I have a 2003 tahoe with 117,000 miles, and recently the auto climate zone broke...so there is no temp difference between 60 and 89 they are all ice cold, but 90 is full hot. The fan speed also is dependent on how fast the car is going so if the fan is on the lowest setting but im driving fast it is blowing like its close to full on. There is also a wierd moldy smell coming from the vents when the ac is on, like there is mold in there. I know this is possibly a couple different problems, but all help is appreciated! Thanks!
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