Dash A/C Blowing HOT air after engine is hot

mattclark2012 wrote:
1993 Holiday Rambler Endeavor

I get antifreeze coming out of my ac ducts when the engine warms up. Also the dash ac often won't blow cold air. Pretty sure it's a problem with my heater core. I'd like to just bypass the heater core. I don't need the heater in the dash anyway. I've been told I can do that with 5/8" heater hose union and 2 hose clamps. I want to make sure I'm cutting the correct hoses though. Any advice on determining this? From my understanding the heater coil is inside the a/c housing under the hood. There are 4 hoses going into that housing. 2 are bigger, thicker hoses which I believe are the ones I would bypass. The other two are smaller and both have valves on them where it looks like you would put in freon. I'm guessing those are the a/c hoses. Any light you guys could shed on this would be appreciated. Thanks