GM Service Manual Online
For 1990-2009 cars only

Diagnostic Starting Point - Suspension General Diagnosis for Chevrolet Omega VE 2009

Begin the system diagnosis by reviewing the Description and Operation information, and the vehicle RPO, this will help you determine if the condition described by the customer is normal operation. Refer to Symptoms - Suspension General Diagnosis, in order to identify the correct procedure for diagnosing the system and where the procedure is located.