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Education Tips and Tutorials Archive

Simple Guide to VIN Numbers (and What They Say About a Car)

Merceded W220 VIN plate tag
For decades the vehicle identification number on cars was different for every manufacturer. Some of them included factory location, model information, engine and transmission options, body style, etc, as well as dates and a serial number. Others were just a running number of what came down the...

What To Know About Vehicle Inspections in All 50 States

Mechanic inspects state inspection checklist
There are federal smog and safety laws that all vehicles must meet to be sold here when new. But, the United States is famously the land of the free, and in 11 of the 50 states, you are truly free, with no form of smog or safety inspection required, ever. More than half of the states, 32 out of 50...

Simple Guide to the Dual Mass Flywheel (and Why Your Vehicle Has One)

What is a dual mass flywheel (and what does it do)?
The dual mass flywheel, or DMF, is designed to protect the driveline from the torque pulses and torsional vibrations of the engine. DMFs are fitted to cars and trucks equipped with a manual gearbox and is located at the end of the crankshaft where a regular solid flywheel would be. They are fitted...

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