Initial Inspection and Diagnostic Overview

Diagnostic Starting Point - Rear Drive Axle

Begin the system diagnosis by reviewing the following information:

* Rear Drive Axle Description and Operation
* Transfer Case Description and Operation for the NVG 900 transfer case

Reviewing the description and operation information will help you determine the correct symptom diagnostic procedure when a malfunction exists. Reviewing the description and operation information will also help you determine if the condition described by the customer is normal operation. Refer to Symptoms - Rear Drive Axle for diagnosing the system. - Symptoms - Rear Drive Axle