Loosing coolant?

Daniel Jones

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Hello all! I'm having a issue with loosing coolant on my 2006 cobalt 2.2. The other day I was cleaning up the throttle body and the air intake box above it had lots of oil inside it and it looked like it was mixing with coolant. It was kinda chocolate milk color kinda... but only in that intake box! the oil on my dipstick is a normal color, as is the oil when I do oil changes. Level stays perfect also. But having to top off coolant atleast maybe every other week. Help!??!
 

YelloEye

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Chocolate milk color mean's oil and coolant are mixing somewhere. Pull off the valve cover. If you're going to see milkshake anywhere it'll be up there or in the oil pan.

Probably worth sending an oil sample off to Blackstone Labs for testing.
 
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iancc86

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There's a leak somewhere. Put paper or cardboard under your car overnight. It might help pinpoint where the leak is if its not internal.

Sent from my Z981 using Tapatalk
 

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