Mercedes-Benz ML320. Service manual - part 179

 

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Mercedes-Benz ML320. Service manual - part 179

 

 

Fig. 103: Temperature Sensor, Function 
Courtesy of MERCEDES-BENZ OF NORTH AMERICA. 

Operation  

The temperature of the transmission oil has a major influence on the shift time and thus on the shift quality. It is 
possible to optimize the gear shifts in all temperature ranges by detecting the oil temperature. See Fig. 103.

 

2001 Mercedes-Benz ML320 

1998-03 AUTOMATIC TRANSMISSIONS Complete Transmissions - ML 320 - 722.662

  

me 

 

The transmission oil temperature sensor (Y3/6b1) is connected in series with the starter lockout contact 
(Y3/6s1). The temperature signal is transmitted to the ETC control module (N15/3) only the dry-reed contact of 
the starter lockout contact (Y3/6s1) is closed. 

Selector Valve, Location/Task 

Fig. 104: Selector Valve, Location/Task 
Courtesy of MERCEDES-BENZ OF NORTH AMERICA. 

Selector Valve, Location 
 
The selector valve (52) is located in the valve housing of the shift plate (2a). See Fig. 104

Selector Valve, Task 
 
Distributes pressure to the appropriate hydraulic components according to the selector lever position 

 

2001 Mercedes-Benz ML320 

1998-03 AUTOMATIC TRANSMISSIONS Complete Transmissions - ML 320 - 722.662

  

me 

 

selected by the driver.  

Torque Converter Lock-Up Clutch, Location/Task/Design/Function 

Fig. 105: Torque Converter Lockup Clutch, Location/Task/Design/Function 
Courtesy of MERCEDES-BENZ OF NORTH AMERICA. 

Torque Converter Lockup Clutch, Location 
 
The torque converter lockup clutch is integrated in the torque converter. See Fig. 105

Torque Converter Lockup Clutch, Task 
 
The torque converter lockup clutch minimizes the power losses of the torque converter and as a result 
reduces the engine speed and improves the efficiency of the transmission. 

Torque Converter Lockup Clutch, Design 

 

2001 Mercedes-Benz ML320 

1998-03 AUTOMATIC TRANSMISSIONS Complete Transmissions - ML 320 - 722.662

  

me 

 

 
The external plate carrier (16a) is connected to the impeller (P) via the cover shell (17). The internal plate 
carrier (16b) is connected to the turbine wheel (T). 

Torque Converter Lockup Clutch, Function  
 
See Torque Converter Lockup Clutch, Function. See TORQUE CONVERTER LOCKUP 
CLUTCH, FUNCTION
.  

Torque Converter Lockup Clutch, Function 

 

2001 Mercedes-Benz ML320 

1998-03 AUTOMATIC TRANSMISSIONS Complete Transmissions - ML 320 - 722.662

  

me 

 

 

 

 

 

 

 

 

Content   ..  177  178  179  180   ..