I HAD THE SAME PROBLEM MORE THAN ONCE. YOU NEED TO REMOVE THE BLOWER MOTOR STICK YOUR HAND INSIDE CASE AND WIPE THE EVAPORATOR TO SEE IF IT IS RESTRICKTED WITH DIRT. REMEMBER THE BLOWER BLOWS THROUGH THE EVAP. 1st THEN THROUGH HEATER CORE, SO THIS CAN EFFECT B... Login to read more.