It sounds like the leak mite be wear the side wall and roof come together! We had a problem like that on a SOB I used Eternabond tape on the roof & up the back side of the wall and never had a nether problem the newer Montana's have tape there to cover the screws already.
__________________
Bob & Carol Washington St
2017 HC HM352RL 2018 Dodge 3500 laramie CC LB 4x4
Curt Q25 with puck system, Factory air bags
Happy Trails
|