Symptoms - Rear Drive Axle

Symptoms - Rear Drive Axle

Strategy Based Diagnostics

Review the system operations in order to familiarize yourself with the system functions. Refer to Rear Axle Disassembled Views (Locations) and Rear Drive Axle Description and Operation (Description and Operation) and Wheel Drive Shafts Description and Operation (Description and Operation). 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 (Strategy Based Diagnosis).

Visual/Physical Inspection

* Inspect for aftermarket devices, which could affect the operation of the vehicle. Refer to Checking Aftermarket Accessories (Checking Aftermarket Accessories).
* Inspect the easily accessible or visible system components for obvious damage or conditions, which could cause the symptom.
* Inspect for the correct lubricant level and the proper viscosity.
* 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 applicable, to a known good vehicle and make sure 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 (Diagnostic System Check - Vehicle)
* Transmission Noisy (Transmission Noisy)
* Symptoms - Propeller Shaft (Symptoms - Propeller Shaft)
* Clutch Noisy (Clutch Noisy)
* Noisy in Drive (Noisy In Drive)
* Noisy When Coasting (Noisy When Coasting)
* Constant Noise (Constant Noise)
* Noisy on Turns (Noisy on Turns)
* Rear Axle Lubricant Leak Diagnosis (Rear Axle Lubricant Leak Diagnosis)