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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 45 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 torque25Nm
(d) Mount on the lock plate and mount on another steering
knuckle nut.
Fastening torque60Nm 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)Nm
(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)
Page 160 of 484
SA-49
Steering Knuckle
Dismantle of Steering Knuckle
1. Tear down the brake caliper, he front wheel and the front
brake disc.
2. Tear down the dust cover and the brake shell;
3. Tear down the steering knuckle arm from the steering
knuckle;
4. Tear down the vibration damper from the lower arm;
6. Tear down the steering knuckle:
(a) Tear down the split pin and groove nut from the position
where the ball stud locates.
(b) Tear down the steering knuckle from the position where
the ball stud locates with the special service tool. 5. Tear down the transverse stabilizer rod from the lower
arm;
Suspension System and Automobile Axle (SF/4WD) Front Wheel Hub and Steering Knuckle (Steering Knuckle)
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SA-50
(c) Tear down the split pin and groove nut from the position
where the lower ball stud.
(d) Tear down the steering knuckle from the position where
the lower ball stud with the special service tool, and
(e) Press down the lower arm to tear down the steering
knuckle.
7. Tear down the Lower ball stud assembly from the posi-
tion where the steering knuckle locates.
Steering knuckle inspection and change
Inspection on and Change of Steering
knuckle
1. Check the steering knuckle
Check the steering knuckle with the dye penetration agent to
see weather has crack, if any crack is found, change the
steering knuckle.
2. Tear down the inner oil seal
drive shaft and the thrust
plate
steering knuckle.
Prize out the inner oil seal
drive shaft from the steering
knuckle with the screwdriver to take out the thrust plate
steering knuckle.
Suspension System and Automobile Axle(SF/4WD) Front Wheel Hub and Steering Knuckle (Steering Knuckle)
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SA-51
3. Tear down the needle bearing;
Tap out the steering knuckle small sleeve with hammer and
copper.
4. Tear down the needle bearing.
Tap out the needle bearing with the hammer and copper bar.
5. Mount the steering knuckle small sleeve;
Tap in the steering knuckle small sleeve with the special
service tool.
6. Mount on the needle bearing;
Tap in the needle bearing with the special service tool.
7. Mount on the thrust plate- steering knuckle;
Coat the needle roller of the needle bearing with the lithium
base grease, and plaster the lubricant on the both sides of the
thrust plate ñsteering knuckle.
Suspension System and Automobile Axle(SF/4WD) Front Wheel Hub and Steering Knuckle (Steering Knuckle)
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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)
Page 170 of 484

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)Nm
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)Nm
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)
Page 174 of 484
SA-63
1. Tear down the front long semi-axis and the front minor
half-shaft
Pull out the front long and minor semi-axis from the front
speed reducer with tool.
2. Tear down the front drive axle shaft sleeve and screw off
the bolts connecting the half-shaft sleeve.
3. Tear down the oil seal - front half-shaft:
Tear down the oil seal-front half-shaft with the special service
tool.
Change of Axle Shaft Oil Seal
snapping ring
front minor half-shaft
front speed reducer and differential
oil seal-front half-shaft
front long
semi-axis
snapping ring
88
NMspecified torque
Parts that cannot be reused after being used)
Suspension System Automobile Axle (SF/4WD)Front Speed Reducer (Change of Axle Shaft Oil Seal)
Page 175 of 484
SA-64
5. Mount on the upper front drive axle shaft sleeve,
Coat the bolt thread with thread locking agent.
Fastening torque88Nm 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)