# Uneven AC **URL:** \ **Category:** Maintenance/Repairs\ **Created:** [July 19, 2013, 9:33pm UTC](https://community.cartalk.com/t/uneven-ac/80424 "2013-07-19T21:33:05Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![UncleSam36](https://avatars.discourse-cdn.com/v4/letter/u/ac8455/32.png) [@UncleSam36](https://community.cartalk.com/u/UncleSam36)\ **Post date:** [July 19, 2013, 9:33pm UTC](https://community.cartalk.com/t/uneven-ac/80424/1 "2013-07-19T21:33:05Z")
Okay so I have a 2007 Hyundai Santa Fe. The passenger-side AC blows cold air but the driver side AC is blowing hot air what’s going on? ---
**Author:** ![BustedKnuckles](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/bustedknuckles/32/25_2.png) [@BustedKnuckles](https://community.cartalk.com/u/BustedKnuckles)\ **Post date:** [July 20, 2013, 12:29am UTC](https://community.cartalk.com/t/uneven-ac/80424/2 "2013-07-20T00:29:58Z")
Does it have separate controls for passenger side and drivers side temps? The most logical problem would be in the zone temp blend door controls. And you need a technician who knows these systems. ---
**Author:** ![db4690](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/db4690/32/2583_2.png) [@db4690](https://community.cartalk.com/u/db4690)\ **Post date:** [July 20, 2013, 6:28am UTC](https://community.cartalk.com/t/uneven-ac/80424/3 "2013-07-20T06:28:46Z")
UncleSam36 Uneven temperatures side-to-side are sometimes caused by a low refrigerant level. Speaking from professional experience here Food for thought . . . ---
**Author:** ![Hokiedad](https://avatars.discourse-cdn.com/v4/letter/h/439d5e/32.png) [@Hokiedad](https://community.cartalk.com/u/Hokiedad)\ **Post date:** [July 21, 2013, 3:41am UTC](https://community.cartalk.com/t/uneven-ac/80424/4 "2013-07-21T03:41:25Z")
Good article here: [Santa Fe AC troubleshootin](http://azdog.hubpages.com/hub/Hyundai-Santa-Fe-Air-Conditioning-Troubleshooting)g It’s easy to check the coolant.