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Evo 2 throttle body missing piece?

Started by 4G63EVO0, Nov 05 2013 10:37 PM

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8 replies to this topic

#1
4G63EVO0

Posted 05 November 2013 - 10:37 PM

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91 posts

LocationNew Zealand

hey everyone do you know if theres something to go were the red circles are to fill gap?? as there are air leaks

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#2
EVL20T

Posted 05 November 2013 - 11:19 PM

AWD 4G63T POWAH!

Donating Members
5,197 posts

LocationNewcastle

Ok thats not a EVO2 throttle body, thats a VR4 throttle body

EVO throttle body looks more like this

Edited by EVL20T, 05 November 2013 - 11:22 PM.

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#3
Geo&Kez

Posted 05 November 2013 - 11:32 PM

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1,359 posts

LocationPerth

Nothing 'goes' there as such. Without actually knowing, I'm going to guess that the areas you circled are air paths for stuff like EGR and idle control. Air is most likely 'leaking' through there, but in a 'controlled buy the ECU' kind of way.

I would just be making sure that the whole lot of that is sealed off from any air not coming from that big hole on the right of your picture.

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#4
jack be nimble

Posted 05 November 2013 - 11:44 PM

master of none

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Locationperth sor. 20 mins from brians place

Same applies though.
If it leaks air there, check faces are flat and draw file till they are. Cut a gasket and put some sealer on

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#5
VIN18M

Posted 06 November 2013 - 12:16 AM

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1,209 posts

LocationSydney

That's my throttle body above, all I did was seal most of it with the paper gasket on the inlet to the throttle body. If your gasket matches the inlet then when the throttle body is bolted on it will seal and allow air to pass where required.

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#6
gerryeddie

Posted 26 November 2017 - 10:56 AM

Advanced Member

Members
37 posts

LocationSydney

Posting in here because I can't post anywhere else...
(On an Evo 1)..Took the TB off to replace the shaft seals that were leaking. I also ordered a new TB gasket from Meek which is MD180361which they claim to be for Evo1-9 even though I believe the OEM part number was MD194578.

When I place the gasket it doesn't seem to be quite the right diameter and I don't get the purpose of the raised sections. It seems like it would be very easy for this gasket not to seal well. Can anyone confirm if this is definitely the correct gasket for the Evo 1 even though the diameter looks wrong and if there is any trick to get it to seal well in terms of positioning of the gasket sealer?