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-   -   Turbo Leaking Oil (http://www.toyota-supra.info/forums/mkiii-supra/2262-turbo-leaking-oil.html)

GreenChevelleSS 10-27-2005 02:56 AM

Is my Turbo Leaking Oil ????
 
My engine had excessive carbon build up in the cylinders and I figured it was the rings so I was thinking of pulling the block and putting in new rings and checking the bearings and all, but today I pulled one of the intake tubes for the intercooler because it was messed up pretty bad what do I find oil pouring out of the intercooler and that tube so I started thinking that it is the turbo causeing all the carbon buildup instead of the rings. What do you think, I highly doubt the turbos ever been rebuilt but the engine is relativily new but who ever built it wasnt very smart. So what do you think should I go ahead and pull the rest of the engine, ive already got the head off, or should I put it back together and rebuild the turbo? Is there a way I can test the turbo for leakage?

GreenChevelleSS 10-27-2005 11:54 PM

anyone have any ideas?

joel w 10-28-2005 02:26 AM

a little oil in the ic piping is normal (not pouring out) but a coating inside due to crank case venting back into the accordian hose before the turbo, Did it smoke when it was running last? describe it if it did.? when my turbo blew the oil seal, it was just a puff at first then next day it got worse as i let off on boost to an idle at speed it would smoke bad. bad enough i parked it for repairs. I havent heard of anyone actually having to install rings on these supras due to blowby, Not saying it dont happen but its not common that i know of? i guess it depends on your cash flow and what you plan is with the car, if your going for seroiuse power id pull it, but if your basically stock, i guess i would mic all the cyinders and look for sloppy pistons and if therewith in tolerences, slap it back together?? i got 157k on stock block and ive been at 10-14 psi for 2 yrs now woth no smoke issues ever..cept the turbo..

GreenChevelleSS 10-28-2005 02:55 AM

well i got the car with a blown head gasket and I havent heard it run yet. I got it very cheap and figured I could fix it pretty cheap and fast and use for a daily driver instead of my consistent 15mpg truck.
When I pulled off the intake tube that goes in between the intercooler and the turbo, enough oil poured out to fill a about a 4oz container and then when I set that tube to the side more oil came out of it.

Bullz_EyE 10-28-2005 03:08 AM

May I suggest a PCV Catch can breather?

GreenChevelleSS 10-28-2005 03:51 AM

Yea i dont think this much oil could come from the pcv.

GreenChevelleSS 10-28-2005 04:30 AM

I think im gonna go ahead and pull the engine anyway to check the bearings and rings. Any tips on pulling the engine?

Bullz_EyE 10-28-2005 04:37 AM

Quote:

Originally Posted by GreenChevelleSS
Yea i dont think this much oil could come from the pcv.

Over time you may be surprised...

EDIT: Did you read the link?

joel w 10-28-2005 05:34 AM

Ok, anyone here ever had bad rings? or massive blowby that wasnt a turbo seal? that caused that much oil in th IC?

is the turbo sloppy with endplay side to side? Was the old head gasket visably bad?

GreenChevelleSS 10-28-2005 12:28 PM

Yes it is visible. I have a picture on my website of the blown headgasket, you want to look.

Its not the rings that im gonna pull the lower end out for, its the bearings. I dont want to get it back together and have the lower end knocking or a spun rod bearing, how common is this on these lower ends?

GreenChevelleSS 12-19-2005 05:09 AM

OK back to the question, Should I rebuild my Turbo? Is there a way I can check and see if its leaking before installing it? Its a bitch to get on the engine with the engine out and even worse when its in the car. The turbo seems pretty solid but I dont want to have to pull it back out... is it hard to rebuild?

joel w 12-19-2005 05:30 AM

there are some posts on sm that are step by step on how to rebuild them, seems pretty strait forward if its rebuildable.. but i would send mine out so it can be properly set up and balanced.

best way to tell if its bad is describing the smoke when you run it.. idle and deceleration.. or oil in the ic like you described..

im sure someone else tell ya about the rebuild..

GreenChevelleSS 12-19-2005 05:36 AM

What do you think of the Less than $100 turbo rebuild kits on ebay?

joel w 12-19-2005 05:47 AM

id say it came down 50$ in 4 months. thats a good price.. worth a shot...

my second turbo, the bearing siezed to the impeller shaft from overspin, and then that siezed bearing ate into the housing, so the housing had to be machined to accept the oversized bearings..

GreenChevelleSS 12-19-2005 05:51 AM

Also that kit doesnt have any of the gaskets for like the oil lines and other attachments, am i gonna have to make those too? im already having to make a few others that didnt come in the gasket kit that I bought.

joel w 12-19-2005 05:59 AM

ohh, i thought it had gaskets, maybe a different seller. i reused my old oil line gaskets, no leaks.. probably a good idea to make them or go to a dealer and get them..

GreenChevelleSS 12-20-2005 05:55 AM

Well pulled it apart.... was leaking oil like I suspected pretty badly too. the bearings were really worn out too. I ordered that cheap rebuild kit. lets hope it lasts....

joel w 12-20-2005 06:21 AM

here is the link i was refering to.
http://www.supramania.com/forums/showthread.php?t=3991

good luck,, let us know how she works..

GreenChevelleSS 12-21-2005 09:20 PM

Do you think Dupli Colors 1200 degree Ceramic paint will hold up to the heat on the manifold and turbo?

joel w 12-21-2005 09:47 PM

i have heard of people using it, but not sure what success it has, i though it had to be baked on at 400 degress, but i guess it will when you start it up..

also i hear VHT 1500 paint is ok.

GreenChevelleSS 12-21-2005 10:27 PM

Ive been setting all the parts Im painting on my Kerosene heater to bake them before I paint them and then after painting I set them back on there. It gets them so hot that I cant touch them and the paint as I spray it on there smokes and boils if I spray too much. So I think it gets them hot enough and it also gets all the cleaning solutions I used off of them too before I paint them...


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