Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Vehicle Identification Number
The Vehicle Identification Number (VIN) Derivative is located in one place on the engine and is a seventeen digit number stamped or laser etched onto the block at the vehicle assembly plant. If reading the identification number the following information can be obtained:
- The first three digits identify the vehicle make.
- The fourth digit is the vehicle line.
- The fifth digit identifies the chassis type.
- The sixth & seventh digits are the grade type.
- The eight digit is the engine.
- The ninth digit is a check digit.
- The tenth digit is the model year.
- The eleventh digit is the manufacturing plant.
- The twelfth to seventeenth digits are the serial number.
The engine block is marked with the VIN on a pad area on the left rear side (1).
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.