I’ve got a 2020 Lynx trailer that I’m hearing some sort of issue with. I have the XR 84 surge brake. It’s a rubbing sound when brakes are applied but seems to be getting worse. I checked brake fluid in the actuator and it was slightly low so I topped off. Still getting a lot of rubbing when coming to a stop. I initially thought it was something with the pads or rotors but while being pulled out of water on trailer while in the boat, all of the noise seems to come from the actuator. I’m not sure what else it could be other than a fluid issue. The other day I noticed that it was rubbing slightly even with the vehicle stopped (unless I’m nuts) so I’m convinced it something with the actuator piston. Any help or suggestions appreciated.