Diagnostic Starting Point - Engine Mechanical

WARNING: This page is about a different car, the 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

Begin the system diagnosis by reviewing the following:

DISASSEMBLED VIEWS in ENGINE MECHANICAL 3.1L (UNIT REPAIR)
ENGINE COMPONENT DESCRIPTION in ENGINE MECHANICAL 3.1L (UNIT REPAIR)
Drive Belt System Description
LUBRICATION DESCRIPTION in ENGINE MECHANICAL 3.1L (UNIT REPAIR)
NEW PRODUCT INFORMATION in ENGINE MECHANICAL 3.1L (UNIT REPAIR)

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.