Symptoms - Transfer Case

Symptoms - Transfer Case

Strategy Based Diagnostics

Review the system operation 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. For a detailed explanation, refer to Strategy Based Diagnosis.

Visual/Physical Inspection

- Inspect for aftermarket devices, which could affect the operation of the vehicle. Refer to Checking Aftermarket Accessories.
- Inspect for easily accessible or visible system components for obvious damage or conditions which may cause the symptom.
- Inspect for the correct lubricant levels and the proper viscosities.
- Verify the exact operating conditions under which the concern exists. Note factors such as vehicle speed, road conditions, ambient temperature, and other specifics.
- Compare the driving characteristics or sounds, if that is the case, 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 System Check - Vehicle
- Noisy in Drive Noisy In Drive
- Noisy When Coasting Noisy When Coasting
- Intermittent Noise Intermittent Noise
- Constant Noise Constant Noise
- Transfer Case Leak Diagnosis Transfer Case Leak Diagnosis