Posted 3/15/2017 18:02 (#5901693 - in reply to #5900900) Subject: RE: 9900 IH semi purging air almost constantly
My 9200i kept purging every 30 seconds. Finally figured out the air line going to the fan clutch had been disconnected and the plug they put in the line was leaking. Took a while to find it. I'd bet you have a leak somewhere.