Unusual Coolant Leak - Page 2 - Taurus Car Club of America : Ford Taurus Forum
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post #11 of 18 (permalink) Old 01-18-2013, 07:07 PM
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The waterpump does not meet the block. Your timing cover may be leaking because it mates up with the block. It is rather common.
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post #12 of 18 (permalink) Old 01-18-2013, 07:44 PM
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I was thinking coolant pump when you said the car boiled over while idling. Time to change it in my opinion.

"Mmm. Do, or do not. There is no try."

Someday, some hairy big-eared little alien is gonna steal that from me.
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post #13 of 18 (permalink) Old 01-18-2013, 10:25 PM Thread Starter
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Automender12345...thanks for the correction. (I guess a side note...does that oily residue mean I have a failing gasket on the front engine cover?)

Lgbpop...thanks. I think I will replace the water pump too and see if the leak ever returns.
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post #14 of 18 (permalink) Old 01-19-2013, 07:55 AM
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I have not heard or experienced on all my Taurus an oil leak on the timing cover just coolant leaks in the upper left corner at the rear cylinder head coolant exit.
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post #15 of 18 (permalink) Old 01-19-2013, 09:00 AM Thread Starter
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Quote:
Originally Posted by Automender12345 View Post
I have not heard or experienced on all my Taurus an oil leak on the timing cover just coolant leaks in the upper left corner at the rear cylinder head coolant exit.
Ok, that's good. It's probably from leaky valve covers I used to have. I really should de-grease my engine one of these days.
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post #16 of 18 (permalink) Old 01-19-2013, 11:47 AM
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Vulcan timing covers don't usually leak. Coolant can feel oily once it dries out a little.
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post #17 of 18 (permalink) Old 01-21-2013, 09:04 AM Thread Starter
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Update:

Everything seems to be ok! I replaced the stat and water pump (& gaskets) along with a few hoses that needed replacement. My car heated up nicely in about 5-6 minutes. I don't see any leaks anywhere right now.

Heat didn't work very well this morn, but then again it's -12 here in Minneapolis.

Thanks for all the help!
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post #18 of 18 (permalink) Old 01-23-2013, 02:44 PM Thread Starter
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Update...

The "leak" is back. I call it a leak because it is quite slow this time, but nonetheless a leak. Coolant is seeping out from the interface between the stat housing and the LIM just as it was before. The seepage hasn't been enough to start dripping onto other engine parts, yet. I noticed it this morning after I got to work.

My driving habits since the last repair have been to and from work; 40 mins round-trip at mostly highway speed. The car does warm up nicely (from a temp gauge perspective, not hot air though). I don't see any other leaks in the system. The key word is "see".

I intend to take this into a mechanic tomorrow (Thursday) and have them conduct a pressure test. My hope is to determine if the stat gasket/housing area is to blame for this leak, so I was thinking the mechanic could do this:
-pressure test
-replace gasket
-flush n fill
-pressure test
Does this sound like a good idea? Any other direction that I maybe should be taking instead?
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