# Mazda5 Air Conditioning

**URL:** <https://community.cartalk.com/t/mazda5-air-conditioning/50698>\
**Category:** Maintenance/Repairs\
**Tags:** mazda5, airconditioning, mazda\
**Created:** [June 22, 2010, 2:57pm UTC](https://community.cartalk.com/t/mazda5-air-conditioning/50698 "2010-06-22T14:57:07Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![profpedro](https://avatars.discourse-cdn.com/v4/letter/p/dfb087/32.png) [@profpedro](https://community.cartalk.com/u/profpedro)\
**Post date:** [June 22, 2010, 2:57pm UTC](https://community.cartalk.com/t/mazda5-air-conditioning/50698/1 "2010-06-22T14:57:07Z")

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I have noticed a strange problem with my 2009 Mazda5. On several long trips, stopping only for a few minutes for gas and rest stops, the air conditioner quits working after about five or six hours. If I turn the air conditioner off for about a half-hour and restart it, it works fine. This has happened consistently. Any idea what the trouble might be?

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**Author:** ![tardis](https://avatars.discourse-cdn.com/v4/letter/t/f0a364/32.png) [@tardis](https://community.cartalk.com/u/tardis)\
**Post date:** [June 22, 2010, 3:47pm UTC](https://community.cartalk.com/t/mazda5-air-conditioning/50698/2 "2010-06-22T15:47:14Z")

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Most likely, your evaporator is freezing over. It could be due to a low R-134 level or sensor problem, or it could be a normal issue for your car in the right conditions.  
You should be able to avoid the freeze up by setting the fan speed higher and/or setting the air inlet to recycle instead of fresh.

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**Author:** ![profpedro](https://avatars.discourse-cdn.com/v4/letter/p/dfb087/32.png) [@profpedro](https://community.cartalk.com/u/profpedro)\
**Post date:** [June 22, 2010, 7:45pm UTC](https://community.cartalk.com/t/mazda5-air-conditioning/50698/3 "2010-06-22T19:45:57Z")

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Thanks, I’ve had the air inlet on recycle but I will adjust the fan speed higher next time. I will also get the sensor checked out.
