Great Wall service chassis and body Manual - part 42

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 ring

bearing 31306

front speed

reducer shell

oil-guard tray

flange and dust cover

driving bevel gear oil seal

jacket

oil seal-front half-shaft

 Parts that cannot be reused after being used

specified torque

N

M

140-210

bearing 32307

driving bevel gear oil seal

speed reducer cover

adjusting washer

bearing 50KB801

47

cap-differential
bearing

78

 lock plate

adjusting washer

half axle gear thrust

gasket

planetary gear shaft

half-axle gear

planetary gear stop gasket

planetary gear

axle driven bevel gear

front differential housing

adjusting gasket

pin

70-90

retainer ring

front long semi-axis

bearing 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-66

Disassembly of Front Speed Reducer

1.

Tear down the speed reducer cover:

Screw off the eight bolts connecting the speed reducer cover.

2.

Tear down the front long semi-axis and the front minor

half-shaft:

Tear down the front long semi-axis and the front minor half-

shaft from the speed reducer assembly with the special service

tool.

3.

Tear down the front drive axle shaft sleeve

Screw off the four bolts connecting the front drive axle shaft

sleeve.

4.

Tear down the oil seal ó front half-shaft;

Tear down the oil seal ófront half shaft with the special service

tool.

5.

Check the swing difference of the axle driven bevel gear;

Run the flange to measure the axle driven bevel gear with the

dial-indicating lamp.

Swing difference)

0.07mm

Max swing difference: 0.07 mm

In case the swing difference is more than 0.07 mm, change the

compete package of driven bevel gear.

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.