This winter I had the place storing my camper grease the axles on my camper. Last weekend was the first trip of the year and when I got to the campsite, the center of my axle was popped out and the c...
I pulled the wheel off. The cap was just loose. Everything looks OK from what I can tell. I cleaned off the exccess grease and pounded the cap back on. I pulled off the other wheel on the same side and the cap was also not attached. Cleaned it up and pounded back on.
Both caps on the other side were on snug. Someone must had been lazy on one side.