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 .
Propeller shaft symptoms can usually be classified into the following categories:
| • | Noises |
| • | Vibrations |
Noise related symptoms are diagnosed within the Propeller Shaft section. For vibration related symptoms, refer to Diagnostic Starting Point - Vibration Diagnosis and Correction for diagnosis.
| • | 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. |
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom: