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Diagnostic Starting Point - Engine Mechanical

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. 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  in Engine Mechanical - 6.6L Unit Repair Manual. 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  in order to identify the correct procedure for diagnosing the system and where the procedure is located.

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