Rick7340, did you get help on this one? I also have been having the same problems. I live in Guam so we get 365 days of sunshine and I always put my a/c on about 70-75 degrees in auto but a few times now it would just get hot all of a sudden. After a few minutes it would go back to cold. Weird. Now I select the vents, temp to 60, and fan on manual mode and once in a while it would just all of a sudden get hot again. And I mean HOT like the temp was changed to 80-85 degrees! After a few minutes or if I shut the Z off and turn it on again then its fine.
Does other Z's out there have the same problem? Please help find the culprit.
13 370Z, 11 Juke SL, 03 Crew Cab 4X4, 07 Aquatrax Turbo, 08 Agusta 312R, 03 749S