Chery A15. Manual — part 281

(2) Bar Code Label

Figure 3 Bar Code Label

Note: different driving ratio will be used on the gearbox when the car is traveling in
different traffic conditions. Therefore, the selected gearbox assembly components
shall be correct during maintenance, improper part number will affect the driving
ratio of the gearbox.
Caution: the gear and shaft of one gearbox are not interchangeable with those of
another gearbox; otherwise, the gearbox will not function properly.
The differential assembly is supported by a needle roller bearing.




III. Gearbox Transmission Ratio
The following is a list of various driving ratios of A15 gearbox. The status of the input
shaft brake of reverse gear is also illustrated in the list, which makes it easy to engage the
reverse gear and can reduce gear abrasion.





Driving ratio:
First gear: 3.50
Second gear: 1.95
Third gear: 1.36
Fourth gear: 0.97
Fifth gear: 0.81
Reverse gear: 3.42
Final ratio: 4.12
Reverse brake: Yes

Clutch control system: hydraulic control






IV. Gear Lever
The arrangement of gears is laid out in a double H shape. (Figure 4)

Figure 4: Gear Arrangement of A15 Gearbox

V. Filling Lubricant
Note: all Manual A15 gearboxes are required to use ATF+4 Automatic Gearbox Oil. No
gear oil and engine oil is allowed. Application of incorrect gearbox oil will result in
difficulty in gear shifting and troubles in bearing, gear and synchronizer.
Except the aforesaid gearbox oil, no other oils are recommended to be filled into the
gearbox as they will possibly affect the performance of oil seals.
Please refer to Gearbox Maintenance for the filling of gearbox oil.

Chapter Three: Troubleshooting

Most gearbox troubles are difficulty in gear shifting and impact and noise during gear
shifting, which are caused by insufficient lubrication, improper lubricant, damaged
internal component and improper operation.
I. Difficulty in gear shifting
The trouble is possibly caused by clutch fault, improper adjustment or deformation of the
gear-shifting transmission mechanism or its interference with other parts, failure of the
synchronizer’s synchronizing ring, improper assembly of synchronizer components,
incorrect installation of synchronizer coupling or abrasion or damage of the gear ring or
spring gear tooth.
Worn, damaged, improperly assembled parts or leakage in hydraulic system may also
cause difficulty in gear shifting.
II. Gear detachment
The trouble is possibly caused by improper adjustment of the gear shifting mechanism,
deformation of the gear-shifting transmission mechanism, failure of the gear-shifting
locking mechanism, abrasion of the synchronizer coupling or gear tooth surface.
III. Gear confusion
The trouble is possibly caused by loosened gear-shifting transmission mechanism,
loosened or worn-out gearbox gear-shifting mechanism or failure of gearbox interlocking
device.
IV. Noise in operation
Gearbox noise is usually caused by component damage or abrasion.
The noise may also be caused by worn-out gear or synchronizer tooth, incorrect axial
clearance of the gear or broken bearing. Worn-out and damaged internal components are
most usually caused by insufficient lubrication.
V. Abnormal noise at reverse gear
It is possibly caused by clutch fault or reverse gear damage.
VI. Skidding gear
Skidding of gearbox gears is possibly caused by gear-shifting component damage,
abrasion of drive gear and synchronizer tooth or incorrect assembly.
VII. Insufficient lubricant
Insufficient lubricant is usually due to leakage or incorrect checking method. In the case
of leakage, there will be apparent oil pooling around the leakage. Compressed air may be
blown into the gearbox body to force the oil out of the leakage.
VIII. Overheated gearbox
It is possibly caused by insufficient gearbox oil quantity or viscosity, insufficient gear
engagement clearance or insufficient bearing clearance.
IX. Clutch trouble
Clutch hydraulic system leakage or air inflow may cause incomplete disengagement of
clutch.
Clutch component abrasion, damage or burn may cause trouble in gear shifting or impact
and noise during gear shifting; abrasion or damage of clutch disc, pressure plate or
damping spring may also cause trouble in gear shifting or impact during gear shifting.

Chapter Four: Fixing and Unfixing of Gearbox

Section One: Unfixing of Gearbox

(1) Open the engine cover
(2) Unfix the air filter assembly (Figure

5)

(3) Dismantle the two cables of storage
battery.
(4) Unplug the backup light switch
(Figure 6)



1-Plug
2-Backup light switch






(5) Unfix the gear-shifting cable bracket
and bracket snap ring (Figure 7).
(6) Detach the gear-shifting cable
(Figure 7).
1-Gear lever plate
2-Gear lever plate connecting cable
3-Gear lever head
4-Gear lever

Figure 5 Fixing/unfixing the air filter

Figure 6 Backup Light Switch Plug

Figure 7 Gear-shifting Cable of the

gearbox