Disappearing coolant ???

MKIIISupraGuy

MKIIISupraGuy

New Member
Sep 14, 2009
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Lousy-ana
Hey everyone. Like the title says, I have a disappearing coolant issue. No visible leaks anywhere and temp gauge is reading perfect. Seems to only dissipate when I drive. Anyone have any ideas? A little background for those unfamiliar with my car...fresh crank, headgasket, thrust washers, front and rear main, all done march of this year. Car smokes for a few seconds on cold startup only. Blue smoke. 80k original miles

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T

travweek

Banned
Aug 6, 2011
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New York, New York, United States
check oil to make sure coolant is not mixing with oil..i had the same problem and then my car started smoking did a tear down n i had a crack in cylinder 5!!! don't kno if it the same problem but if it is don't let yours get as bad as mines look into it asap!
 
MKIIISupraGuy

MKIIISupraGuy

New Member
Sep 14, 2009
639
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Lousy-ana
Don't know how to pressure test the 7m, but I will check and see if oil is mixing with the coolant.

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bioskyline

bioskyline

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Oct 21, 2010
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powell river bc
hows the elbows of death? sounds like a pinhole leak near the manifold, and its not leaking to the ground as it evaporates on the hot manifold
 
GrimJack

GrimJack

Administrator
Dec 31, 1969
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idriders.com
Also check the lines from the radiator to the overflow tank. If those get a small hole in them, they'll push coolant out as the engine gets hot, and suck air back in as it cools off. Don't forget the pickup line in the overflow itself.
 
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