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The fourth through ninth digits are the last 6 digits of the VIN. DIAGNOSTIC INFORMATION AND PROCEDURES DIAGNOSTIC STARTING POINT - ENGINE MECHANICAL Begin the system diagnosis by reviewing the Disassembled Views, Engine Component SYMPTOMS - ENGINE MECHANICAL Strategy Based Diagnostics 1. Perform the Diagnostic System Check - Vehicle before using the symptom tables. 2. Review the system operations in order to familiarize yourself with the system functions. Refer to Disassembled Views, Engine Component Description, and Lubrication All diagnosis on a vehicle should follow a logical process. Strategy based diagnostics is a uniform Visual/Physical Inspection Inspect for aftermarket devices which could affect the operation of the engine. Refer to Inspect the easily accessible or visible system components for obvious damage or conditions Inspect for the correct oil level, proper oil viscosity, and correct filter application. Verify the exact operating conditions under which the concern exists. Note factors such as Compare the engine sounds, if applicable, to a known good engine and make sure you are
2008 Hummer H3 2008 ENGINE Engine Mechanical - 5.3L - H3
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