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Discussion Starter #1
so my brand new overflow tank in my truck keeps getting really dirty coolant in it. like dark brown/black stuff resting at the bottom of it.

its not oil or a blown headgasket, i'm pretty sure its just the old radiator needing flushed(actually replaced) and some stop leak that was put in there before.

any ideas?
 

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Flush the whole system..........If there was stopleak used in the rad, it may start leaking again.........probably time to replace that rad too.
 

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Discussion Starter #4
1931 steve said:
What kind of truck?

If I had to guess I would say GM....

Steve
damn haha, i thought we had sig's at this place.

yeah, '86 chevy with a "mild" 350 :)


edit: ah, only for moderators :embarrass
 
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