GREAT WALL PEGASUS 2006 Service Manual

SA-40
Change of Lower Arm Shaft Bush and Tube
1. Tear down the lower arm shaft bush and shaft tube:
(a) Tear down the large and small pinch-off gaskets of the
lower arm shaft bush first.
(b) Tear down the lower arm shaft bush and tube.
2. Mount the lower arm shaft bush and tube.
(a) Press down the lower arm shaft bush and tube.
(b) Press down the large and small pinch-off gaskets of the
lower arm shaft bush.
Mount of Lower Arm
1. Mount on the lower arm
Align the marks on the eccentric gasket and on the frame, and
then screw up the lower arm bolt.
2. Connection for lower ball stud and lower arm:
Mount the lower ball stud and the lower arm ball stud seat
together.
Fastening torque
(142
0)N
m
3. Vibration damper mount
Mount the vibration damper on the lower arm bracket;
Fastening torque
(137
0)N
m
Suspension System and Automobile Axle (SF/2WD)
Front Suspension (Lower Arm and Vibration Damper)

SA-41
4. Mount the transverse stabilizer rod on the lower arm;
Fastening torque
(23
)N
m
5. Check the Alignment of Front Wheel;
(See Page SA-6)
Suspension System and Automobile Axle (SF/2WD)
Front Suspension (Lower Arm and Vibration Damper)

SA-42
Upper Arm
Dismantle of Upper Arm
1. Tear down the torsion rod spring:
(See page SA-19)
2. Tear down the upper ball stud:
(a) Support the upper arm with a jack.
(b) Tear down the four sets of bolt and nut.
3. Upper arm dismantle
Tear down the bolts to take down the upper arm.
Change of the Upper Arm Shaft Bush
(Short) and the Upper Arm Shaft Bush
and Tube
1. Tear down the upper arm shaft bush (short) and the
upper arm shaft bush and tube (long)
(a) Tear down the torsion bar yoke, the nuts as well as the
large and small pinch-off gaskets of the upper arm shaft
bush.
(b) Push out the upper arm shaft bush (short) and upper arm
shaft bush and tube.
2. Mount on the upper arm shaft bush (short) and the upper
arm shaft bush and tube (long):
(a) Press the upper arm shaft bush and tube (long) in the
upper arm, and encase the upper swing arm shaft, and
then encase the upper arm shaft bush (short).
(b) Mount on the large and small pinch-off gaskets of upper
arm shaft bush and screw up the nuts.
Fastening torque
(225
)N
m
(c) Mount on the torsion bar yoke.
Notice: the notch of torsion bar yoke should face
downward;
Fastening torque
(89
)N
m Suspension System and Automobile Axle (SF/2WD)
Front Suspension (Upper Arm)

SA-43
Mount of Upper Arm
1. Screw up the axle nut of upper arm according to the
specified torque;
Fastening torque
(225
)N
m
2. Mount on the upper arm;
Screw up the three bolts of the upper swing arm shaft according
to the specified torque;
Fastening torque
(178
5)N
m
3. Connect the upper arm ball stud with the upper arm;
Use four sets of bolt and nut to connect the upper arm ball stud
and the upper arm.
Fastening torque
(27
)N
m
4. Mount the torsion rod spring;
5. Check the Alignment of Front Wheel:
(See Page SA-6)
Suspension System and Automobile Axle (SF/2WD)
Front Suspension \(Lower arm, Guide Lever and Transverse Stabilizer Rod)
Guide Lever
(See page SA-26)
Transverse Stabilizer rod
(See page SA-27)

SA-44
Front Wheel Hub and Steering Knuckle
Element Figure
Suspension System and Automobile Axle (SF/4WD)
Front Wheel Hub and Steering Knuckle
lock ring
cushion block nut
lock ring
cushion
block
shock
absorberupper arm
transverse stabilizer rod
bolt
transverse stabilizer
rod gasket

rubber snubber
washer
stabilizer rod limit tubebrake
caliper rubber
snubber
washer
constant speed
drive shaft needle
bearingsteering knuckle
steering knuckle
small sleeve
retainer ring
washer-spline of
steering knuckle
shaft thrust plate-
steering knuckle

inner oil
seal- drive shaft
brake oil pipe bracket
steering
knuckle arm
brake shell
dust cover

oil seal -
front hub
front hub bearing
(inner)
front wheel hub and
front brake discstop washer
lock plate
front hub bearing
(out)
steering knuckle
big nut
free wheel hub
noumenongasket
free wheel
hub cap
gasket


liner
lower ball stud








Parts that cannot be reused after being used
specified torque
N
m
135-155
6-12 25-29


25-29 70-90
132-152
20-26
180 127-147132-152123
SF 4WD
transverse stabilizer rod gasket

transverse stabilizer rod gasket

transverse stabilizer
rod gasket

transverse stabilizer
rod gasket

SA-45
2. Tear down the free hub.
3. Tear down the retainer ring and the axle spine of washer-
steering knuckle:
Tear down the retainer ring with the pliers for retainer ring, and
take down the axle spline of washer-steering knuckle by hand.
4. Tear down the front wheel hub and front brake disc:
(a) Prize up the lock plate with screwdriver.
(b) Tear down the steering knuckle nut with special service
tool to take out the lock plate.
(c) Tear down another steering knuckle nut with special
service tool to take out the stop washer.
(d) Tear down the front wheel hub and the front brake disc.
Front Wheel Hub
Disassembly of Front Wheel Hub
1. Tear down the brake caliper:
(a) Tear down the Bundy tube from the brake caliper and
block the pipeline of Bundy tube with cork.
(b) Tear down the brake caliper from the steering knuckle.
Suspension System and Automobile Axle (SF/4WD)
Front Wheel Hub and Steering Knuckle (Front Wheel Hub)

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-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)