# 2007 Mercury Grand Marquis AC blows hot

**URL:** <https://community.cartalk.com/t/2007-mercury-grand-marquis-ac-blows-hot/122016>\
**Category:** Maintenance/Repairs\
**Tags:** mercury, grandmarquis\
**Created:** [July 31, 2018, 4:06pm UTC](https://community.cartalk.com/t/2007-mercury-grand-marquis-ac-blows-hot/122016 "2018-07-31T16:06:34Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![johngalbreath](https://avatars.discourse-cdn.com/v4/letter/j/c67d28/32.png) [@johngalbreath](https://community.cartalk.com/u/johngalbreath)\
**Post date:** [July 31, 2018, 4:06pm UTC](https://community.cartalk.com/t/2007-mercury-grand-marquis-ac-blows-hot/122016/1 "2018-07-31T16:06:34Z")

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ac system produces only hot air regardless even with defrost selection

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**Author:** ![George\_San\_Jose1](https://avatars.discourse-cdn.com/v4/letter/g/e5b9ba/32.png) [@George\_San\_Jose1](https://community.cartalk.com/u/George_San_Jose1)\
**Post date:** [August 1, 2018, 2:57am UTC](https://community.cartalk.com/t/2007-mercury-grand-marquis-ac-blows-hot/122016/2 "2018-08-01T02:57:19Z")

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Do the engine compartment fans turn on and spin like crazy when the AC is turned on?