Can This 9-Year-Old Change Brakes and Rotors Like a Professional?

Image Credit: TopLineRacer / YouTube.

Changing brake pads and rotors can be frustrating even for experienced mechanics, particularly when stubborn bolts refuse to cooperate. Now imagine attempting the same job at nine years old, with no hands-on experience and two adults watching your every move.

That’s the challenge Calvin faced when his father, Lance, decided to conduct an unusual experiment. Rather than simply teaching his son how to replace brakes, he wanted to see how much Calvin could figure out independently.

The project, documented on the TopLineRacer YouTube channel, involved replacing the rear brake pads and rotor on a Chevrolet Equinox. Lance completed one side first, learning which tools were necessary and identifying potential obstacles.

Calvin would tackle the opposite side with the equipment already laid out, receiving limited guidance from his father and Uncle Spencer. The goal wasn’t to see whether he could work as quickly as a professional but whether he could understand the job well enough to finish it.

A Nine-Year-Old Faces His First Brake Job

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Image Credit: TopLineRacer / YouTube.

Calvin had spent time around his father’s garage but had never performed a brake replacement himself. His first task was raising the Equinox and positioning a jack stand, with Lance providing guidance because safety wasn’t part of the experiment.

The adults also prepared the electronic parking brake using a diagnostic scanner, allowing the rear caliper piston to be compressed. Otherwise, Calvin was encouraged to identify components and work through problems himself.

Stubborn Bolts Test His Patience

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Image Credit: TopLineRacer / YouTube.

The trickiest part involved two awkwardly positioned caliper-bracket bolts, which even Lance had struggled to access. Calvin eventually located them, although one proved especially difficult because its threads had apparently been damaged previously.

His father stepped in to clean up the troublesome threads, preventing an existing mechanical problem from derailing the exercise. Calvin also learned how to retract the caliper piston and fit the thicker replacement brake pads.

A Small Decision Makes a Big Difference

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Image Credit: TopLineRacer / YouTube.

During reassembly, Calvin struggled to align the caliper bracket with its mounting holes. Without being prompted, he decided to reinstall the rotor’s retaining screw, holding the disc steady and making the remaining work easier.

That decision impressed the adults, who watched him finish the assembly and reinstall the wheel. He even followed the correct star pattern when tightening the wheel fasteners.

The Result Surprises His Father

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Image Credit: TopLineRacer / YouTube.

Calvin successfully completed the brake replacement, identifying the stubborn mounting bolts as the hardest part. Lance admitted he was proud, although resisting the temptation to provide constant instructions had been difficult.

Of course, this experiment wasn’t a substitute for supervised mechanical training, particularly with safety-critical components like brakes. What it demonstrated, though, was that with patience, appropriate guidance, and room to think, a nine-year-old could tackle problems that sometimes frustrate experienced mechanics.

Author: Andre Nalin

Title: Writer

Andre has worked as a writer and editor for multiple car and motorcycle publications over the last decade, but he has reverted to freelancing these days. He has accumulated a ton of seat time during his ridiculous road trips in highly unsuitable vehicles, and he’s built magazine-featured cars. He prefers it when his bikes and cars are fast and loud, but if he had to pick one, he’d go with loud.

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