Before beginning diagnosis, review the system description and operation in order to familiarize yourself with the system function. Refer to 
Propeller Shaft Description and Operation
 .
Classifying the Symptom
Propeller Shaft symptoms can usually be classified into the following categories:
Noise related symptoms are diagnosed within the Propeller Shaft section. For vibration related symptoms, refer to 
Diagnostic Starting Point - Vibration Diagnosis and Correction
 .
Visual/Physical Inspection
|     •  | Inspect the system for aftermarket devices which could affect the operation of the Propeller Shaft. | 
 
|     •  | Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom. | 
 
|     •  | Inspect any and all fasteners for damage or excessive wear. | 
 
Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom: