# 2005 GMC 1500 - driver’s side heater won’t adjust

**URL:** <https://community.cartalk.com/t/2005-gmc-1500-driver-s-side-heater-won-t-adjust/180907>\
**Category:** Maintenance/Repairs\
**Tags:** gmc, 1500\
**Created:** [November 26, 2021, 6:21pm UTC](https://community.cartalk.com/t/2005-gmc-1500-driver-s-side-heater-won-t-adjust/180907 "2021-11-26T18:21:30Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Emilio29](https://avatars.discourse-cdn.com/v4/letter/e/dec6dc/32.png) [@Emilio29](https://community.cartalk.com/u/Emilio29)\
**Post date:** [November 26, 2021, 6:21pm UTC](https://community.cartalk.com/t/2005-gmc-1500-driver-s-side-heater-won-t-adjust/180907/1 "2021-11-26T18:21:31Z")

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Driver side heater won’t adjust heat to cold

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**Author:** ![weekend-warrior](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/weekend-warrior/32/26122_2.png) [@weekend-warrior](https://community.cartalk.com/u/weekend-warrior)\
**Post date:** [November 26, 2021, 6:43pm UTC](https://community.cartalk.com/t/2005-gmc-1500-driver-s-side-heater-won-t-adjust/180907/2 "2021-11-26T18:43:41Z")

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you have a bad blend door actuator.

[HOW TO FIX REPAIR HEATER AC WORKS ON ONE SIDE OF GM GMC SIERRA YUKON TAHOE SILVERADO SUBURBAN CHEVY - YouTube](https://www.youtube.com/watch?v=AILxQ_-Udy0)