Why is it bad to use 4H or 4L on pavement?
In: 45
During normal driving, all the wheels of a car rotate at slightly different speeds when you make turns or drive over uneven pavement.
4H and 4L locks the front and rear axles together so the front and rear wheels HAVE to turn the same speed.
Off-road it’s ok because the wheels can slip a bit to compensate for any differences in wheel speed, but on pavement the tires grip the road too well so there’s a lot more strain on the drivetrain, which can damage things.
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