AC gets warm and switches to defrost

[tndempsey]

ON Max AC when under load(or under decent accerlation) the air will cut off from the panel vents and start blowing out the defrost and will be hot air. Let off the gas and back to cold air(out the vents). This is so frustrating I know some one else has had this happen. Ac problems suck when your temp guage on the overhead console reads 104 degrees. I thought maybe a vaccum leak in the ac system but I don't know to check for that.

 

[safn1949]

It will most likely be a vacuum leak,check the vacuum canister under the hood to see if it's leaking.What happening is you are simply running out of vacuum.

 

[tndempsey]

Thanks for the response, I am unsure where the vaccum canister is or how to check it. Just look for holes in it?? Is there like a vaccum checker guage tool or something?