Re: AIC valve - is this normal?? - Saab 900 Bulletin Board - Saabnet.com
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Re: AIC valve - is this normal??
Posted by JohnK (more from JohnK) on Mon, 16 Dec 2002 11:22:52
In Reply to: AIC valve - is this normal??, andy
[Profile/Gallery]
, Sun, 15 Dec 2002 15:02:50
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OK to buzz slightly, but normally you can't hear it over the engine noise, so it might be sticking. I would remove it and clean with carb spray and finish with a shot of WD40. See if the noise is reduced.
I would also squeeze on the hose from the valve to the intake downstream of the throttle butterfly. Does the valve try to adapt to the restriction and feed more air so you notice the other hose constricting a bit from more vacuum? This squeeze test is not from any manual and is just a hunch from what I have observed messing around with my intake.
posted by 216.75.9...
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