Geely Emgrand X7. Manual part - 312

 

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Geely Emgrand X7. Manual part - 312

 

 

 
 

In manual mode function, in order to prevent the low engine speed from affecting the normal engine operation 
and safety, the upshift with manual mode function needs to meet certain speed requirements; otherwise, upshift 
action will not be executed. The following table is the minimum upshift speed (actual speed may have smaller 
deviation) in the manual mode. 

Up gear

 

1-2

 

2-3

 

3-4

 

4-5

 

5-6

 

Speed (km/h)

 

>0

 

>12

 

>38

 

>45

 

>69

 

In manual mode function, in order to prevent the excessive engine speed from affecting the normal engine 
operation and safety, the downshift needs to meet certain speed requirements; otherwise, downshift action will 
not be executed. The following table is the minimum upshift speed (actual speed may have smaller deviation) in 
the manual mode. 

Downshift

 

6-5

 

5-4

 

4-3

 

3-2

 

2-1

 

Speed (km/h) 

<170

 

<146

 

<110

 

<70

 

<40

 

When the shift level in the uplift position or downlift position exceeds 500ms, the system defaults that the driver 
hopes to operate at the maximum or minimum gear position. At this time, even if the manual operation is not 
done any more, the gear also automatically gradually switch the maximum or minimum gear shifts allowed by 
the current speed. 

When the position of the accelerator pedal exceeds 80%, the system will withdraw from the manual mode, and 
at this tie, the control strategy of the gear D will be performed. 

During manual shift, the automatic transmission may be slightly impacted; however, it is not sure that the 
automatic transmission is broken down. 

When the shift level is in the position M, the driver can define the applicable gear positions through + or - on 
the level. When initially moving the control level to the manual M position, the transmission will maintain the 
current gear position. 

When reaching the maximum of revolution speed of the engine, the transmission will automatically shift up no 
matter how the driver selects the gear position. 

State of 1st speed   

The combination instrument displays the state of 1st speed. Engine brake can be used when the shift gear is in 
Manual 1st speed position different from Automatic 1st speed . 

State of the 2nd speed   

The combination instrument displays the state of the 2nd speed. Be capable of realizing 2-1 automatic kickdown 
through anxiously stepping on the accelerator pedal to the end. The engine brake can be used for the 2nd speed. 

State of the 3rd speed   

The combination instrument displays the state of the 3rd speed. Be capable of realizing 3-1 or 3-2 automatic 
kickdown through anxiously stepping on the accelerator pedal to the end. The engine brake can be used for the 3rd 
speed. 

State of 4th speed   

The combination instrument displays the state of 4th speed, be capable of realizing 4-3 or 4-2 automatic kickdown 
through anxiously stepping on the accelerator pedal to the end. The engine brake can be used for 4th speed. 

State of 5th speed   

The combination instrument displays the state of 5th speed. Be capable of realizing 5-4 or 5-3 automatic 
kickdown through anxiously stepping on the accelerator pedal to the end. The engine brake can be used for 5th 
speed. 

1247

 
 

State of 6th speed   

The combination instrument displays the state of 6th speed. Be capable of realizing 6-5 or 6-4 automatic 
kickdown through anxiously stepping on the accelerator pedal to the end. The engine brake can be used for 6th 
speed. 

1248

 
 

3.5.3 System operating principle

 

3.5.3.1 Automatic transmission structure principle 

Section of automatic transmission 

9

8

6

5

7

10

11

2

4

3

1

NL03-2001c

 

1. Oil 

Pan 

 

2. Drive 

gear 

 

3. Driven 

gear 

 

4.  Double-row planetary gear mechanism 

5. Driven 

gear 

 

6. Output 

shaft 

7. Differential 

assembly 

 

8. Input 

shaft 

9.  Torque converter assembly   

10. Fuel pump 

11.  Single-row planet gear mechanism

 

1249

 
 

 

Single-row planet gear mechanism and input shaft section diagram 

1

2

3

4

5

6

SL03-0002c

 

1.  C3 Outer gear hub of clutch 

2.  C2 Outer gear hub of clutch 

3. Inner 

gear 

ring 

4. Sun 

gear 

5. Input 

shaft 

6. Planet 

gear 

 

1250

 

 

 

 

 

 

 

 

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