# 2008 Nissan Altima - Runs hot

**URL:** <https://community.cartalk.com/t/2008-nissan-altima-runs-hot/171161>\
**Category:** Maintenance/Repairs\
**Tags:** nissan\
**Created:** [October 13, 2020, 7:47am UTC](https://community.cartalk.com/t/2008-nissan-altima-runs-hot/171161 "2020-10-13T07:47:30Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Mqturner](https://avatars.discourse-cdn.com/v4/letter/m/7bcc69/32.png) [@Mqturner](https://community.cartalk.com/u/Mqturner)\
**Post date:** [October 13, 2020, 7:47am UTC](https://community.cartalk.com/t/2008-nissan-altima-runs-hot/171161/1 "2020-10-13T07:47:30Z")

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2008 Nissan Altima coupe engine running hot if I turn heat up the coolant gage goes down when driving

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**Author:** ![Purebred](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/purebred/32/46796_2.png) [@Purebred](https://community.cartalk.com/u/Purebred)\
**Post date:** [October 13, 2020, 12:09pm UTC](https://community.cartalk.com/t/2008-nissan-altima-runs-hot/171161/2 "2020-10-13T12:09:24Z")

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Yep, because your heater acts as another radiator.

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**Author:** ![VOLVO-V70](https://avatars.discourse-cdn.com/v4/letter/v/8e8cbc/32.png) [@VOLVO-V70](https://community.cartalk.com/u/VOLVO-V70)\
**Post date:** [October 13, 2020, 2:09pm UTC](https://community.cartalk.com/t/2008-nissan-altima-runs-hot/171161/3 "2020-10-13T14:09:32Z")

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You need to find out why you have an overheating problem before serious engine damage occurs.

What you are doing with the heater settings might not work the next time.

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**Author:** ![pyrolord314](https://avatars.discourse-cdn.com/v4/letter/p/6a8cbe/32.png) [@pyrolord314](https://community.cartalk.com/u/pyrolord314)\
**Post date:** [October 14, 2020, 1:28pm UTC](https://community.cartalk.com/t/2008-nissan-altima-runs-hot/171161/4 "2020-10-14T13:28:50Z")

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How’s the coolant level in the overflow and the radiator (checked when the engine is **cold** of course)? Are the radiator fans coming on?

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**Author:** ![Purebred](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/purebred/32/46796_2.png) [@Purebred](https://community.cartalk.com/u/Purebred)\
**Post date:** [October 14, 2020, 2:22pm UTC](https://community.cartalk.com/t/2008-nissan-altima-runs-hot/171161/5 "2020-10-14T14:22:37Z")

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This was posted in “ask someone”, chances are the OP will not respond.