Checking for water system leaks in a Northern Lite

Kayteg1 wrote:
I found few times that check valves on pumps deteriorate with years and they can leak the water back to the tank.
Good idea to buy rebuild kit every few years.

That wouldn't apply to my 6 mos old camper tho.

The short cycling began after a boondocking trip up 10 miles of rough road. I would have thought that plumbing fittings would be sufficiently robust to tolerate a rough ride but perhaps not.