Symptom Diagnosis (2000 W Chevrolet / 4T65-E)
Diagnostic Category 
 | Diagnostic
Information 
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This table consists of seven diagnostic
categories that are located in the left-hand column. Using this column, choose
the appropriate category based on the operating conditions of the vehicle
or transmission. After selecting a category, use the right-hand column to
locate the specific symptom diagnostic information. 
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Fluid DiagnosisThis category contains the following topics: 
|     •  | Fluid condition (appearance, contaminants, smell, overheating) |  
  
|     •  | Line pressure (high or low) |  
  
 | 
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Noise and Vibration DiagnosisThis category contains the following topic: 
|     •  | Torque converter diagnosis |  
  
|     •  | Noise and vibration analysis |  
  
 | 
|     •  | Refer to Noise and Vibration Analysis
. |  
  
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Range Performance DiagnosisThis category contains the following topics: 
 | 
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Shift Quality (Feel) DiagnosisThis category contains the following topics: 
|     •  | Harsh engagement (garage shifts) |  
  
|     •  | Delayed engagement (garage shifts) |  
  
 | 
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Shift PatternThis category contains the following topics: 
|     •  | Slipping or missing gears |  
  
 | 
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Shift Speed DiagnosisThis category contains the following topic: 
Incorrect shift points 
 | Refer to 
High or Low Upshift or Downshift Speed 
. 
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Torque Converter DiagnosisThis category contains the following topics: 
|     •  | Torque converter diagnosis |  
  
 | 
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Symptom Can Not Be Duplicated or Symptom Not FoundThis category contains the following topics: 
|     •  | Transmission fluid diagnosis |  
  
|     •  | Line pressure diagnosis |  
  
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