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How Do You Adjust A Drum Brake?

I need to adjust my car’s drum brake. But I have no idea how. What am I supposed to do?

avatar
Patrick Price · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
It’s fairly easy to adjust a drum brake—you just need to know what to do.
Start by jacking up the side of the car that you need to adjust. Using a flat blade screwdriver, pry off the small metal covering over the hole just behind the wheel. Insert the flat blade screwdriver into the slot until you feel it slide into a groove—then pry upwards. That will tighten your drum brakes in increments.
It’s very difficult to loosen drum brakes. Make sure that don’t over-tighten them.
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