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http://s4.zetaboards.com/lexusaltezzaclub/topic/1148393/1/#new



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Oil Leak From Pod
Topic Started: Dec 12 2011, 11:45 AM (1,180 Views)
tuiman
Stock
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Hey guys, took my car out for a boost into town this morning to get some stores, i have a rs200 3sget came back and noticed the car was idiling rough as guts, left it to cool and noticed there was fresh oil on the concrete, so poped the bonnet and the oil is coming out of the pod filter, now can anybody tell what has caused this? I seem to think i have broken a piston or an oil ring, can anybody confirm? CHEERS
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Beanman
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I'm not entirely sure, but I wouldn't recommend driving it until it's fixed.
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xnickx
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^^ You may thank me ^^
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Have you got the factory breather going back into the intake (before the turbo) ?

Blocked PCV Valve?
Contacting me for parts

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assassin10000
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Soccer Mom
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^ what he said.

You may need to add a catch tank to the breather line if it is going to before the turbo. This is not an uncommon problem on turbo motors.

Or perhaps the turbo's oil seals are bad. If you didn't notice it running bad before the rough idling it's less likely to be rings/pistons. If your not running a map based standalone and are using a PFC the MAF could just be contaminated with engine oil.


Andrew
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tuiman
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xnickx,Dec 12 2011
04:31 AM
Have you got the factory breather going back into the intake (before the turbo) ?

Blocked PCV Valve?

yes the breather hose is running back into the intake pipe, how do i cheak the PCV valve to see if its blocked? cheer
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tuiman
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assassin10000,Dec 12 2011
06:34 AM
^ what he said.

You may need to add a catch tank to the breather line if it is going to before the turbo. This is not an uncommon problem on turbo motors.

Or perhaps the turbo's oil seals are bad. If you didn't notice it running bad before the rough idling it's less likely to be rings/pistons. If your not running a map based standalone and are using a PFC the MAF could just be contaminated with engine oil.


Andrew

iv been meaning to add a catch can, just havnt brought one already, im running the PFC with a Map sensor and a Maf sensor, maybe i should try cleaning the maf sensor up and see how that goes, the car only runs rough when its idiling, but otherwise runs well when cruising, boost well when warm but not when cold.
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assassin10000
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Soccer Mom
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Clean the intake & the MAF up and add a catch can, or just plug the intake and point the hose at the ground until your catch can arrives. If it runs fine otherwise it's probably not rings/pistons.

Your piping and IC probably have some oil in them too.

Andrew
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Tezz-Winnie
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assassin10000,Dec 13 2011
08:47 AM
Clean the intake & the MAF up and add a catch can, or just plug the intake and point the hose at the ground until your catch can arrives. If it runs fine otherwise it's probably not rings/pistons.

Your piping and IC probably have some oil in them too.

Andrew

definetly check your IC. Its the lowwest point in your system and If there is that much oil in your pod then I bet there is going to be a a few cups full in your IC. If there is any your going to need to remove the IC and completely degrease it.
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tuiman
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Ok guys have removed maf and piping cleaned it all up threw it bk in started it, it missed when I started it, ab it also ran like shit, myt be time to pull the motor out and put my factory engine in thats sitting under my bench, I think im over this turbo crap, I may have a turbo kit and engine up for grabs
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BlackDiamond
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You can check the PCV valve by removing it while the engine is on, it shall have some suction from the open end. If you put your finger or a sheet of paper on it, you shall see the suction is suck your finger or the paper. If there is no suction, this might be a good indication that your PCV is going bad.
If you shake the pcv valve, it shall rattle, if not, that can also indicate the PCV is damaged.

good luck with it. Ttry to find the solution and attach here. I guess this can be a common problem for Altezza.


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nz_climber
Lowered
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All that oil might have damaged the MAF sensor, or any of the oil in the rest of the intake system has coated the MAF again..

Find out where the oil is coming from before jumping to conclusions, that way people here will be able to help out better with more details.
Building a Beams 3sge powered Mcgregor 7.

Check out progress (or lack of..) at http://www.lotus7.co.nz/forum/viewtopic.ph...957eb3663a85224
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tuiman
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I have put my orginal engine bk in the car, its running mint again as a non turbo, il be pulling my turbo engine apart soon, itl be a broken piston or ring I can garantee it, I have no idea y this would of happened tho, piston are from a mr2 turbo motor so they alot stronger than factory beams
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Maccabro
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beached az!
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tuiman,Dec 16 2011
09:42 AM
I have put my orginal engine bk in the car, its running mint again as a non turbo, il be pulling my turbo engine apart soon, itl be a broken piston or ring I can garantee it, I have no idea y this would of happened tho, piston are from a mr2 turbo motor so they alot stronger than factory beams

if ya turbo motors not [f**k]ed i might be keen to buy it.
altezza 3sge + apexi ax53b60 turbo kit + cwest body kit/ bonnet + modelista angel eye HID head lights +18" enkei NT03 + zeal adjusties + ........................more!
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BlackDiamond
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Can you confirm what is the problem that cause leaky pod ? Are you sure that is due to the broken piston ring ?

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tuiman
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BlackDiamond,Dec 19 2011
02:57 AM
Can you confirm what is the problem that cause leaky pod ? Are you sure that is due to the broken piston ring ?

Yeah mate it has to be something to do with the pistons, I took thw head snd everything off and put it bk on my factory block, it runs mint, im guna have to pull the the turbo pistons out and see what the problem is soon.
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BlackDiamond
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Can you keep us in update to this problem. thanks
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tuiman
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ok guys have just finished stripping the engine and number 2 piston is broken, i have no idea what would have caused this, im wondering if the factory pistons will be ok to use? either that where can i get forged pistons from anyone know? cheers
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Tezz-Winnie
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Get forged pistons from arrow, toda, send Celica RA45 (AKA Glen) a message he has a reall good knowledge of the beams and turbo pistons
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Distrb
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Nuts
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Factory pistons can work, but depends what you want to achieve and your goals etc.

Speedtech(STM) get a JE forged piston made to suit. Around the $1300 mark last i checked. Give them a ring for accurate pricing.
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tuiman
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Distrb,Dec 23 2011
11:15 PM
Factory pistons can work, but depends what you want to achieve and your goals etc.

Speedtech(STM) get a JE forged piston made to suit. Around the $1300 mark last i checked. Give them a ring for accurate pricing.

Would the factory pistons be ok for 160kw, what would cause the pistons to break like that?
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assassin10000
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Soccer Mom
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Where did the pistons break? Did you have the turbo pistons redone for the beams head/valves? IIRC the valve reliefs are way different due to the different head design.



Andrew
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Soiled Altezza
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...
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Factory ones are more than fine for that... Aslong as you have a good tune.
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Garage: http://altezza.dualzdesigns.com/viewcar.ph...wner=17&frmpg=0
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tuiman
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assassin10000,Dec 24 2011
05:59 AM
Where did the pistons break? Did you have the turbo pistons redone for the beams head/valves? IIRC the valve reliefs are way different due to the different head design.



Andrew

The piston broke in between the 2 top rings, yes I have mr 2 turbo pistons and the valve pockets had been machined to suite my head cheers
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tuiman
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Soiled Altezza,Dec 24 2011
08:22 AM
Factory ones are more than fine for that... Aslong as you have a good tune.

Sweet I may look at throwing them in with 2 head gaskets, either that try and find some forge pistons, not sure where to get a hold of them tho
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assassin10000
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Soccer Mom
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Yeah, sounds like detonation or a poor tune. The stock pistons should have held up just fine.


Andrew
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