For 1990-2009 cars

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:

• | 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.

### 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.

### Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

• | Ping, Snap, or Click Noise

• | Knock or Clunk Noise

• | Scraping Noise

• | Squeak Noise