C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

IAC question?

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Old Jan 31, 2008 | 07:50 AM
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Default IAC question?

The FSM suggests use a thread lock compound when changing the IAC valve but does not state which, any one know?

Thanks
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Old Jan 31, 2008 | 09:49 AM
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I've removed / replaced the IAC many times without thread lock or sealant with no problems. Make sure and use the gasket though.
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Old Jan 31, 2008 | 09:50 AM
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Originally Posted by geezel
I've removed / replaced the IAC many times without thread lock or sealant with no problems. Make sure and use the gasket though.
Ok, thanks for the input!
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Old Jan 31, 2008 | 12:28 PM
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Don't use threadlocker the IAC valve is soft and you can screw it up.The gasket will take care of any possible leaks.
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Old Jan 31, 2008 | 12:49 PM
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gasket?

I've been having a bit of an idle problem with my LT4, and I don't think there's any gasket on the IAC valve. Where do I get said gasket?
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Old Jan 31, 2008 | 12:57 PM
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Originally Posted by jwalker87
gasket?

I've been having a bit of an idle problem with my LT4, and I don't think there's any gasket on the IAC valve. Where do I get said gasket?
It is very thin but there is a new one included with the new valve and it is shown in the FSM, but mine's a L-98!
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Old Jan 31, 2008 | 01:08 PM
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Originally Posted by staugur
Don't use threadlocker the IAC valve is soft and you can screw it up.The gasket will take care of any possible leaks.
Thanks!
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Old Jan 31, 2008 | 02:24 PM
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No thread lock on the IAC. Just the round gasket. If you purchase a new IAC the gasket will be included. You will have to use gasket paper to make a new gasket if you need just the gasket because they are not sold seperately anywhere.
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