1999 Monaco Windsor Dash air/heat trouble
My 99 Windsor only blows thru the defrost vents. I know this is the default function because of no vacuum. My question is where does it get its vacuum from? I though there would be a 12volt vacuum pum...
Forum Discussion
Robbie ,
Mine has a little black plastic 12v pump above the gen .
On some coaches mostly earlier models they used a vacuum generator
powered by compressed air blowing over a venturi .
I believe it is a metal box with an air and vacuum hose attached .
Should be mounted on the firewall above the Onan gen .
They are very reliable as there is not much to go bad , maybe the
elect air valve or stopped up inside . Cleaning should take care of that .
Mine has a little black plastic 12v pump above the gen .
On some coaches mostly earlier models they used a vacuum generator
powered by compressed air blowing over a venturi .
I believe it is a metal box with an air and vacuum hose attached .
Should be mounted on the firewall above the Onan gen .
They are very reliable as there is not much to go bad , maybe the
elect air valve or stopped up inside . Cleaning should take care of that .
