Symptoms - Transfer Case for Oldsmobile Silhouette 2003
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: