Great Wall Hover. Instruction — part 14
Installation of ball pin
1. Install the upper ball pin on the upper arm
Tightening force: 78
5N
m
2. Install the lower ball pin on the lower arm
Tightening force: 140
10N
m
3. Install the steering knuckle and front hub assembly
(Refer to section “Front Hub and Steering Knuckle”)
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Torsion bar spring
Disassembly of torsion bar spring
1. Make the assembly mark on the torsion bar spring,
torsion base and adjusting arm
2. Measure the length A of extension section of bolt
according to the length shown in figure.
Remarks: The measuring value is for reference when adjust the
ground clearance of chassis.
3. Loose the adjusting bolt until the torsion bar spring
has not the tension.
4. Remove the fixed arm and torsion bar spring
Installation of torsion bar spring
Remarks: There are the L and R indication marks, which must not
be exchanged on the rear end of the torsion bar spring. Mark L
means the left while R for right
1. For reused torsion bar spring
a. Cost the spline of torsion bar spring with grease thin.
b. Align the assembly mark and install the torsion bar spring on the
torsion bar.
c. Align the assembly mark and install the adjusting arm on the
torsion bar spring.
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d. Tighten the adjusting bolt and make the extension length of the
bolt equal to the value before disassembly.
2. For new torsion bar spring
a. Remove the wheel.
b. Coat the spline of torsion bar spring with thin grease.
c. Install the torsion bar spring on the torsion bar base.
d. Lower the lower arm to the lower limitation position; install
the adjusting arm in the torsion bar spring with the angle that
the adjusting bolt just can be screwed on the upper adjusting
block.
Remarks: It can repeat for several times until proper when
adjust the angle.
e. Tighten the adjusting bolt to the specified torque.
Nut tightening limitation: A is about 20-35mm; if A>35mm,
then it is adjusted through height of adjusting arm.
f. Install the wheel; remove the bracket; bounce the vehicle for
several times to make the suspension enters into the stable
status.
g. Rotate the adjusting bolt and adjust the ground clearance of
chassis (Refer to 4-Wheel Alignment).
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Lower suspension arm
Disassembly of lower suspension arm
1.The disassembly of the front hub and steering knuckle
assembly includes the removal of vibration damper,
stabilizer bar and steering cross rod.
(Refer to the section “Front Hub and SteeringKnuckle”)
2. Disassembly of torsion bar spring
(Refer to section “Torsion Bar Spring”)
3. Remove the front shaft of lower arm
a. Make the assembly mark on the adjusting cam
b. Remove the nut and front shaft of lower arm.
4. Screw off the rear shaft of lower arm
Screw off the nut; remove the rear shaft of lower arm shaft and
remove the lower suspension arm.
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Replacement of bush of lower suspension arm
1. Remove the short bush of lower suspension arm
Use the special tools to press out the short bush form
the lower arm.
2. Installation of short bush of lower suspension arm
Use the special tools to press the new short bush into
the lower arm
Remarks: Do not coat the bush with the grease.
3. Removal of long bush of lower suspension arm Use
the special tools to remove the long bush.
special tools
special tools
4. Install of long bush of lower suspension arm Use
the special tools to install the new bush.
Remarks: Do not coat the bush with the grease.
special tools
special tools
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Installation of lower suspension arm
1. Installation of lower suspension arm
a. Install the rear shaft of lower arm and tighten the screw to
the specified torque.
Tightening force: 290
25N
m
b. Install the front shaft of lower arm and pretighten the nut.
2. Installation of front hub and steering knuckle
assembly
(Refer to section “Front Hub andSteeringKnuckle”)
3. Install the vibration damper on the lower suspen
sion arm Install the vibration damper on the
lower suspension arm bracket.
Tightening force: 90
10N
m
4. Connect the stabi lizer barto the lower susp
ension arm.
Tightening force: 63
5N
m
5. Connect the steering cross rod to the steering
knuckle arm
a. Connect the steering cross rod to the steering knuckle arm.
Tightening force: 120
10N
m
b. Install the new split pin.
Remarks: It should align the notch of nut with the pinhole
when install the split pin; the nut can be tightened but not
loosed during the alignment.
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6. Install the torsion bar spring
(Refer to the section “Torsion Bar Spring”)
7. Tighten the nut of front shaft of lower arm to the
specified torque
a. Install the wheel, remove the bracket and bounce the vehicle
for several times to make the vibration damper enters into the
stable status.
b. Align the assembly mark and tighten the nut to the specified
torque.
Tightening force: 240
20N
m
8. Check the wheel alignment parameter
(Refer to 4-Wheel Alignment)
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Upper suspension arm
Disassembly of upper suspension arm
1. Disconnect the upper ball pin form the steering
knuckleRemove the split pin and nut; use the special
tools to disconnect the upper ball pin from the steering
knuckle.
2. Remove the brake oil pipe on the upper arm shaft
a. Use the open-end wrench to screw off the oil pipe tight nut.
b. Pull out the brake oil pipe and plug it by the rubber plug.
Remarks: There are two two-way valves for rear brake oil pipe
beside the right upper arm shaft ; when remove the right upper
suspension arm, it must remove four oil pipe tight nuts in the
place and plug it by the rubber plug to prevent the brake fluid
from overflowing.
3. Disconnect the brake hose form the brake caliper
Remove the hollow bolt and disconnect the brake hose
form the brake caliper
Remarks: Must not lose the copper gasket seal.
4. Disconnect the brake hose from the upper arm oil
pipe bracket.
Use the pliers to pull out the sheet steel spring clip and
disconnect the brake hose from the upper arm oil pipe
bracket.
5. Remove the upper suspension armRemove two bolts
and remove the upper suspension from the armcarriage.
Remarks: Keep the adjusting shim and don’t lose it. Record the
thickness of front and rear adjusting shim for convenience of
reinstalling them in the original position.
special tools
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Replacement of upper arm bush
1. Remove the bush
a. Remove the bolt and washer.
b. Use the special tools to push out the bush.
c. Remove the upper arm shaft; remove another bush in same
procedure.
2. Install the bush
a. Use the special tools to press in the bush.
b. Install the upper arm shaft; use the special tools to press in
another bush.
3. Tighten the upper arm shaft to specified torque.
a. Coat the screw of both ends of upper arm shaft with the
screw lock sealant; install the washer and nut.
Remarks: Adjust the position of upper lower; make the
installation plane of ball pin is vertical to the installation
plane of upper arm shaft.
special
special
special
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b. Tighten the upper arm shaft nut to specified torque.
Tightening force: 210
10N
m
Installation of upper suspension arm
1. Install the upper suspension arm on the carriage
a. Install the upper suspension arm and camber adjusting shim.
b. Tighten all bolts to the specified torque.
Tightening force: 200
10N
m
Remarks: Install the shim with same quantity and thickness to the
original position.
2. Connect the brake oil pipe of upper arm shaft Tighten
the oil pipe compression nut to specified torque.
Tightening force: 15-17N
m
Remarks: It should tighten four connectors of two two-way valves
to the specified torque if disassemble the right upper arm.
3. Connect the brake hose to the upper arm oil pipe
bracket
a. Thread the brake hose through the hole on upper arm oil pipe
bracket.
b. Insert the sheet steel spring clip by the hammer to fix the brake
hose.
4. Connect the upper ball pin to the steering knuckle.
a. Tighten the slotted nut according to the specified torque.
Tightening force: 145
15N
m
b. Install the new split pin.
Remarks: It should align the notch of nut with the pinhole when
install the split pin; the nut can be tightened but not loosed during
the alignment.
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5. Connect the brake hose to the brake caliper.
Install the copper gasket seal and tighten the hollow bolt to the
specified torque.
Tightening force: 50±5N·m
6. Discharge the air in front brake system
(Refer to relevant chapter)
Remarks: It must discharge the air in the rear brake system
if disassembly the right upper arm.
7. Check the brake fluid for leakage
8. Tighten the upper arm front shaft nut to the
specified torque
a. Install the wheel, remove the bracket and bounce the vehicle for
several times to make the vibration damper enters into the stable
status.
b.Align the assembly mark and tighten the nut to the specified
torque.
Tightening force: 240±20N·m
9. Check the wheel alignment parameter
(Refer to 4-Wheel Alignment)
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Stabilizer bar
Disassembly of stabilizer bar
1. Disconnect the connecting bar which supports both
ends of the stabilizer bar form the stabilizer bar.
Use the inner hexagon spanner to fix the ball pin; remove the self-
locking nut.
2. Remove the bush and clip of stabilizer bar; remove
the stabilizer bar
Installation of stabilizer bar
1. Install the stabilizer bar on the carriage
Place the stabilizer bar in position; install the stabilizer bar bush and
clip on the carriage. Align the mark on the stabilizer bar to keep the
left and right gap of stabilizer bar are same. Then install the bolt
temporarily and pretighten it.
2. Connect the stabilizer bar to the connecting rod.
Install and tighten the new nut to the specified torque.
Tightening force: 63
5N
m
3. Tighten the clip position bolt to specified torque.
Tightening force: 23
2N
m
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Constant-speed drive shaft assembly
Installation and disassembly drawing of front drive shaft assembly on front drive axle
hanger plank
R
universal-joint bearing
front reducer and electric clutch assembly
Power plug of electric clutch
circlip
hanger plank
L
constant-speed drive shaft
circlip
lower segment of vent tube of front drive axle
circlip
circlip
Pregummed component
N
m: specified torque
universal-joint oil seal
universal-joint bearing
constant-speed drive shaft assembly
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1. Place the car in the middle of repair platform or
trench, support the front of the car steadily(support
on the carriage) then remove the left and right
front wheel. (make the car in 2WD status before
the disassembly)
2. Remove the beam on the lower of front drive axle
assembly.
3. Disconnect the connection of front drive axle
flange and drive shaft and make the assembly
mark
4. Drain the lubrication oil in reducer.
bolt
front hub cover
circlip
adjusting washer set
flange
disconnect three ports in this position
N
m: specified torque
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9. Use the wrench to screw off the bolt which fixes
the lower segment assembly of front drive axle
vent tube on the vent tube bracket.
10. Support the front drive axle by the jack; screw
off the lifting bolt of hanger plank and carriage.
11. Remove the complete drive axle.
12. Screw off the connecting bolt of hanger plank and
front drive axle assembly.
13. Pull out the left and right front drive shaft
assembly with the oil seal, hanger plank and
bearing.
se the circlip pliers to remove the outside circlip
of bearing.
15. Use the special tools pull out the bearing.
16. Use the circlip pliers to remove the circlip on
another side of bearing.
Caution: During the disassembly, support the lower end of
drive shaft and prevent the drive shaft from sliding out from
the inner jacket, meanwhile, it could not damage the inner
and outer jacket.
wrench
circlip pliers
support the lower end
hold
special tools
shim
support the lower end
supporting position
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Constant-speed drive shaft assembly
pliers
Disassembly of constant-speed drive shaft
assembly
1. Check the front drive shaft assembly
a. Check the inner trumpet connector; it could slide in axial
direction smoothly.
b. Check the universal-joint position; it should be without the
clear clearance in radius direction.
c. Check the inner and outer jacket for damage.
Caution: It should use the pad when clamp the front drive
shaft to avoid the damage of it.
2. Remove the large clip of inner jacket
Caution: Do not damage the inner and outer jacket
inner trumpet connector
circlip
three-pin section assembly
large clip of inner jacket
inner jacket
small clip of inner jacket
small clip of outer jacket
outer jacket
large clip of outer jacket
outer trumpet connector
dustproof cover
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