# Fogged up windows

**URL:** <https://community.cartalk.com/t/fogged-up-windows/26581>\
**Category:** Maintenance/Repairs\
**Created:** [February 17, 2009, 3:04pm UTC](https://community.cartalk.com/t/fogged-up-windows/26581 "2009-02-17T15:04:43Z")\
**Posts on this page:** 4\
**Page:** 2

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**Author:** ![bennyandthejets](https://avatars.discourse-cdn.com/v4/letter/b/b487fb/32.png) [@bennyandthejets](https://community.cartalk.com/u/bennyandthejets)\
**Post date:** [March 5, 2009, 9:24pm UTC](https://community.cartalk.com/t/fogged-up-windows/26581/21 "2009-03-05T21:24:18Z")

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One thing I can assure you of is that stop leak is really good at stopping the flow of antifreeze through heater cores. Then we’ll see your post shortly complaining about why your heater doesn’t put out any heat, and it’s freezing in your car. For anyone else out there, I’d really not recommend any kind of radiator stop leak mixture, as it does in fact work at stopping up things.

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**Author:** ![etion1](https://avatars.discourse-cdn.com/v4/letter/e/958977/32.png) [@etion1](https://community.cartalk.com/u/etion1)\
**Post date:** [April 11, 2009, 4:10pm UTC](https://community.cartalk.com/t/fogged-up-windows/26581/22 "2009-04-11T16:10:29Z")

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if it was hard to wipe off with a rag,probably heating core.water and antifreeze combo

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**Author:** ![jtsanders](https://avatars.discourse-cdn.com/v4/letter/j/c2a13f/32.png) [@jtsanders](https://community.cartalk.com/u/jtsanders)\
**Post date:** [April 11, 2009, 10:15pm UTC](https://community.cartalk.com/t/fogged-up-windows/26581/23 "2009-04-11T22:15:58Z")

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StopLeak might help until you can schedule an appointment to get your heater core replaced. Don’t use it as a permanent fix, only to get you over those few cold days in the next week or two.

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**Author:** ![Joseph\_E\_Meehan](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/joseph_e_meehan/32/21_2.png) [@Joseph\_E\_Meehan](https://community.cartalk.com/u/Joseph_E_Meehan)\
**Post date:** [April 12, 2009, 1:50pm UTC](https://community.cartalk.com/t/fogged-up-windows/26581/24 "2009-04-12T13:50:06Z")

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StopLeak might help until you can schedule an appointment to get your heater core replaced. Don’t use it as a permanent fix, only to get you over those few cold days in the next week or two.

Since stop leak products can cause problems themselves, I would suggest getting it in to be repaired now and not try putting it off by using leak stop. Take the bus if needed.

[Previous page](https://community.cartalk.com/t/fogged-up-windows/26581.md?page=1)