CHERY AUTOMOBILE CO., LTD Automatic Transmission Fault Diagnosis Manual
Com
A mbly’s service
Tr level inspection
al operating temperature before fluid level inspection: 80℃.
Park the vehicle on leveled ground.
ote: The control handle must be pulled to position P when inspecting the fluid level.
P.
t the oil gauge and inspect the fluid level.
The correct fluid level must be between the minimum and maximum marks.
nging the oil, please use the recommended hydraulic fluid. Otherwise, it
aked circuit hose and sealing.
inimum mark, fill the oil from the oil pipe and inspect if
If the fluid level is higher than the maximum mark, the transmission is too full. Drain the oil
from the oil pan’s drain plug. Then inspect the fluid level.
mon oil leaking
Fault description Fault diagnosis Actions
The ousing’s sealing gasket. Replace the gasket. torque converter leaks H
at its housing.
Cracks on the converter’s welding seam. Replace the torque converter
It eaks at the contact The connecting bolt is loose. l Tighten the connecting bolt
surface between the
transmission and converter.
It leaks at the contact
surface between the
The oil pan’s connecting
transmission and oil pan.
bolt is loose. Tighten the connecting bolt
Replace the oil pan, if necessary.
The side cover’s gasket is loose. Replace the gasket.
It
su
leaks at the contact
rface between the
sion and side cover.
The side cover’s connecting bolt is loose. Tighten the side cover’s connecting
bolt.
transmis
The side cover’s gasket is damaged. Replace the side cover gasket.
It leaks at brake C’ and the
aulic cylinder head
Defective O ring on the cylinder head. Replace the O ring
hydr .
.
It leaks at
adjusting bolt.
the brake band’s
Defective O ring on the brake band’s push
rod
Replace the O ring.
The positioning bolt is loose. Tighten the positioning bolt. It lea at the driven shaft
bearing’s outer race
positioning bolt.
Defective sealing ring Replace the sealing ring.
ks
It leaks at connection of the
air throttle’s cable.
Defective O ring at the joints.
Replace the O ring.
Replace the air throttle cable, if
necessary.
It leaks at the differential. Defective oil sealing at the input shaft. Replace the input shaft’s oil sealing.
Defective O ring Replace O ring. It lea the housing of the
odometer drive gear.
The connecting bolt on the housing is loose. Tighten the connecting bolt. .
ks at
Defective O ring Replace O ring. It leaks at the seat of the
odometer’s driven gear seat.
The seat plug is damaged. Replace the rack.
The fluid level is too high. Adjust fluid level.
It leaks at the throttle.
The oil grade is not correct. Drain the oil. Use the correct
hydraulic fluid. Replace the
transmission, if necessar
.
It efective shift shaft oil sealing Replace the shift shaft oil sealing. leaks at the shift shaft. D
utomatic transmission asse
Service on the whole vehicle
ansmission fluid
Note: Preheat to norm
1.
N
2. Pull the control handle to position
3. Pull ou
4.
Note: when filling and cha
will lead to damaged or le
5. If the fluid level is lower than the m
there is any leaking.
6.
40
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