OKEY GUYS, SO ABOUT THAT AUDI A6 4.2 MY FRIEND HAS. SO WE TESTED THE BLOWER MOTOR AND IT WORKS, SO NOW I DONT KNOW WHICH PROBLEM IS IT, THE CAR DOESNT OVER HEAT. IT DOESNT BLOW ANY AIR OUT OF VENTS, AND THE SCREENS ON THE CLIMATE CONTROL BLINK FOR A MINUTE OR TWO WHEN THE CAR IS STARTED UP, SO HELP US OUT OVER HERE