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Introduction

Is your Roomba I4 Plus not moving properly due to a faulty Caster Wheel? If it is, this guide will help you replace the Caster Wheel. What you will need for this replacement is a Phillips No. 1 screwdriver for the screws and a Spudger tool for prying the Caster Wheel from its socket.

What you need

Step 1 Caster Wheel

iRobot Roomba i4 Plus Caster Wheel Replacement, Caster Wheel: step 1, image 1 of 1

Flip the Roomba over to access the side brush.
Firmly grasp the side brush with your fingers.
Use a Phillips #1 screwdriver to remove the single 7 mm center screw securing the side brush.
Be sure the sidebrush is held steady, because it will spin and be unable to be unscrewed if not.
Pull straight up to disconnect the side brush.

Edit

Step 2

iRobot Roomba i4 Plus Caster Wheel Replacement: step 2, image 3 of 3

Use a Phillips #1 screwdriver to loosen the five 7 mm captive screws holding the back plate together.
The screws will not be able to be fully removed from the Back Plate.
Gently grab the edges of the back plate with your fingers and pull upwards to remove.