Initial Inspection and Diagnostic Overview

Diagnostic Starting Point - Engine Mechanical
Begin the system diagnosis by reviewing the Disassembled Views, Engine Component Description, and Lubrication Description in Engine Mechanical - 6.6L Unit Repair, and the Drive Belt System Description.
Description and Operation

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 to you by the customer is normal operation. Refer to Symptoms - Engine Mechanical
Symptom Related Diagnostic Procedures