Yeah, unfortunately that was not a good move as we need the friction to stop the vehicle and we don't want to reduce that with a lubricant. You are going to have to replace the pads and rotors to be sure that they are okay. Plus this will also fix the noise issue.
Here is a guide that will help with this: This video shows the job being done on a similar car but the process is the same.
https://youtu.be/gMGpzJKb7uI
and
https://www.2carpros.com/articles/how-to-replace-front-brake-pads-and-rotors-fwd
Also, I attached the process from the manual below on how to replace them. Let us know if you need other info. Thanks
Images (Click to enlarge)
Dec 17, 2020 at 9:46 AM