My a/c works alright for a while and then suddenly only hot air is coming out of on 2005 Mercury Sable

the vents. Turning the A/C off and on does not solve the problem. However if i let the car stand for a while (a day or so), the A/C starts working again for a while

Asked by for the 2005 Mercury Sable
1 answer
have system ck'd by a good a/c man. you could have several issues,like high or low pressures or poss blockage in system not letting freon flow