CH29: Hydraulically Controlled Transmissions

Chapter 01 Strategy Based Diagnostics

 		  
 		  
 

2-3 Shift Valve Operation

 

  

3-2 Kickdown

 

  

Gear Position

 
 		  
 		  
 

Governor

 

  

Governor Pressure

 

  

Hydraulic Circuit Operation

 
 		  
 		  
 

L1 and L2

 

  

Modulator Valve

 

  

Operation of Hydraulic Controlled Transmission

 
 		  
 		  
 

Operation of BW35

 

  

Regulator and Control Valves

 

  

Reverse CVT

 
 		  
 		   AT19

Shift Valves

 

  

The components of a Lock-up Torque Converter

 

  

Basic Hydraulically Controlled Transmission Oil Flow Diagram

 
AT20   AT22   AT21

Hydraulic Transmission: Primary Regulator & Line Pressure

 

  

Hydraulic Transmission: Secondary Regulator & Converter Pressure

 

  

Hydraulic Transmission: Shift Valve Operation 
AT17   AT18   AT29

Governor Valves

 

  

Modulator & Throttle Valves

 

  

Simplified Hydraulically Controlled Diagram

 
AT30   AT31   AT32

Kickdown Valve

 

  

Orifices, Check Valves and Shift Timing

 

  

Servo Accumulators