Strategy Based Diagnostics
Review the system operations in order to familiarize yourself with the
system functions. Refer to
Rear Axle Disassembled Views
and
Rear Drive Axle Description and Operation
and
Wheel Drive Shafts Description and Operation
in Wheel
Drive Shafts. 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 problem.
The diagnostic flow is the place to start when repairs are necessary. For
a detailed explanation, refer to
Strategy Based Diagnosis
in General Information.
Visual/Physical Inspection
| • | Inspect the easily accessible or visible system components for
obvious damage or conditions, which could cause the symptom. |
| • | Check 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:
| • | Driveline Noise Diagnosis in Propeller Shaft |
