# Heater core Question **URL:** \ **Category:** Maintenance/Repairs\ **Tags:** nissan, 300zx, heating\ **Created:** [December 6, 2010, 6:49pm UTC](https://community.cartalk.com/t/heater-core-question/58362 "2010-12-06T18:49:14Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![jccrumpler](https://avatars.discourse-cdn.com/v4/letter/j/c5a1d2/32.png) [@jccrumpler](https://community.cartalk.com/u/jccrumpler)\ **Post date:** [December 6, 2010, 6:49pm UTC](https://community.cartalk.com/t/heater-core-question/58362/1 "2010-12-06T18:49:14Z")
while driving my car i started to smell antifreeze and when i turned on my heat i started seeing white smoke and my windows started to fog up terrible. is this a sign on a bad heater core? ---
**Author:** ![edb1961](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/edb1961/32/122_2.png) [@edb1961](https://community.cartalk.com/u/edb1961)\ **Post date:** [December 6, 2010, 6:51pm UTC](https://community.cartalk.com/t/heater-core-question/58362/2 "2010-12-06T18:51:04Z")
Yes, same thing happened with my 83 Mustang. The coolant dripping onto my feet was a dead giveaway too. Ed B. ---
**Author:** ![lion9car](https://avatars.discourse-cdn.com/v4/letter/l/59ef9b/32.png) [@lion9car](https://community.cartalk.com/u/lion9car)\ **Post date:** [December 6, 2010, 7:03pm UTC](https://community.cartalk.com/t/heater-core-question/58362/3 "2010-12-06T19:03:10Z")
It is. It’s bad for you to breathe this in, so you’ll have to get it fixed quickly. ---
**Author:** ![jccrumpler](https://avatars.discourse-cdn.com/v4/letter/j/c5a1d2/32.png) [@jccrumpler](https://community.cartalk.com/u/jccrumpler)\ **Post date:** [December 6, 2010, 7:21pm UTC](https://community.cartalk.com/t/heater-core-question/58362/4 "2010-12-06T19:21:54Z")
Thanks i’m going to go get it fixed today