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Old 12-11-2004, 01:05 AM   #1
overdose
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Default Part number woes and looking for better online reference?

Recently I had removed my IAC (intake air control) valve from the manifold (sits next to map sensor on the top of the throttle body), the gasket had expanded over time and was not reusable, I ordered a replacement gasket and screws via the subaruparts.com online database from this diagram (i have an 02 sedan):




Part numbers:

*22659*AA120 gasket for between IACV and manifold
*16596*AA030 x2, attaches IACV to manifold

The parts came and the part numbers matched, however the screws weren't even CLOSE to the correct part, they accidently sent me 2 bags of the screws, which i had ordered 1 set, sealed with subaru part numbers on them that matched, they were too short and too skinny in diameter to fit these holes whatsoever

That didn't bother me much, I went to the hardware store and purchased an identically long allen head set of bolts and put two washers on them just like the stock pieces, ended up same length etc

Next I seated the gasket into the bore in the cast of the manifold where it fits, upon initial glance it seemed the gasket needed to sit "higher" so it would make a good seal against the valve itself not letting the coolant get past the water port in the manifold casting, it looked CLOSE but not close enough so I proceeded to torque the bolts down slightly and verified while idling no bubbles/air leaks

But, once in boost it ingests coolant into the combustion chambers! Did *not* do this prior to removing this piece before and as i retorque/replace this gasket once more the onset of a certain pressure level before it leaks and clouds out the tailpipe changes, it's becoming quite evident after purchasing two of these oring gaskets that they are NOT the correct part

I also cross referenced on the site for an 01 wrx and these part numbers coinside with the EJ22 engine/manifold as well, does anyone have a verification of these part numbers?

If these are right I am going to have to end up removing the throttle body and machining the casting so this gasket works and seals properly.
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Old 12-11-2004, 12:26 PM   #2
overdose
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howcome nobody replies ?
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Old 12-11-2004, 10:21 PM   #3
ronf
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because it's too complicated! You have had 58 views but i think most viewers just read the first few lines and saw the diagram and then went on to the next thread. o well..
bump for you anyway !

Last edited by ronf; 12-11-2004 at 10:26 PM.
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Old 12-12-2004, 02:18 PM   #4
overdose
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well i need a solution, where to turn?
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Old 12-12-2004, 02:27 PM   #5
Uncle Scotty
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....the solution is that you have the correct gasket and I know from having removed and replaced them that it can be very difficult to get the gasket seated properly and that it could take you several attempts/gaskets to get it right....the passengers side being the most difficult.....
I have used a small screwdriver and a flashlight to make sure it stays where it is supposed to be durring re-assembly...so it doesn't squirm out of place....an assistant to manipulate the assembly can help, too.

This gasket can be a PITA.
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Old 12-12-2004, 03:02 PM   #6
overdose
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well the gasket sits securely in the bore and doesn't have the ability to "squirm", just doesn't seem tall enough to make a good deal against the IACV body
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Old 12-12-2004, 03:05 PM   #7
Uncle Scotty
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....maybe you got a bad one...
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Old 12-12-2004, 09:02 PM   #8
overdose
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Default

this is the 2nd one i've ordered, am i getting the right part here?
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