I have the laser heat monitoring device to check my wheel bearings but how hot is “hot”? If they get too hot, besides letting them cool down, then what? Does that mean you have to grease your bearings before moving? I’m afraid one day I’ll get a hot reading in the middle of a trip and have no idea what to do.
That's a really good question! Many trailer folks worry about that without understanding what "hot" is. The answer to that depends upon the source of the heat. First, a wheel bearing should never be so hot that you can't put your hand against the hub face, or grease cap. It's probable that you have a stamped hubcap in the…