2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Have to ask- This has me stumped- bad turbo?

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Old Jun 16, 2004 | 01:45 PM
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Have to ask- This has me stumped- bad turbo?

Ok-
I have sitting in my drive way a 1988 TII.
Its got 149k origonal miles and until 3 days ago ran PERFECT.

The oil buzer came on 3 days ago, and was taken immediatly home (15 minutes/miles)-
Upon reaching home- the low oil light showed itself.

At this point the owner changed the oil, replaced the filter, and thats it.
After restarting the car- thich white with a blue tint bellowing smoke appers below 4k rpm. It is not coolant, it is burning oil is a mass quantity. I have done the coolant checks already.

Now oil seals usualy are a gradual problem, and I know several that run the car down to the light and their cars have been fine.

Its not the TID side of the turbo either- the turbo was replaced just recently- However the oil intake line is kinked pretty bad.


Any ideas=

Last edited by The Spyder; Jun 16, 2004 at 01:52 PM.
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Old Jun 16, 2004 | 01:50 PM
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Is there any oil in the IC couplers? If not, look down near the manifold and see if there's any oil seeping out. That should give you an idea of where it's coming from.
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Old Jun 16, 2004 | 01:51 PM
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Well you're dumping too much oil somewhere.

I'd start by checking the MOP linkage. Is it still connected at the TB?
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Old Jun 16, 2004 | 02:00 PM
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Idle

2,5k or so- anything higher and my house gets covered.


No oil at the IC connectors or in the intercooler-
Will check the manifold and the MOP linkage-
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Old Jun 16, 2004 | 02:06 PM
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The guy who changed the oil probably put way too much in. Its a possibility at least.

-Joe
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Old Jun 16, 2004 | 02:08 PM
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Ahh-
The MOP linkage is all good-

But there is good ammount of fresh oil on the engine/manifold gasket-

And I noticed oil stains on the hotside of the turbo, on both sides-

None of this was here a week ago- I need to put the car up to see more.....
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Old Jun 16, 2004 | 02:09 PM
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Originally posted by OverDriven
The guy who changed the oil probably put way too much in. Its a possibility at least.

-Joe
4.5 Quarts Castrol 20-50w
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Old Jun 16, 2004 | 02:13 PM
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Oil rings are gone. Sorry
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Old Jun 16, 2004 | 02:27 PM
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Figured that .

Time to swap the Jspec sitting here in.....
Darn what a waste of a perfectly good motor due to not checking the oil.
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Old Jun 16, 2004 | 03:13 PM
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get apex everything for all kinds os seels. too much oil and to thick is to hard on the eng, i use 20-50 in my 85 toy pic 4x4.
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Old Jun 16, 2004 | 05:02 PM
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Having a spare motor is a good thing
Rebuild and port the spare motor for a rainy day.
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Old Jun 16, 2004 | 05:09 PM
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And since im in oregon- when it rains- it POURS.
Looks like Ill have 2 motors to rebuild by the time my projects are finished up :p.

But everyone agrees- seals are shot- not the turbo?
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Old Jun 16, 2004 | 07:30 PM
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HAHA I got a ticket last year for the same problem.
Copper said he thought my car was on fire(and i was going 45 mph!!!)

Anyway check if your oil smells strongly of gas (probably thin too)

Obviously the seals are going, but 2 things cleared mine right up (mind you, I will be rebuilding this fall)

1. my leading coils were fried, so the engine wasn't burning efficiently and was loading up.
2. changed oil with some fresh (non-gas-diluted) 20w/50 and some o-ring conditioner/gas additive (I don't remember what kind.... It was highly recommended by a trusted mechanic for rotaries)
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Old Jun 16, 2004 | 07:49 PM
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well there is the slight chance that the turbo drain line has clogged up or something and now all that oil being pushed into the turbo only has the back route to go.

My exhaust smoked pretty good before I reduced the pressue going into it.
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Old Jun 16, 2004 | 08:10 PM
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Sooo im pretty sure its the turbo.......

Wanna know why? The block/manifold oil was just splatter.....
From this.....

Top- notice seap through from where turbo breaks from exhaust.


Notice how its pooling from the bottom of the turbo? And out the exhaust...... damn it is the turbo hot side.

Cheaper then a new motor!


Oh yeah- the car-



Last edited by The Spyder; Jun 16, 2004 at 08:28 PM.
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Old Jun 16, 2004 | 09:54 PM
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Ive got a turbo for sale on Ebay.
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Old Jun 17, 2004 | 02:25 AM
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don't forget to check your oil return lines.

It's most likely the culprit.
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Old Jun 17, 2004 | 02:32 AM
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Yeah they are all comming off tommorow for a good cleaning.
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Old Jun 17, 2004 | 08:03 PM
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Now I am just COMPLETLY CONFUSED. What the hell is going on with this car.

So I ripped the turbo off.
And what do I find? The hot side is completly douced in oil.
Ok- hot side is bad.

But wait. WTF is this??
The front exhaust port and matching manifold is coated with a thick covering of OIL.







Sooooo my question is- is it the turbo or the oil seal??
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Old Jun 17, 2004 | 08:21 PM
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Im pretty sure its the front oil seal thats gone- mabey even the turbo dies at the same time??

I have no idea and its confusing the crap out of me .
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Old Jun 17, 2004 | 08:28 PM
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No, the turbo is fine. I told you once, it's the oil seals. The oil seal on the rotor goes, thus oil spits into the combustion chamber, this basically acts as a giant oil pump and pumps oil out into the turbo, and what happens then? The turbo gets full of oil, and it starts to seap out. That's the whole reason I told you to check the manifolds to see. Chances are your turbo is just fine, clean it out as best you can, then put it back on after a rebuild and it'll burn off whatever's stuck in it. It's going to smoke like all hell after the rebuild because your exhaust has a shitload of oil in it now, as does the turbo/manifold/etc. So be prepared.

Last edited by SonicRaT; Jun 17, 2004 at 08:31 PM.
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Old Jun 17, 2004 | 08:32 PM
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yup it's the engine.

You can tell because the exhaust manifold is oily too.

If it were the turbo only the hotside would be oily and not the manifold.
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Old Jun 17, 2004 | 08:34 PM
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Ok I figured so.
Just needed to check.
Time for an engine swap.
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Old Jun 17, 2004 | 08:36 PM
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Exactly as Digi stated, hotside will cause the puddling to be in the exhaust/wastegate area, i've yet to see any flow all the way back through the exhaust housing (and most of the time it burns it off so quick you can't tell because it doesn't leak all that much in the turbos). It's not a bad engine per-say, it's a great canidate for a rebuild. Since almost everything is reusable, just replace the apex seals, corner seals & plugs, and of course the oil seals, coolant seals and such, and it'll be good as new. Just be happy it was this and not a chewed apex
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Old Jun 17, 2004 | 08:51 PM
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Even at 149k with an unknown history?

I am sooo pissed yet soo glad this isnt my car .
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