Chery SQR 7160 sedan. Manual — part 73

CHERY AUTOMOBILE CO., LTD Automatic Transmission Fault Diagnosis Manual

4HP14 Automatic transmission fault diagnosis

Fault analysis when the control handle is at Position P

Fault analysis when the control handle is at Position R

Fault analysis when the control handle is at Position N

Fault analysis when the control handle is at Position D

Fault analysis when the control handle is at Position 2

Fault analysis when the control handle is at Position 1

Other common fault analysis

Oil leaking fault

Fluid pressure inspection procedure

Oil leaking position inspection

Common oil leaking

4HP14 Automatic transmission assembly’s service

Vehicle Service

Transmission fluid level inspection

Oil changing

Oil feed filter screen and gasket

Housing gap sealing

Gearshift cable adjustment

Air throttle cable removal and assembly

Air throttle cable adjustment

Air throttle cam

Neutral start switch

Control mechanism electromagnectic interlock

Oil feed pipe

Vehicle speed sensor

Oil pan and gasket

Side cover and gasket

Odometer drive gear case

Transmission shaft oil sealing

Oil cooling pipe

Left back suspension

Front suspension

Removal and assembly of the automatic transmission on the vehicle.

Interior disassembly of the automatic transmission.

Service of major parts inside the transmission

Band brake C’

Intermediate seat, brake C and oil pump assembly

Clutch B and gear 2 one-way overrun clutch

Clutch A

2

CHERY AUTOMOBILE CO., LTD Automatic Transmission Fault Diagnosis Manual

Clutch E

Housing

Main back output gear

Parking mechanism

Control valve plate assembly

Clutch A and brake D control valve plate

Bottom valve plate

Main valve plate

Transmission assembly

Brief introduction of automatic transmission structure and working

principle

Brief introduction of the transmission

Torque converter

Oil pump

Planetary mechanism

Control elements

Power transfer

Parking brake

Hydraulic control system

Centrifugal governor

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CHERY AUTOMOBILE CO., LTD Automatic Transmission Fault Diagnosis Manual

4HP14 Automatic transmission technical parameters.

Transmission Technical Parameter

Design ability

Input torque

100-270N.m

Converter maximum gain coefficient

1.9-2.5

Converter diameter

260mm

Gear ratio

Gear 1

2.412

Gear 2

1.369

Gear 3 (maximum)

1.000

Gear 4

0.739

Back gear

2.828

Transmission weight

55kg

Torque converter weight

10.5kg

Fluid capacity

5.4L

Transmission oil grade

Dexron-ⅡDD,Ⅲ or Dexron-M

Fluid pressure

Position P，N，D，3，2，1 7～10kg/cm

２

Idle

Position R (back gear)

10～12kg/cm

2

Position D

10～13kg/cm

２

Stall

Position R

10～12kg/cm

２

Fluid level

Service

Fluid amount to be filled after the service

Removal, assembly and

replacement of oil pan

About 2.5L

Install new converter

About 2L

Assembly service

About 5.4L

Note: The transmission must be kept with correct fluid level. Fill in transmission fluid after each

service and check that the fluid level is correct.

Please refer to the Chapter of “Transmission fluid level inspection procedure” in this

manual for oil fluid inspection.

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CHERY AUTOMOBILE CO., LTD Automatic Transmission Fault Diagnosis Manual

Automatic transmission shift actuator’s working principle

P R N

D

3 2 1

Control handle position

Parki

ng

Back

Neutr

al

1

2

3

4

1

2

3

1

2

1

A

Drive

clutch

○ ○ ○ ○ ○ ○ ○ ○ ○

○

B 2

nd

gear clutch

○

Clutch

E

Direct

clutch

○ ○

○

C 2

nd

gear brake

○ ○ ○

○ ○

○

C’

2

nd

/4

th

gear

brake

○

○

○

○

Brake

D 1

st

/back brake

○

○

One-way overrun

clutch

○

○

○

〔○〕

1

st

gear one-way

overrun clutch

○

○

○

5