# 1997 Buick LeSabre - Unbalanced heat

**URL:** <https://community.cartalk.com/t/1997-buick-lesabre-unbalanced-heat/172036>\
**Category:** Maintenance/Repairs\
**Tags:** heating, buick\
**Created:** [November 6, 2020, 9:02pm UTC](https://community.cartalk.com/t/1997-buick-lesabre-unbalanced-heat/172036 "2020-11-06T21:02:51Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Captspuds](https://avatars.discourse-cdn.com/v4/letter/c/47e85d/32.png) [@Captspuds](https://community.cartalk.com/u/Captspuds)\
**Post date:** [November 6, 2020, 9:02pm UTC](https://community.cartalk.com/t/1997-buick-lesabre-unbalanced-heat/172036/1 "2020-11-06T21:02:51Z")

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Left side of all a/c / heater vents is cooler than right side whether on heat or vent.( I think outside air is leaking in to left side?

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**Author:** ![vipergg](https://avatars.discourse-cdn.com/v4/letter/v/50afbb/32.png) [@vipergg](https://community.cartalk.com/u/vipergg)\
**Post date:** [November 10, 2020, 2:29pm UTC](https://community.cartalk.com/t/1997-buick-lesabre-unbalanced-heat/172036/2 "2020-11-10T14:29:03Z")

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Sounds like a blend door problem . Sometimes you can do a reset procedure . I would do a search on youtube on how to do this , If you have to replace the blend doors this can run into a lot of money because a lot of times you have to take apart part of the dash to replace these .