How to Change the Brushes in a Cordless Drill Driver

how to change brushes in cordless drill driver
While we know that brushless motors are the way forward in terms of powering your tools efficiently. But until the day when all power tools run without brushes, we want to help you guys make sure your tools are up and running all day, every day.


To that end, this short, simple Toolstop University Guide will show you how to quickly change the brushes in your cordless drill or driver. We've got a video on Toolstop TV that will walk you through it, click here to view.


Time Required: 10 minutes
Tools Required: screwdriver to open your drill/driver's motor compartment, small screwdriver to lever the brush from its housing

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Step 1: Remove the Battery & Open the Housing


First things first, take the battery out of your cordless drill/driver.

Identify where the brushes are located in your tool. If they're serviceable, you'll be able to open the housing up to expose them, ready for replacement.

Step 2: Unclip the Brushes


The brushes will be clipped in place. In our guide, using a Makita TD091D, the brushes were secured with a contact clip and a small spring.

Ease off the clip, then use your small screwdriver to ease off the spring.

Step 3: Remove and replace the Brushes


The brushes will now slide out from their housing, ready to be replaced by new brushes, per your tool's manufacturer's guidelines.

Seat the brushes in their housing, refit the spring, refit the contact clip.

Step 4: Refit the Housing


Reverse step one, refitting the housing for the motor/brushes.

Step 5: Get Back to Work!


You're now back up and running again, so get back to work!

Martin Dunn from Makita walks us through the steps above in our Toolstop TV video. Obviously, the processes for replacing the brushes in a DeWALT, Bosch, Metabo, or Hitachi cordless drill driver will vary slightly, but our guide has demonstrated how easy this is for your to do, keeping your tool up and running for longer!

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What help do you need with your power tools? Let us know in the comments below.

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