Engine/Power - EJ25T (STI and 2006+ WRX) Discussions about the USDM 2006+ WRX and WRX STi 2.5 liter turbo flat-four.

ATTN STi owners - turbo oil return line can leak onto hot exhaust!

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Old 01-29-2004 | 05:19 PM
  #31  
qbbraveheart's Avatar
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From: Brooklyn, NY
Car Info: Sold my 05 Evo...Carless for a while...then 05' WRB STi whenever lol :(
Originally posted by Mine'sRacingGDB
I guess the best way to do this is take it back to the dealer... if u still under warranty...

Alan
true but then theres the whole issue of whether or not your dealer is a ***** or not and refuse warranty work

not likely but its happened to me with my prelude
Old 02-01-2004 | 04:27 PM
  #32  
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Car Info: 2005 Impreza WRX STi
ALL, I have a WRX and normally wouldn't say anything here in an STi thread, but the WRX turbo is cooled by coolant, not oil. I am surprised to hear WRX owners having this problem. And as many times as I have had the uppipe and downpipe off my car, I don't know of any oil lines in that area. That picture would help!


J
Old 02-01-2004 | 08:21 PM
  #33  
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Car Info: 02 Impreza WRX sedan
Origami posted by RumblingREX
the WRX turbo is cooled by coolant, not oil.
The bearings are cooled by coolant and engine oil, but lubed only by the same engine oil. See pics from wrXrtd's site. The coolant flows around the area of the bearing, while the oil directly lubricates the bearing.

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0==WW==0
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Old 02-02-2004 | 11:40 AM
  #34  
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Car Info: 2005 Impreza WRX STi
Thanks, I will have to look for that hose the next time I have the exhaust off the car. This opens a new door, is coking a problem?? I never invested in a turbo timer because of my misnotion of no oil being used. Point me in the right direction. Thanks again for the education.

J
Old 02-05-2004 | 06:18 PM
  #35  
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From: Sacramento CA
Car Info: 02 Impreza WRX sedan
Turbo timers are a fairly popular add-on. I don't plan on getting one but my drive home for the last two hundred yards is less than 10 mph. I also use a synthetic oil which is supposedly less prone to coking in the turbo. The water-cooled center bearing was used on the stock turbo to alleviate the problems of coking. It works as long as you keep the coolant level at the proper level (little or no air in the system and the reservoir bottle at the proper level).

I don't think it hurts to have a turbo timer. I would consider it to be insurance. If you have the factory alarm, you will have to look at ScoobyMods.com for a wiring fix.

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0==WW==0
"…axles of evil…" - george w. bush
Old 02-19-2004 | 05:41 PM
  #36  
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Unhappy oil return line

Question, Is this happening to every 2004 STi or is it just a few here and there, its starting to worry me. Also sorry to those who have had it happened to them sounds like it makes for a nasty fix and clean up.
Old 02-19-2004 | 05:55 PM
  #37  
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Joined: Feb 2004
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From: East Bay
Car Info: WRX Sti
Re: oil return line

Originally posted by r6technix
Question, Is this happening to every 2004 STi or is it just a few here and there, its starting to worry me. Also sorry to those who have had it happened to them sounds like it makes for a nasty fix and clean up.
R6Technix is right. this is getting me worried. If this is really a serious issue, should we address it to Subaru to make this a recall fix? I mean, it shouldn't be the owner's liability to fix a factory problem. Why should I have to pay hundreds of dollars or get stranded on the road because the manufacturer screwed up. I don't drive my car often. Probably only during the weekends. any inputs?
Old 06-22-2004 | 08:13 PM
  #39  
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Car Info: 05 Impreza CGM
what about replacing the rubber hose with a stainless steel hose. I mean if one is replacing the turbo might as well replace that hose. If the stainless hose is a bit longer it would reach very nicelly clump in and never have to worry.

Nick
Old 11-01-2011 | 12:19 PM
  #40  
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Car Info: '00 2.5RS Coupe w/ '04 STI Magic
Thread from the dead!

I've been having this issue with my 2004 STi engine (in a 2000 2.5RS), and I'm curious to know if anyone went with a slightly-too-long hose instead of the stock one to try and prevent it from coming loose or popping off?

Does anyone know the specs of the hose so I can pickup a replacement without having to trek over to the subaru dealer?
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