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Tagwheel cylinders

Searching for wheel cylinders info? Check out all the wheel cylinders related articles here on the NAPA Know How blog. We’ve got Know How for all!

Close-up of a brake bleeder screw in a caliper

What Is a Brake Bleeder Screw?

When you think about it, the idea that putting a small amount of pressure on a pedal could bring a speeding vehicle to a halt sounds a little ludicrous. Luckily, we’ve developed braking systems that do exactly that (and more). One key to good brakes is surprisingly small: the brake bleeder screw. Do you know how to use it and what it does for you?