Plastic Fenders
I'm starting my second season with the new 5th wheel and just brought it home last week from storage. I noticed that one of my plastic fenders has several cracks in it starting from the screw holes. ...
Forum Discussion
valhalla360 wrote:
Fairly common if you look at used RV's.
It's likely not over tightening but differential contraction when it gets cold. Sidewall of the trailer contracts more or less than the plastic cover, the screws can't move...so something gives...in this case the plastic cover.
Drilling them out a little larger and putting a rubber washer in should help by allowing a little movement around the screws.
Maybe...but in my case it's all the flexing while in motion. If you look in the rear view mirror while at highway speeds... there is some aerodynamic buffeting going on with those plastic fenders.
