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Home >> GMC >> 2002 >> C3500 HD 6.5 F, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 6.5L (On-Vehicle) >> Diagnostic Information and Procedures >> Diagnostic Starting Point - Engine Mechanical

Diagnostic Starting Point - Engine Mechanical

Begin the system diagnosis by reviewing the DISASSEMBLED VIEWS , ENGINE COMPONENT DESCRIPTION , LUBRICATION DESCRIPTION and Drive Belt System 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.