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1989 Turbo II Air Pump Removal Problem...help!

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Old 03-23-03, 12:07 AM
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1989 Turbo II Air Pump Removal Problem...help!

I removed my Air Pump and AVC as per the directions on 1300cc.com, blocked off the air hole in the air box, put on a block off plate on the AVC and the hose that goes to the cat (removed). I also blocked off the 3 vacuum hoses.


The problem is that when I start the car it seems like there is an air intake leak. The car starts, but backfires when you give it gas and let go (every time). The car also stops running if you let off the gas.

It sounds like an intake leak, but everything checks out.

Would there maybe be a leak through the blockoff plates? (not enough gasket goop??).

-Thank you!
Old 03-23-03, 12:12 AM
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you ran a new line to your boost sensor and BOV?

MAF pluged back in?

blooked off the hole where the split air connects to the block?
Old 03-23-03, 12:12 AM
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yuppers

Sure did.

I can go out and take some images digitally right now if you want
Old 03-23-03, 12:16 AM
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You may as well. But spray some carb cleaner (or similar) around. Easy way of finding intake leaks.
Old 03-23-03, 12:20 AM
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have you tried warming up the car before leting off the gas...also check the line that goes to the BAC after the turbo....pics would help

P.S. Whats an Air Pump
Old 03-23-03, 12:26 AM
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Did you plug the hole for the split air pipe on the cat? :o
Old 03-23-03, 12:32 AM
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I plugged em all

Its a little messy, havent cleaned up yet just in case it didn't work right off the bat.


Old 03-23-03, 12:33 AM
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How thick is that plate?
Old 03-23-03, 12:34 AM
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of course

of course I removed the BOV and thus so there is nothing blocking the BAC hole or the one vacuum tube T fitting.
Old 03-23-03, 12:35 AM
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thickness

The plate is as thick as the K2RD block off plate.
Old 03-23-03, 12:39 AM
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Hrm. Try spraying carb cleaner.
Old 03-23-03, 12:41 AM
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yea...

Yea I guess I will do that.

Problem is it won't run long enough for me to do that lol

Looks like I will need to double team this one.

Is it at all possible that I just didn't put enough gasket goop on it and its leaking from there?

Also just for curiosity sake, where does that hole (with the blockoff plate covering it) where the AVC was connect to? Directly to the intake manifold?

Last edited by PraxRX7; 03-23-03 at 12:44 AM.
Old 03-23-03, 12:44 AM
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Bah Grab the tb with your hand and open it and spray carb with the other Or jam a screw driver in the tb assembly. Yes its possible. The problem I see with rtv sealant is when you tighten it, it always squirts out. What I usually do is put the plate against it, but dont torque it down. I leave it like that for about 30 min then tighten it. Gives the stuff I use enough time to dry and actually keep some on the gasket surface.
Old 03-23-03, 12:45 AM
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I see you PRoblem!!!! will post with the it in a sec..
Old 03-23-03, 12:46 AM
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ok thanks!

ok Thanks for the help.

The backfireing and stuff isn't going to blow my motor while I am looking for leaks eh?
Old 03-23-03, 12:49 AM
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What are you talking about that is a clean *** engine bay..what are you doing with this right here..just athought maybe you allready newthat...

Old 03-23-03, 12:51 AM
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that

that is attached to my Intercooler inlet pipe as soon as I put the intercooler on.
Old 03-23-03, 12:52 AM
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nm
Old 03-23-03, 12:56 AM
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hmmm...



Well I am sure I will figure it out...if the plates are blocked off and there is NOTHING that should be leaking...carb cleaner will just have to be sprayed everywhere lol
Old 03-23-03, 01:32 AM
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pluged the BAC back in?
Old 03-23-03, 01:39 AM
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uh-huh

Yup...

Man I thought this was going to be so easy to!

Oh well, only took me 4 hours to tear the whole things apart anyway so I can't complain.

I will just spray carb fluid all over it in the morning.

(If I spray in CARB fluid and it sucks it in, how will that effect the idle?)
Old 03-23-03, 03:52 AM
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It will smooth the engine out.
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