Diagnostic Starting Point - Engine Mechanical
WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Begin the system diagnosis by reviewing the DISASSEMBLED VIEWS , Engine Component Description , and Lubrication Description . Reviewing the description and operation information will help you determine the correct symptom diagnostic procedure when a malfunction exists. Reviewing the description and operation information will also help you determine if the condition described by the customer is normal operation. Refer to SYMPTOMS - ENGINE MECHANICAL in order to identify the correct procedure for diagnosing the system and where the procedure is located.