# 2006 Chevrolet Cobalt - oil in the water

**URL:** <https://community.cartalk.com/t/2006-chevrolet-cobalt-oil-in-the-water/143919>\
**Category:** Maintenance/Repairs\
**Tags:** chevrolet, cobalt\
**Created:** [July 8, 2019, 6:13pm UTC](https://community.cartalk.com/t/2006-chevrolet-cobalt-oil-in-the-water/143919 "2019-07-08T18:13:30Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![TeresaDHulsey](https://avatars.discourse-cdn.com/v4/letter/t/35a633/32.png) [@TeresaDHulsey](https://community.cartalk.com/u/TeresaDHulsey)\
**Post date:** [July 8, 2019, 6:13pm UTC](https://community.cartalk.com/t/2006-chevrolet-cobalt-oil-in-the-water/143919/1 "2019-07-08T18:13:30Z")

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Oil is in my water resevior,what does it mean.it hasn’t ran hot

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**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\
**Post date:** [July 8, 2019, 6:15pm UTC](https://community.cartalk.com/t/2006-chevrolet-cobalt-oil-in-the-water/143919/2 "2019-07-08T18:15:32Z")

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Sorry to tell you it means you likely have a blown head gasket or a cracked block.