So today I went to switch from AC to Heat on the HVAC control when I heard something make like a snapping noise. My HVAC control was always hard to turn when it reached the middle of hot/cold. But now, it wont go all the way to max heat or all the way to max ac without popping up. Any idea what this could be?

 

up

 

anyone?

 

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Since it looks like you have an '03 your car probably has the original HVAC controls in it. There was a revision to these controls issued a while ago.

Contact a Mitsu dealer and ask for PN: 7801A110. They are updated parts for the bits that usually break in the '03 HVAC set-up. If you ask the dealer should also be able to provide you with installation instructions.