Symptoms - Transfer Case

Symptoms - Transfer Case
Strategy Based Diagnostics
Review the system operations in order to familiarize yourself with the system functions. All diagnosis on a vehicle should follow a logical process. Strategy based diagnostics is a uniform approach for repairing all systems. The diagnostic flow may always be used in order to resolve a system condition. The diagnostic flow is the place to start when repairs are necessary.

Visual/Physical Inspection
^ Inspect for aftermarket devices which could affect the operation of the vehicle. Refer to Checking Aftermarket Accessories in Computers and Control System.
^ Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
^ Verify the exact operating conditions under which the concern exists. Note factors such as speed, road conditions, ambient temperature, and other specifics.
^ Compare the driving characteristics or sounds, if applicable, to a known good vehicle and ensure you are not trying to correct a normal condition.

Intermittent
Test the vehicle under the same conditions that the customer reported in order to verify the system is operating properly.

Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
^ Diagnostic Starting Point - Transfer Case Initial Inspection and Diagnostic Overview
^ Diagnostic Starting Point - Rear Drive Axle Initial Inspection and Diagnostic Overview
^ Noisy in Drive Noisy In Drive
^ Noisy When Coasting Noisy When Coasting
^ Intermittent Noise Intermittent Noise
^ Constant Noise Constant Noise