coolant in intake manifold - Taurus Car Club of America : Ford Taurus Forum
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post #1 of 7 (permalink) Old 11-13-2012, 05:38 PM Thread Starter
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coolant in intake manifold

ok so i was driving down the freeway in my 2000 3.0 Taurus and it started to decelerate on me i pulled over and it was over heating i shut her down and looked it over. i had coolant puddled in my air box and in my manifold past the throttle body. any ideas what this could be. I am fairly experienced in the automotive department i originally suspected the heads but after thinking it over i have never seen a head gasket blow with coolant coming up the manifold it will go out the exhaust. anything helps I'm tearing in to it tonight thanks guys
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post #2 of 7 (permalink) Old 11-13-2012, 06:26 PM

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I've heard of GM cars having problems with the intake gaskets going bad and coolant then leaking in there, but never on these. My guess is a really bad blown head gasket. Any coolant in the oil? Oil look milky?

Otherwise you just have a coolant leak somewhere that somehow got into the intake.


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post #3 of 7 (permalink) Old 11-13-2012, 06:45 PM Thread Starter
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Nope first thing I looked for it used coolant obviously but I'm gonna tear into right now we will see
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post #4 of 7 (permalink) Old 11-13-2012, 06:48 PM
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how about the coolant hoses right by the airbox...any high pressure leaks/holes spraying at air intake?

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Last edited by intimidator; 11-13-2012 at 06:48 PM. Reason: spelling
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post #5 of 7 (permalink) Old 11-13-2012, 07:36 PM
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LIM has coolant passages, it may have failed there also, though I can't imagine how it could go against the flow of air in the intake...
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post #6 of 7 (permalink) Old 11-14-2012, 05:49 PM
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ASSUMING the engine is a Vulcan (you dont say..... there are 2 different 3.0 engines, the OHV Vulcan and the 24V DOHC Duratec) the Vulcan LIM has coolant flowing thru it. I would pull the LIM and have a look.

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post #7 of 7 (permalink) Old 11-15-2012, 08:56 PM
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When the LIM went on my Windstar I didnt get coolant in the air box or anthing along the way. Does the Vulcan have a coolant hose that is attached to the TB? Some Chevys have that to 'warm' the TB for those cold mornings to get the intake temps up. I know my G4 Duratec does not.

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