Author Topic: oil leak inside turbo  (Read 8388 times)

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Offline Shimy87

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oil leak inside turbo
« on: April 21 2012, 12:20:29 PM »
Have a small oil leak, must be internal on the turbo, oil escapes at connection between turbo outlet and intercooler. Very small. I was going to remove intercooler and flush out with some gasoline, I'm assuming there is oil built up inside it also.
 
Reason for concern???
87 GN, K&N cold air, gutted cat, TT 5.7 chip, AFPR, 340 Walbro w/ hotwire, 60 LBS injectors, 981 valve springs, 206/206 Cam, RJC Powerplate, LS1 MAF & translator, Vacuum brakes, Hellwig rear sway bar, Energy suspension poly bushings, Razors Alky, Pypes exhaust, 5931 turbo, CK9.5 converter

Offline Steve Wood

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Re: oil leak inside turbo
« Reply #1 on: April 21 2012, 04:03:01 PM »
Assuming you do not have the vent line from the end of valve cover to connected to the turbo inlet, then it is a seal in the turbo leaking and it will get worse.

If you do have the line connected, remove it and put a push in KN filter into the end of the cover.  Put a rubber vacuum style cap over the turbo inlet.

Flush out the IC and go on.
Steve Wood

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Offline Shimy87

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Re: oil leak inside turbo
« Reply #2 on: April 21 2012, 10:01:40 PM »
Vent line is not attached, its a seal :icon_confused: . Like you said, wait til the next issue comes up. Is replacing those seals a DIY job or do I need to take it somewhere. Looked in the manual you suggested getting and it seems pretty straight forward, but if I need a press or special tools I'm screwed.
87 GN, K&N cold air, gutted cat, TT 5.7 chip, AFPR, 340 Walbro w/ hotwire, 60 LBS injectors, 981 valve springs, 206/206 Cam, RJC Powerplate, LS1 MAF & translator, Vacuum brakes, Hellwig rear sway bar, Energy suspension poly bushings, Razors Alky, Pypes exhaust, 5931 turbo, CK9.5 converter

Offline Steve Wood

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Re: oil leak inside turbo
« Reply #3 on: April 21 2012, 10:06:46 PM »
instructions for a rebuild are on gnttype but I think I would suggest a rebuild by someone like John Craig at Limit Engineering or a replacement
Steve Wood

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Offline Shimy87

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Re: oil leak inside turbo
« Reply #4 on: April 22 2012, 09:27:55 AM »
When it croaks, if I'm going to have the expence I'm thinking ahead. At some point I want to add alchy. But thats it, no extreme build ups or anything. Should I get a stock rebuild or upgrade to a slighlty bigger turbo?
 
Thanks!!!
87 GN, K&N cold air, gutted cat, TT 5.7 chip, AFPR, 340 Walbro w/ hotwire, 60 LBS injectors, 981 valve springs, 206/206 Cam, RJC Powerplate, LS1 MAF & translator, Vacuum brakes, Hellwig rear sway bar, Energy suspension poly bushings, Razors Alky, Pypes exhaust, 5931 turbo, CK9.5 converter

Offline Steve Wood

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Re: oil leak inside turbo
« Reply #5 on: April 22 2012, 09:29:19 AM »
If you want alky, then a 49 or a 44 is the perfect upgrade,
Steve Wood

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Offline Scoobum

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Re: oil leak inside turbo
« Reply #6 on: April 22 2012, 10:24:11 AM »
You can pick up the CEA 5857...with is the equivalent of the 44 and 49 for the same price...but with all the newest turbo technology.
Hard work pays off, dreams come true. Bad times don't last, but BAD GUYS do!

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Offline Shimy87

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Re: oil leak inside turbo
« Reply #7 on: April 22 2012, 11:19:50 AM »
You can pick up the CEA 5857...with is the equivalent of the 44 and 49 for the same price...but with all the newest turbo technology.

Same place sell them? How much??
87 GN, K&N cold air, gutted cat, TT 5.7 chip, AFPR, 340 Walbro w/ hotwire, 60 LBS injectors, 981 valve springs, 206/206 Cam, RJC Powerplate, LS1 MAF & translator, Vacuum brakes, Hellwig rear sway bar, Energy suspension poly bushings, Razors Alky, Pypes exhaust, 5931 turbo, CK9.5 converter

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Re: oil leak inside turbo
« Reply #8 on: April 22 2012, 11:27:04 AM »
$959 from Full Throttle
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Re: oil leak inside turbo
« Reply #9 on: April 22 2012, 11:29:18 AM »
Cottons has the 44 for $874
Hard work pays off, dreams come true. Bad times don't last, but BAD GUYS do!

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Offline Steve Wood

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Re: oil leak inside turbo
« Reply #10 on: April 22 2012, 12:45:50 PM »
you might look around for a mullet that thought his twelve second car will run tens if he dumps the 44 or 49 and buys a bigger turbo.....a good used 44 or 49 will do the trick as well.  check the tb.com for sale ads
Steve Wood

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Offline Scoobum

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Re: oil leak inside turbo
« Reply #11 on: April 22 2012, 01:16:27 PM »
Steve, Full Throttle has the TE 34 57mm for $599...is that the stocker? If it is...mite be cheaper for him to buy it, than paying to have his rebuilt. He can throw alky at it later.
Hard work pays off, dreams come true. Bad times don't last, but BAD GUYS do!

RIP Scott Hall AKA Razor Ramon

Offline Steve Wood

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Re: oil leak inside turbo
« Reply #12 on: April 22 2012, 08:05:17 PM »
No, that is one step up from a stocker...not a bad little turbo...I ran one many years ago....it should make high elevens on alky.  For some reason, FT is only showing me one turbo today
Steve Wood

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Offline Steve Wood

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Re: oil leak inside turbo
« Reply #13 on: April 22 2012, 08:09:08 PM »
okay, I see it...and also a 5831 billet for $649....I guess that is a billet wheel replacement for the 44?   Might be a good one as well. 
Steve Wood

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Offline Scoobum

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Re: oil leak inside turbo
« Reply #14 on: April 22 2012, 08:12:41 PM »
Hard work pays off, dreams come true. Bad times don't last, but BAD GUYS do!

RIP Scott Hall AKA Razor Ramon

 

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