# 2003 Buick Regal - A/C Works Only One Side

**URL:** <https://community.cartalk.com/t/2003-buick-regal-a-c-works-only-one-side/150241>\
**Category:** Maintenance/Repairs\
**Created:** [October 7, 2019, 2:33pm UTC](https://community.cartalk.com/t/2003-buick-regal-a-c-works-only-one-side/150241 "2019-10-07T14:33:10Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Ralph08](https://avatars.discourse-cdn.com/v4/letter/r/df705f/32.png) [@Ralph08](https://community.cartalk.com/u/Ralph08)\
**Post date:** [October 7, 2019, 2:33pm UTC](https://community.cartalk.com/t/2003-buick-regal-a-c-works-only-one-side/150241/1 "2019-10-07T14:33:11Z")

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a\c only working on one side only what and how do I repair this problem?

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**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\
**Post date:** [October 7, 2019, 2:37pm UTC](https://community.cartalk.com/t/2003-buick-regal-a-c-works-only-one-side/150241/2 "2019-10-07T14:37:55Z")

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Bad blend door actuator most likely. It is under the dash and there are likely 3 or 4. Not sure which one directs the airflow. They usually click while they are trying to move. That helps you find the right one to replace.