Introduction
This guide will show you how to replace a broken collision detection bumper. This process should take only 10 minutes and require a size one Philips Head Screwdriver and a Flat Edge/Blade Cleanup Tool.
What you need
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Insert a spudger between the top plate and chassis.
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Pry around the entire perimeter of the top plate to disengage the retaining clips.
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Remove the top plate.
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Afterwards flip the Roomba over on its now exposed back.
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Use a Phillips #1 screwdriver to loosen the five 7 mm-wide captive screws from the lower plate.
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Remove the brush rolls.
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Remove the lower cover from the Roomba body.
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Use a Phillips #1 screwdriver to remove the ten small screws with a width of 4.7 mm and length of 11.3 mm on the underside of the bumper.
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Remove the crescent cover from the underside of the bumper.
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Use a Phillips #1 screwdriver to remove the two 4.7 mm wide screws that secure the bumper sensor.
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Remove the bumper.
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To reassemble your device, follow the above steps in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting or ask our Answers community for help.
Team
University of North Texas, Team 4-2, Coppersmith Fall 2025 Member of University of North Texas, Team 4-2, Coppersmith Fall 2025
UNT-COPPERSMITH-F25S4G2
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