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Old 12-01-2019, 12:03 AM   #7
fetchitfido
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Join Date: May 2006
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2001 SC2
Default Re: Need screw in fitting for water heater hose, dr. side

Quote:
Originally Posted by fdryer View Post
Is this the intake manifold with heater outlet? If yes, there are threads about it. One video, https://www.youtube.com/watch?v=jtiv4FTcPg4, shows a repair. Other videos are available. Dorman part, https://www.amazon.com/Dorman-902-10...12713976&psc=1.
That's for the craptastic 3rd gen plastic intake manifold. The aluminum intake manifolds have a screw in fitting "hose barb" that threads into the IM while providing a nipple for the coolant hose to slip onto.

I've no idea what the thread is, but I'd hazard a guess that the hose is 5/8" so you'd need a 5/8" barb and try a couple different 5/8" thread styles to see what fits in the intake. Pipe thread tends to be a narrow measure for a given size while straight/compression thread tends to be normal/wide measure.

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