parts
1. Disassembly of Differential
(a) Tap out the pin with hammer and pinch.
Suspension System and Automobile Axle (Rear)
Rear differential
(b) Tear down the planetary gear shaft, the planetary gear,
planetary gear stop gasket, half-shaft gear and half axle
gear thrust gasket.

SA-96
2. Assembly of Differential
(a) Put the half-axle gear thrust gasket on the half-axle gear
and then encase them in the differential housing.
(b) Encase the planetary gear stop gasket, planetary gear and
encase the planetary gear shaft.
(c) Check the clearance between the half-axle gear thrust
gasket and the differential housing.
Remark: the half-axle gear and the planetary gear should run
freely without stagnant, push the planetary gear inside, then
measure the clearance between the half-axle gear thrust gasket
and the differential housing with dial indicating lamp.
Reasonable clearance range: (0.45-0.75)mm.
Remark: if the clearance value fails to fall within the above
range, change the half axle gear thrust gasket, at the same time,
ensure the left and right half axle gear thrust gasket are same
in thickness.
(d) Tap the pin in the pinhole, and rivet the end of the pinhole
so as to prevent from the pin missing.
Mount of Differential
1. Encase the differential assembly in the speed reducer
housing.
2. Mount the speed reducer and differential.
Suspension System and Automobile Axle (Rear)
Rear differential

SA-97Suspension System and Vehicle Axle
Rear Suspension (Leaf Spring Type)
Rear suspension(leaf spring)
Leaf spring and shock absorber
N
m
specified torque
90
10
110
10
liner
rront ear pinrear ear pin liner
u-shaped bolt
spring seat
90
10
Dismantle of leaf spring and vibration
damper
1. Raise the vehicle body with a jack and support it with a
bracket;
(a) Raise the vehicle body with a jack and support it with a
bracket;
(b) Lower the axle housing until the leaf spring is loosened
to the degree there is no tension existing. Keep the leaf
spring in such status.
2. Tear down the vibration damper.

SA-98
3. Tear down the U-shaped bolt;
(a) Tear down the mounting nuts of U-shaped bolts.
(b) Tear down the spring seat;
(c) Tear down the U-shaped bolts.
4. Tear down the leaf spring;
(a) Tear down the mounting nuts of front ear pin;
(b) Tear down the front ear pin;
(c) Disconnect the leaf spring from the bracket;
(d) Tear down the rear ear pin and the leaf, and then take
apart the leaf spring.
Change of leaf spring
1. Loosen the spring clip;
Loosen the spring clip with a chisel.
2. Tear down the central bolt;
Clamp the spring with a table vice at the position near to the
central bolt to take apart the central bolt.
3. Change the spring clip if necessary;
(a) Cut the rivet-head with a drill-head and tap the rivet out.
(b) Tap a new rivet in the hole of leaf spring and spring clip
and rivet it with pressure machine. Suspension System and Vehicle Axle
Rear Suspension (Leaf Spring Type)

SA-99
4. Mount the central bolt of leaf spring;
(a) Align the bolt with the spring hole after clamping the
steel spring with a table vice.
(b) Mount on and tighten the spring central bolt.
Tighten torque:
(50
5)N
m
5. Bend the spring clip to a correct angle.
Bend the spring clip to the correct position with a hammer.
Mount of leaf spring
1. Mount the steel spring;
(a) Encase the front end of leaf spring into the front bracket;
(b) Mount on the bolt of front ear pin.
(c) Screw on the nut of front ear pin with fingers;
(d) Encase the rear end of leaf spring into the rear bracket and
mount on the rear ear pin.
(e) Mount on the leaf and tighten the nuts with fingers.
2. Mount the U-shaped bolt;
(a) Mount the U-shaped bolt on the axle housing.
(b) Mount the spring seat and nut under the steel spring.
(c) Tighten the mounting nut of U-shaped bolt.
Tightening moment: (110
0)N
m
Suspension System and Vehicle Axle
Rear Suspension (Leaf Spring Type)