Chery Tiggo 5 (T21). Manual — part 203
1
18
QR019CHB CVT
Description 18-3
Precautions 18-7
Operation 18-7
Tools 18-13
Specifications 18-14
Circuit Diagram
Transmission Control Unit (TCU)
Gear Shift Cable Inspection and
Adjustment 18-21
Transmission Range Sensor
Inspection 18-22
Transmission Fluid Temperature
Inspection 18-23
Turbine/Secondary Shaft Speed
Intermittent DTC Troubleshooting
Draining 18-110
Filling 18-110
Inspection 18-111
Removal 18-112
Installation 18-112
Removal 18-113
Installation 18-113
Removal 18-114
Installation 18-114
Removal 18-115
Installation 18-115
2
18
Secondary Shaft Pressure Sensor
Removal 18-118
Installation 18-118
Removal 18-119
Installation 18-120
Removal 18-121
Installation 18-121
Removal 18-122
Installation 18-123
Removal 18-125
Installation 18-126
Removal 18-127
Installation 18-128
18–
3
18
GENERAL INFORMATION
Description
Continuous Variable Transmission (CVT) is a kind of continuous mechanical transmission. The most
difference between CVT and common gear-type transmission is that CVT uses two groups of pulleys for
driving instead of complex and heavy gear combined drive. It shifts speeds by changing the contact radius of
drive pulley and driven pulley.
CVT mainly consists of the following components:
Torque converter
Planetary gear system
Drive and driven pulley system (transmission system)
Steel belt (steel belt consists of two groups of metal rings and hundreds of metal plates)
Oil pump
Valve body
QR019CHB CVT features with:
Automatic and manual modes.
Electronic hydraulic control.
At D gear, it realizes automatic continuous variable speeds; at M gear, it realizes manual 7-gear variable
speeds, providing users with dual driving fun.
It can keep engine lowest speed at a certain vehicle speed.
It can reduce vehicle emission and NVH (Noise, Vibration, Harshness).
It can improve vehicle economy and reduce fuel consumption.
Accelerator pedal responses rapidly when accelerating. Acceleration is gentle and smooth without impact.
18–
4
18
1 - Rear Case
2 - Drive Clutch
3 - Transmission Case
4 - Torque Converter
5 - Torque Converter Case
6 - Input Shaft
7 - Oil Pump Thrust Gasket
8 - Oil Pump
9 - Output Shaft
10 - Differential
11 - Steel Belt
12 - Output Pulley Shaft
13 - Input Pulley Shaft
5
6
7
8
9
10
4
3
2
1
13
12
11
RT21180010
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