I am in desperate need for some help with my 97 Bonneville SSE A/c. The system is fully charged with r134a. The compressor kicks on when it is suppose to. I replaced the high pressure switch last year.. The mixer/diverter appears to be cycling like its suppose to because when I change the electronic temp(auto) from 90 degrees to 60 degrees I can see the arm moving looking through the Cubby Hole, the vents change, and the fan adjusts to the demand but there is still warm air blowing. I have been pulling my hair out trying to repair this but I have just head butted a brick wall because I dont know where to go from here.. Any Help would be very much appriciated. Ill even paypal the person who diagnoses the problem that Helps me repair my issue. Thanks in advance and take care.