Still have to pump brakes on my 93 Pace, I realize the motorhome is older than most Forum topics I have read,
but still need an answer.  I did find out this is a hydro boast system and a chev chassie. Had the brakes blead
and checked for leaks, no leaks.  Had ideas of towing Tracker 4down, but not at these conditions. 
Any Help Please,  Thank You