Chery·Maintenance Manual for Oriental Son
Automatic Transmission
Checking Sequence 14
Poor acceleration
Possible cause
Acceleration ability is poor even if the car is
geared down during traveling. The reason is
possibly trouble in engine, brake or clutch.
Engine trouble
Clutch or brake trouble
Checking Sequence 15
ibration
Possible cause
Check the engine
Check the ignition system,
fuel system and main
machine sy tem
Repair, replace
s
V
There is vibration during constant-speed
traveling or acceleration/deceleration at highest
ear. In that case, the reason is possibly
normal pressure of damp clutch or trouble in
engine, damp clutch control solenoid valve,
hydraulic torque converter or valve body.
Abnormal pressure of damp clutch
Engine trouble
Damp clutch control solenoid valve trouble
Hydraulic torque converter trouble
Valve body trouble
g
ab
检查顺序 16
Checking Sequence 16
Check the brake or clutch
Check if there are any
surface burns, damages of
piston seals and interference
by the jacket.
Norma
Abnormal
l
MUT-Ⅱ Actuator test
Serial No. 6 damp clutch control
solenoid valve
Normal: actuation noise can be
heard
Replace damp clutch control solenoid
valve
Does the same problem occur
after the oil temperature sensor is
detached?
Check the engine
Check the control system, ignition
system, fuel system and main machine
system
Oil pressure test (refer to Page 23-
51)
Measure damp clutch pressure
Standard value: refer to Page 23-
52
Disassemble, clean and reassemble the
valve body
Pay special attention to loosened bolts and
damaged O-rings and valve body
Replace the valve body assembly in the
case of damage that can’t be repaired
Replace hydraulic torque
converter assembly
Abnormal
Norma
No
Abnormal
Yes
Normal
l
92