# 2004 Chevrolet Silverado 1500 - AC mode stuck

**URL:** <https://community.cartalk.com/t/2004-chevrolet-silverado-1500-ac-mode-stuck/144588>\
**Category:** Maintenance/Repairs\
**Tags:** chevrolet\
**Created:** [July 17, 2019, 4:52pm UTC](https://community.cartalk.com/t/2004-chevrolet-silverado-1500-ac-mode-stuck/144588 "2019-07-17T16:52:11Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![lonniehelton](https://avatars.discourse-cdn.com/v4/letter/l/9f8e36/32.png) [@lonniehelton](https://community.cartalk.com/u/lonniehelton)\
**Post date:** [July 17, 2019, 4:52pm UTC](https://community.cartalk.com/t/2004-chevrolet-silverado-1500-ac-mode-stuck/144588/1 "2019-07-17T16:52:11Z")

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a.c. is stuck on defrost

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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:** [July 17, 2019, 4:57pm UTC](https://community.cartalk.com/t/2004-chevrolet-silverado-1500-ac-mode-stuck/144588/2 "2019-07-17T16:57:41Z")

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Bad AC blend door actuator. Common problem. Actuator coast about $50, figure and hour plus or minus for installation.