throttle body removal/ gasket?

[tips000]

i am planning on cleaning my throttle body tomarrow morning and i was wondering... since you have to take the 4 bolts out to get the elbow leading from the intake to the throttle body off, it looks like that is also the only thing holding the throttle body on... does this mean i should get a new gasket for the throttle body when doing this? also is there just the base gasket or is there another gasket between the elbow and the TB?

also any tips are appreciated

thanks
~nate~

 

[drzdude]

You'll need 2 gaskets, 1 that goes between the TB and elbow and the other goes between the TB and intake manifold.

 

[overboosted1g]

2 of the 4 bolts that hold the throttle body are studs which will hold the TB in place when you remove the elbow. Their are 2 gaskets, the first one goes between the TB and intake and the second goes between the TB and elbow. You can pull just the elbow off and keep the TB attached, but I don't recommend it since that is a common place for a boost leak. And yes those 4 bolts are the only thing besides some hoses and the throttle cable that holds the TB on. But whatever you do make sure you put some rtv on the gasket surfaces.

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[1990AWD]

Well besides the two bolts and two nuts there are the coolant lines, electrical plugs for the tps and isc, and throttle cable. But don't worry, its all pretty straight forward.

2 of the 4 bolts that hold the throttle body are studs which will hold the TB in place when you remove the elbow. Their are 2 gaskets, the first one goes between the TB and intake and the second goes between the TB and elbow. You can pull just the elbow off and keep the TB attached, but I don't recommend it since that is a common place for a boost leak. Whatever you do make sure you put some rtv on the gasket surfaces.

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If your using new gaskets (which you should), RTV shouldn't be needed.

Tighten the throttle body bolts/nuts in a diagnal fashion.

 

[overboosted1g]

I just always feel the need for some extra protection and apply some rtv, it's personal preference.

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[tips000]

ok i have a base gasket on order and it will be in tomarrow... but i have gasket material... would it be ok to cut these 2 gaskets out of it (worked well in my past cars) or are the special materials?

 

[overboosted1g]

That should work fine. I have done it in the past with no problems. Since all you get with a gasket kit is a paper gasket anyways.

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[LiquidX]

Looks like everything has been covered. Since you are pulling it off, you may as well test the ICS for 100% proper function and consider "rebuilding" the TB by putting in new shaft seals. If yours have never been replaced, chances are they are bad and leaking (boost leak).

TB Cleaning
DmTaLoN's Idle Speed Control Test/Fix Page!
Terry's Talon Troubleshooting Tips #3 - Fast Idle (aka. Idle Surge)
Throttle Body O-Ring
TPS Adjustment