Samuel Peralta iFixit does not do repairs. Here you are being empowered through guides and general advice to fix your own device.
To get to the cameras you would have to disassemble your Quest 2 pretty extensively. Take a look at these guides [[Topic:Oculus Quest 2]] to work on it. Specifically. I would suggest that you check this guide [guide|139759] and see if you are willing to go that route. Here is a [https://www.youtube.com/watch?v=z7hSqEn3jgg|good video] on replacing a camera (should get you to the sensors as well) and shows you how to work on it.