vacuum brake booster

vacuum brake booster

Vacuum power brake boosters sit between the brake pedal and the master cylinder.

Image via wikimedia commons (public domain)

JD Laukkonen

JD Laukkonen turned wrenches in the north end of Seattle for a decade, so he's no stranger to the inner workings of modern automobiles. He has worked as a freelance writer since closing his shop in 2007, and he currently covers automotive technology for

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