Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
and consult a qualified repair shop when needed.
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JACOBANDNICKOLAS
CAR REPAIR CONTRIBUTOR
110,190 POSTS
If you are refering to the blend door, it is located near the heater core. You need to access it and determine what is causing it to stick. It could be just a vacuum leak.