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The chassis is the fundamental supporting structure of a vehicle, such as an automobile. It serves as the base upon which the main components, including the engine, wheels, axles, and steering mechanism, are mounted.123

Historically, in many passenger cars, a pressed-steel frame acted as the chassis, with the body flexibly bolted onto it. This is known as body-on-frame construction, which is still used for heavy-duty vehicles like trucks.3

Modern passenger cars often

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