2006 GREAT WALL SAFE lock

SA-46
5. Tear down the front hub, the oil seal and the inner race
of front hub bearing (inner)
(a) Prize out the oil seal.
(b) Take out the inner race of front hub bearing (inner).
6. Inspection on and change of the outer race of front hub
bearing
(a) Check each bearing:
Wash the inner and outer races of each bearing to check
their wear or damage situation.
(b) Tear down the outer race of each bearing:
Tap out the outer bearing race with copper bar and hammer.
Notice: bind the inner and outer races of the same
bearing together to prevent from mixing.
7. Inspection and change for front brake disc
(a) Check the wear situation of the front brake disc.
(b) Tear down the bolts that connect the front wheel hub and
the front brake disc.
(c) Connect the front wheel hub and the front brake disc with
bolts, which are tightened diagonally with moment span-
ner according to the specified torque.
Fastening torque
(70-80)N
m
(d) Make the dynamic balance test on the dynamic balancer,
and the amplitude value displayed should not be smaller
than 13.5g under the condition that the measuring rotat-
ing velocity is 796 r/m and the locking rotating velocity
of 786 r/m, otherwise, tap the counter balanced clip,
which is 4g each, in the corresponding position, the clip
number should not be more than 4.
(e) Tap in the new bearing outer race carefully with the
special service tool.
Notice: the inner and outer races of the same bearing
should be changed in one time.
Suspension System and Automobile Axle (SF/4WD)
Front Wheel Hub and Steering Knuckle (Front Wheel Hub)

SA-47
Assembly of Front Wheel Hub
1. Mount on the inner race and roller assembly of front hub
bearing as well as the oil seal of front hub.
Coat the lithium base grease of (4-5)mm on the inside surfaces
of the bearing outer race and the front wheel hub, put in the
inner race and roller assembly of front hub bearing (inner),
then plaster the lubricant. Plaster a little lubricant on the lips of
front wheel hub oil seal, and finally tap the front hub in place
with special service tool.
Notice: Do not plaster the lubricant on the face of front
brake disc.
2. Mount the inner race of front hub bearing (outer) and
roller assembly
Coat 4
5 mm of lithium base grease on the outer race of
bearing, and then put the inner race of front hub bearing (outer)
and roller assembly in it, finally plaster with lubricant.
(c) Loosen the steering knuckle nut to ensure the front brake
disc can run freely. Screw up the steering knuckle nut
again to the specified torque.
Fastening torque
25N
m
(d) Mount on the lock plate and mount on another steering
knuckle nut.
Fastening torque
60N
m 3. Mount the front wheel hub on the steering knuckle
Coat a little lubricant on the oil seal of steering knuckle, and
then mount the front wheel hub and front brake disc on the
steering knuckle, finally mount on the stop washer.
4. Adjust preload:
(a) Mount on the steering knuckle nut and screw it up
according to the specified torque.
Fastening torque
(100-120)N
m
(b) Run the front wheel hub by 1/4-1/3 round so as to seat the
bearings.
Suspension System and Automobile Axle (SF/4WD)
Front Wheel Hub and Steering Knuckle (Front Wheel Hub)

SA-48
(e) Hold the bolt of front wheel hub with the spring-tension meter
and drag slowly in the direction of the spot tangent line.
Suitable tension range
(29-54)N
The nut should be screwed up again within the suitable range if the
tension value is overlarge or over small.
(f) Check the bearing to ensure it cannot leap excessively (the
axial clearance should not be more than 0.05mm).
(g) Measure the bouncing value of the front brake disc, which
should not be more than 0.11mm, and
5. Mount the liner and the free hub:
(a) Tear down the free wheel hub cap firstly.
(b) Mount the liner and the free hub on the front wheel hub.
Fastening torque
(25-29)N
m
(c) Mount on the free wheel hub cap.
Fastening torque
(6-12)N
m
6. Mount the brake caliper:
(a) Mount the brake caliper on the steering knuckle and screw
up the bolts according to the specified torque.
Fastening torque
123N
m
(b) Connect the Bundy tube.
Fastening torque
20-22N
m
7. Check the height of brake liquid level and, if required, add
the brake liquid, exhaust the gas from the brake system.
Suspension System and Automobile Axle (SF/4WD)
Front Wheel Hub and Steering Knuckle (Front Wheel Hub)
(h) Bend one tooth of lock plate inside and other teeth outside
so as to lock the steering knuckle nut.

SA-58
(b) Lock the flange with special service tool to tear down the
main-tooth nut.
7. Tear down the inner race of conical roller bearing;
If the bearing is damaged, change a new bearing.
8. Mount the new bearing.
6. Tear down the driving bevel gear oil seal and oil-guard
tray:
(a) Tear down the driving bevel gear oil seal with special
service tool.
(b) Tear down the oil-guard tray. (c) Tap down the flange and dust cover with copper bar.
Suspension System and Automobile Axle (SF/4WD)
Front Speed Reducer (Change of Driving Bevel Gear Oil Seal of Front Speed Reducer)

SA-59
12. Rivet the main-tooth nut.
10. Mount the flange and dust cover:
(a) Encase the flange and dust cover in the front speed
reducer shell through the clinch of oil seal.
(b) Lock the flange with the special service tool and screw up
the nuts according to the specified torque.
Fastening torque
(140-210)N
m
11. Adjust the preload of driving bevel gear bearing
Measure the play preload between the driving bevel gear and
the driven bevel gear with the torque tester.
Preload:(1.8-2.4)N
m
Remark: if the requirement is not satisfied, change the
adjusting washer between the adjusting washer jackets and
bearing 32307, see the disassembly and assembly for front
speed reducer, until the requirement is satisfied.
(a) If the preload is larger than the specified value, change
with a thicker adjusting washer;
(b) If the preload is smaller than the specified value,
change with a thinner adjusting washer.
9. Mount the new driving bevel gear oil seal:
(a) Encase the oil-guard tray.
(b) Press the new oil seal in the speed reducer shell with the
special service tool; the mounted oil seal should be 1.5
mm away from the end face of the housing.
Notice: Coat the lithium base grease evenly on the lips of
oil seal.


Suspension System and Automobile Axle (SF/4WD)
Front Speed Reducer (Change of Driving Bevel Gear Oil Seal of Front Speed Reducer)

SA-64
5. Mount on the upper front drive axle shaft sleeve,
Coat the bolt thread with thread locking agent.
Fastening torque
88N
m 4. Mount on the new oil seal-front half-shaft:
Press in the new oil seal with the special service tool until it
flush with the outer ending of the oil seal, coat moderate
lubricant on the lips of the oil seal.
6. Mount on the front long semi-axis and the front minor
half-shaft.
(a) Mount the new snapping ring on the half-shaft.
(b) Mount on the long semi-axis and the minor half-shaft
with the special service tool.
Suspension System Automobile Axle (SF/4WD)
Front Speed Reducer (Change of Axle Shaft Oil Seal)

SA-65
Disassembly and Assembly of Front Speed Reducer
Element figure
front minor half-shaft

snapping ringbearing 31306 front speed
reducer shell
oil-guard trayflange and dust cover
driving bevel gear oil seal
jacketoil seal-front half-shaft

Parts that cannot be reused after being used

s pecified torqueN
M
140-210 bearing 32307
driving bevel gear oil seal
speed reducer coveradjusting washer
bearing 50KB801
47
cap-differential
bearing
78

lock plate adjusting washer
half axle gear thrust
gasket
planetary gear shaft
half-axle gearplanetary gear stop gasket
planetary gearaxle driven bevel gear front differential housing
adjusting gasket
pin
70-90 retainer ring
front long semi-axisbearing B36Z-10







oil seal-front half-shaft
adjusting washer
snapping ring
Suspension System Automobile Axle (SF/4WD)
Front Speed Reducer (Disassembly and Assembly of Front Speed Reducer)

SA-67
6. Check the teeth-clearance of the driving bevel gear and
the axle driven bevel gear:
(a) Install the dial-indicating lamp and ensure the axial line
of measuring head is vertical with the contact teeth face.
(b) Run the flanges, and record the clearance values of
driving bevel gear and the axle driven bevel gear.
Specified clearance range
(0.15-0.25)mm
Remark: the inspection should be conducted at no less than
three equally divided spots on the circumference of the axle
driven bevel gear.
7. Check the engagement trace of the axle driven bevel
gear.
(See page SA-76)
8. Tear down the flange and dust cover:
(a) Loosen the riveted position of main-tooth nut with the
hammer and chisel.
(b) Lock the main-tooth flange with SST to tear down the
main-tooth nut.
Suspension System Automobile Axle (SF/4WD)
Front Speed Reducer (Disassembly and Assembly of Front Speed Reducer)
(c) Tap down the driving bevel gear flange and dust cover
with copper bar.