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[SOLVED] my turbo is missing seals
12-21-2009, 11:03 AM
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my turbo is missing seals
I bought a T3/t4 50trim .63ar turbo from a friend of mine, and i've had it on the car for a few months now and realized i have a good amount of oil in my intercooler piping. So i decited to take the turbo apart. I found 2 things that are missing on the compressor side, i found no seal and no thrust spring on the back plate. Could that be the reason why i have oil in my intercooler piping?
that star looking thing is the thrust spring which was missing and i added it and it was missing that Big O ring that seals the compressor. 2nd pic number 11.
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12-21-2009, 12:45 PM
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I absolutely think thats the reason you are seeing oil in the intercooler.
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2004 Nissan Titan SE KC 4X2: AEM Brute Force Intake, NISMO Exhaust, NISMO Shock Kit, PRG Upper Control Arms, PRG Sway Bar Endlinks, PRG LCA Spacers, Eagle Alloy 17x8, Nitto Terra Grappler 295/75/17, Alpine iXA-W404, Apline Power Pack, Apline KCE-400BT, Alpine Imprint, Alpine Type-R Door Speakers, US Amps USA-400, JBL GTO0804
2004 Nissan 350Z: Turbonetics Stage 1 Turbo System, Apexi WS2, HKS LS+ Coilovers with Swift Springs, Hotchkis Sway Bars, NISMO LSD, NISMO Diff Cover, ACT Clutch, JWT Flywheel, GSpec Short Shifter, Hawk HPS pads, Blitz Upper Raditor Hose, Motordyne 5/16" Plenum Spacer, Volk LE37T 19x8.5 and 19x10.5, Blitz FATT DCIII
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12-21-2009, 01:36 PM
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hanks.
what is the purpuse of the thrust spring? like what difference would it make if it was there or not?
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12-22-2009, 08:56 AM
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Courtesy of Tyler from Turbonetics:
The thrust spring is used when the bronze thrust bearing is not bolted down to the bearing housing. In most 360 deg. thrust bearing turbos the thrust bearing itelf gets bolted by three small screws down to the bearing housing. The dynamic thrust collar rides on a film of oil on the ramps of the thrust bearing and that is what absorbs the compressor side thrust loading.
In a standard 270 deg. bearing turbo the thrust spring is used to keep the thrust bearing in place against the bearing housing.
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2004 Nissan Titan SE KC 4X2: AEM Brute Force Intake, NISMO Exhaust, NISMO Shock Kit, PRG Upper Control Arms, PRG Sway Bar Endlinks, PRG LCA Spacers, Eagle Alloy 17x8, Nitto Terra Grappler 295/75/17, Alpine iXA-W404, Apline Power Pack, Apline KCE-400BT, Alpine Imprint, Alpine Type-R Door Speakers, US Amps USA-400, JBL GTO0804
2004 Nissan 350Z: Turbonetics Stage 1 Turbo System, Apexi WS2, HKS LS+ Coilovers with Swift Springs, Hotchkis Sway Bars, NISMO LSD, NISMO Diff Cover, ACT Clutch, JWT Flywheel, GSpec Short Shifter, Hawk HPS pads, Blitz Upper Raditor Hose, Motordyne 5/16" Plenum Spacer, Volk LE37T 19x8.5 and 19x10.5, Blitz FATT DCIII
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12-22-2009, 09:49 AM
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thank you. that cleared up alot
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12-28-2009, 10:46 AM
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that could explain my case too
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12-28-2009, 11:14 AM
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update: i changed the seals and still having some oil going down the compressor side into the intercooler and from the intercooler it sprays some on my MAF sensor then the oil starts to mess up my afr readings.
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12-28-2009, 12:22 PM
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Quote:
Originally Posted by splash45
update: i changed the seals and still having some oil going down the compressor side into the intercooler and from the intercooler it sprays some on my MAF sensor then the oil starts to mess up my afr readings.
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it might be left over from the inside of the fmic.......take the fmic out & clean it to see if it goes away
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12-28-2009, 12:41 PM
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I did clean it with maf sensor spray. and everytime i do acouple of WOT it gets wet with oil again.
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12-28-2009, 01:20 PM
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Quote:
Originally Posted by splash45
I did clean it with maf sensor spray. and everytime i do acouple of WOT it gets wet with oil again.
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is the drain straight down?? is your turbo ball bearing or standard?
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Stock Mazda6 V6 Next turbo project & Daily Driver
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