barmcdExplorerNov 19, 2015What is this?This picture is in an ad for a 1999 Monaco Diplomat on RV Trader. I've never seen anything like this before. Show More
wolfe10ExplorerNov 19, 2015And spark plug replacement or valve adjustment would likely require removing it from the coach.
Related ContentThis happened todayIs this forum dead, wowCan someone explain this?Is this normal????id this model
