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What is the frame of a car?

Updated: 12/11/2022
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Wiki User

10y ago

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Back in the old days the frame of the vehicle use to actually be to hollow steel beams that the entire body of the vehicle was mounted to. You could literally take the cabin of the vehicle right off the frame and have just an engine and axles like this;

http://www.everythingmuscle.com/P0014351.JPG

But now days, vehicles use unibody construction where the vehicle body itself is molded to strengthen the vehicle and serves the same purpose as the frame used to;

http://r2v2.com/smart-car-frame2.jpg

Which are a lot safer but in an accident it takes less to consider the car totaled then it does for an older vehicle because most of the damaged parts are not replaceable. I believe trucks and SUV's for the most part still use the old frame design. And even in new cars you can see ruminates of this passed design in what are called the frame rails. Look under your vehicle and about 6 to 8 inches in from the side there is a rectangular beam running from behind your front tire to the front of your back tire on both sides of the vehicle .

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10y ago
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Q: What is the frame of a car?
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