GM Service Manual Online
For 1990-2009 cars only

Before beginning diagnosis, review the system description and operation in order to familiarize yourself with the system function. Refer to Wheel Drive Shafts Description and Operation.

Classifying the Symptom

Wheel drive shaft symptoms can usually be classified into the following categories:

    • Noises
    • Vibrations

Noise related concerns are diagnosed within the Wheel Drive Shafts 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 wheel drive shafts.
    • 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:

    •  Click Noise In Turns
    •  Clunk When Accelerating from Coast
    •  Clunk Noise When Accelerating During Turns
    •  Shudder or Vibration During Acceleration