gearbox GREAT WALL SO COOL 2006 User Guide

MT-13Gearbox
Disassembly of Gear Box
14. Tear down the five-speed gearshift toggle fork,
(a) Punch out the spring pin with impact head and hammer.
(b) Tap the five-speed gearshift fork until take it out.
Notice: It must be the neutral location this time.
15. Tear down the guiding module of the five-speed gear-
shift and five-speed reverse shift fork axle.
(a) Take out the inter-locking steel ball from the guiding
module of the fifth reverse shift-shaft.
(b) Tear down the fifth reverse shift guiding module and fifth
reverse shift fork axle.
16. Take out the five-speed gearshift fork axle

MT-14Gearbox
Disassembly of Gear Box
17. Tear down the reverse shift fork axle, reverse rocker
arm, reverse toggle lever and toggle block
(a) Tap out the spring pin with the nail punch and hammer.
(b) Take out the interlocking ball and interlocking guidepost
between the reverse shift fork axle and the five-speed
gearshift fork axle.
(c) Tear down the reverse shift fork axle, and
(d) Tear down the reverse rocker arm and yoke block.
18. Tear down the first-second-speed gearshift fork axle.
(a) Take out the interlock pin and interlock guide post between
the reverse shift fork axle and the five-speed gearshift fork
axle.
(b) Dismantle the locating bolts of the toggle fork of the first-
second-speed gearshift toggle fork.
(c) Dismantle the fork axis of the first-second-speed gearshift.
(d) Take out the short interlock pin between the first-second-
speed gearshift fork axle and the third-fourth-speed gear-
shift fork axle

MT-15 Gearbox
Disassembly of Gear Box
19. Tear down the third-fourth-speed gearshift fork axle and
the toggle forks of first-second speed gear and third-
fourth speed gear.
(a) Tap out the spring pin with the nail punch and hammer.
(b) Tear down the toggle forks of the third-fourth and first-
second-speed gearshift.
20. Tear down the coupling gear, synchronizer, gear cluster,
thrust washer and needle bearing of the five-speed
gearshift
(a) Tap down the retainer ring of the rear countershaft with
two screwdrivers and one hammer.
(b) Tear down the synchronizer assembly, coupling gear and
gear cluster of the five-speed gearshift. And
(c) Dismantle the five-speed needle bearing.
21. Tear down the thrust washer and five-speed lock ball.
(a) Tear down the thrust washer of five-speed gear.
(b) Take out the lock ball with magnetic rod.

MT-16 Gearbox
Disassembly of Gear Box
22. Tear down the reverse rocker arm bracket
Dismantle the two bolts and the reverse rocker arm bracket.
23. Tear down the reverse idle gear and reverse idle gear
axle
(a) Dismantle the setting bolts of idle gear and the pressing
plate of reverse idle gear axle.
(b) Dismantle the reverse idle gear and the reverse idle gear
shaft.
24. Take down the bearing baffle of the output shaft.
(a) Dismantle the four bolts with torque socket spanner.
(b) Take down the bearing baffle of the output shaft.
25. Dismantle the intermediate-gear shaft.
(a) Pry out the split ring of the rear bearing of the intermediate-
gear shaft with the split-ring-type pliers.

MT-17 Gearbox
Disassembly of Gear Box
SST
push down
to close
(b) Taker apart the rear bearing of intermediate shaft with
SST tool and wrench.
(c) Take down the intermediate shaft.
26. Tear down the input shaft
Tear down the bearing with 13 needles and synchronizing ring
from the input shaft.
27. Tear down the output shaft
(a) Dismantle the stop ring from the output bearing with split-
ring-type pliers.
(b) Tap lightly the central link plate with rubber hammer while
pulling the output shaft manually to tear down the output
shaft.
28. Check the back-up lamp switch
Check the terminal connection, when the switch is pressed
down, as shown in the drawing, it is connected, otherwise is
disconnected, in case the switch is not in conformity with this,
it shall be changed.

MT-18Gearbox
Input Shaft Assembly (Element Drawing, Inspection On Synchronizing Ring, and BearingChange)
Input Shaft Assembly
Inspection on Synchronizing Ring
1. Run the synchronizing ring and put it into the assembly
to check its stopping performance
2. Check the clearance between the rear face of
synchronizing ring and the gear.
Standard clearance:
Tung tooth
(1
1.6)mm
Upper tooth
(1.5
1.8)mm
Limit clearance
0.8mm
Bearing Change
1. Tear down the input shaft bearing with the pressure
machine.
retainer ringbearing stop ringbearinginput shaftneedle bearing
synchronizing ring
element drawing

MT-19Gearbox
Input Shaft Assembly (Bearing Change)
ppq
2. Mount the new bearing with pressure machine and SST.
3. Select the retainer ring to obtain the minimum axial clearance
4. Mount the retainer ring with the split-ring-type pliers.
5. Mount the retainer ring with the split-ring-type pliers.

MT-33Gearbox
Rear Housing Assembly (Element Drawing, Change of Oil Seal, Change of Shaft Bush)
Rear Housing Assembly
Element drawing
Change of Oil Seal
1. The rear housing oil seal shall be changed where necessary.
(a) Dismantle the oil seal with SST.
(b) Press in the new oil seal with SST
2. The driven oil seal of speedometer shall be changed
where necessary
(a) Pry out the oil seal with SST.
(b) Tap the new oil seal into the shaft bracket with SST.
Change of Shaft Bush
The shaft bush shall be changed where necessary
(a) Tear down the oil seal and dust bush.
(b) Heat the ending parts of extension frame to 80
-100
in
the oil groove.
(c) Tear down the shaft bush with SST and mount on the new
shaft bush.
SST
SST
SST
SST
SST
oil reservoirlocating spring bolts and
spring cylindrical pinrear housing oil seal
assemblyrear housing dust
cover
oil groove
component element
of position-limit
mechanismrear housing
cluster

MT-34Gearbox
Rear Housing Assembly (Inspection On and Change of The Component Elements of Position-Limit Mechanism)
Inspection on and change of the component
elements of position-limit mechanism
1. Tear down the component elements of position-limit
mechanism
(a) Dismantle the bolts with the torque socket spanner.
(b) Punch out the spring cylindrical pin with the drift punch
and hammer.
(c) Tear the component elements of position-limit mechanism
down.
2. Check the component element of position-limit mechanism.
Run and propel the limit stop and the limit stop can return
to the original location automatically, otherwise, change the
limit stop.
3.
Mount the component element of position-limit mechanism
(a) Mount the component elements of position-limit mecha-
nism in the rear housing.
(b) Tap the spring cylindrical pins in with drift punch and
hammer as shown in the drawing.

MT-35Gearbox
Rear Housing Assembly (Inspection On and Change of The Component Elements of Position-Limit Mechanism)
(c) Coat the sealing agent on the bolt thread.
(d) Propel the plug with the torque socket spanner.