No 2-3 Shift
Checks 
 | Cause 
 | 
Control Valve Assembly 
 | 
|     •  | Stuck 3-2 manual downshift valve |  
  
 | 
Channel
Plate Gasket 
 | Mispositioned
or damaged 
 | 
Driven Sprocket Support 
 | Blocked Third clutch passage 
 | 
Input Housing and Shaft Assembly 
 | 
 | 
Third Clutch
Assembly 
 | 
|     •  | Damaged piston or seals |  
  
|     •  | Damaged checkball assembly in the piston |  
  
 | 
Third Roller
Clutch Assembly 
 | 
|     •  | Rollers out of the cage |  
  
|     •  | Misassembled input sun gear shaft |  
  
|     •  | No third gear in Manual Lo |  
  
|     •  | No engine braking in Manual Lo |  
  
 |