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Help with water leaking ASAP!! New engine..

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Old 06-30-2010, 08:01 PM
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Exclamation Help with water leaking ASAP!! New engine..

Ok for the past couple of days I have been installing a new motor, tranny..yada yada yada. Everything is in place and we were filling up the coolant....all of a sudden out of the back of the passenger head water started to leak out of one of the threaded holes. Am I missing a step? Did I forget to put something back there or can I just put a bolt in it and call it a day? My setup is a ls6 bottom end and 5.3 TEA heads.
Old 06-30-2010, 08:06 PM
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There is a plug that goes there. That would be the coolant temp sensor hole IF you were using it as the driver's side head.
Old 06-30-2010, 08:09 PM
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Originally Posted by Brian@SpectacleSolutions
There is a plug that goes there. That would be the coolant temp sensor hole IF you were using it as the driver's side head.
THANK YOU! I appreciate the quick response, I will plug it and continue on. I was worried a lil...
Old 06-30-2010, 08:14 PM
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No problem.
Old 07-01-2010, 06:58 AM
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Been there befor lol!
Old 07-01-2010, 07:06 AM
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Me too. I was pissed at the engine builder till I figured out they just missed a plug. Lost some wetter water. I was more upset that the dog was trying to get in to the stuff
Old 07-01-2010, 07:22 AM
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Was that the one? There is also a threaded hole for the coolant crossover or plugs, depending on front/back, etc.
Old 07-03-2010, 10:04 AM
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Originally Posted by 1SLwLS1
Was that the one? There is also a threaded hole for the coolant crossover or plugs, depending on front/back, etc.
Very true! There are also little gaskets that go in between the coolant crossover and the block. I forgot one of these previously and leaked coolant, couldn't figure out why for a while. Finally I found the gasket and whalaaa!
Old 07-03-2010, 11:04 AM
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The bolt is an M12 x 1.5

Get the shortest one you can find and add a little teflon tape on the threads.




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