No Torque Converter Clutch Shudder
Checks 
 | Causes 
 | 
Electrical 
 | 
|     •  | 12 volts not supplied to transmission |  
  
|     •  | Outside electrical connector damaged |  
  
|     •  | Inside electrical connector, wiring harness or solenoid damaged |  
  
|     •  | Electrical short (pinched solenoid wire) |  
  
 | 
Converter (1) 
 | Internal damage 
 | 
Oil Pump Assembly (4) 
 | 
|     •  | Converter clutch valve stuck or assembled backwards |  
  
|     •  | Converter clutch valve retaining ring mispositioned |  
  
|     •  | Pump to case gasket mispositioned |  
  
|     •  | Orifice cup plug restricted or damaged |  
  
|     •  | Solenoid O-ring seal cut or damaged |  
  
|     •  | High or uneven bolt torque (pump body to cover) |  
  
 | 
Input Housing and Shaft (621) 
 | 
|     •  | Turbine shaft O-ring seal cut or damaged |  
  
|     •  | Turbine shaft retainer and ball assembly restricted or damaged |  
  
 | 
Transmission Fluid Pressure Switch Assembly (69) 
 | 
 | 
Control Valve Body Assembly (60) 
 | 
|     •  | Solenoid O-ring leaking |  
  
 | 
Shift Solenoid Screen (367A/367B) 
 | Blocked 
 |