2006 GREAT WALL SO COOL gearbox

MT-11Gearbox
Disassembly of Gear Box
(c) Dismantle the nuts of the four-gear driven extension fram.
(d) Tap the extension frame lightly with rubber hammer to tear
down the selective gearshift shaft and selective rocker
arm.
8. Tear down front cover.
Dismantle the eight bolts and front cover and axial oil seal.
9. Tear down the input shaft, axial/bearing open ring and
countershaft bearing open ring.
10. Dismantle the gearbox frame from the central link plate,
(a) Put the gearbox straightly as shown in the drawing.
(b) Tap out the gearbox frame out carefully with the rubber
hammer. And
(c) Pull out the gearbox frame out from the central link plate
as the drawing shows
4WD

MT-12Gearbox
Disassembly of Gear Box
11. Grip the central link plate in the table vice,
(a) Use two clutch bolts, washers and suitable nuts as shown
in the drawing.
Remark: mount the washer in the reverse direction, increase
and decrease the washer quantity to flush the bolts terminal
with the external face of the washer.
(b) Grip the central link plate in the table vice.
12. Tear down the locating spring bolts, locating spring and
locking ball,
(a) Dismantle each locating spring bolts with the torque socket
spanner.
(b) Take out the toggle fork axles of the first, second, third,
fourth and reverse as well as the axial locating spring and
locking ball of the fifth-gear toggle fork.
13. Tear down the axial retainer ring of the gearshift fork
Tap the axial retainer ring of gearshift fork lightly with two
screwdrivers and one hammer.

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