Lol well last week I put new chassis battery and a set of 6 v golf cart batteries. I did this so I could get the rv started to take it to get my onan generator running. After warming the rv up for a w...
Do you still have the original Ford squeeze type hose clamps? They can be trouble and should be replaced with screw type clamps. Even they need to be re-tightened periodically especially in cold weather. Might be a cheap fix for your problem.