Strategy Based Diagnostics
Review the system operations in order to familiarize yourself with
the system functions. Refer to
Transfer Case Disassembled View
in Transfer Case - Steyr Unit Repair and
Transfer Case Description and Operation
, and
Differential Carrier Assembly Description
in
Rear Drive Axle. 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
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 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 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:
