What makes a new turbo do this?
10-01-2006, 10:29 PM
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What makes a new turbo do this?
I have a brand new turbo t3 stage 1 it’s not even done 500 miles and I have oil all over my gearbox and black brunt oil on the bottom of my turbo.
Any ideas
Thx Ollie
Any ideas
Thx Ollie
10-01-2006, 10:54 PM
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Hears is a bit more info to help.
The car is running 1 bar of boost.
The black burnet oil on the turbo is on the exhaust side of the turbo.
Thanks Ollie
The car is running 1 bar of boost.
The black burnet oil on the turbo is on the exhaust side of the turbo.
Thanks Ollie
10-01-2006, 11:29 PM
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yep, like Tim says...
3 choices...
1, Exhaust end seal is not working as it should for some reason (damage etc),
2, Oil pressure in the centre bearing housing is too high, forcing oil through the exhaust seal.
3, There is a restriction in the oil drain path causing oil to back up into the bearing housing and hence causing excess bearing housing pressure..
3 choices...
1, Exhaust end seal is not working as it should for some reason (damage etc),
2, Oil pressure in the centre bearing housing is too high, forcing oil through the exhaust seal.
3, There is a restriction in the oil drain path causing oil to back up into the bearing housing and hence causing excess bearing housing pressure..
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11-01-2006, 08:22 AM
#8
PassionFord Post Whore!!
Oliver your just trying to beat my record of how long between a new turbo being fitted and taken off again 
I think your zorst housing has done that can not cope lol
I think your zorst housing has done that can not cope lol
11-01-2006, 08:40 AM
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No restrictions that I know of in the down pipe I checked that when fitting the turbo.
I have not noticed any smoke but I do have some oil in my exhaust.
Faye did you see any smoke last night?
I don’t think I want to be the record holder on this one Faye turbos are not cheap
I have not noticed any smoke but I do have some oil in my exhaust.
Faye did you see any smoke last night?
I don’t think I want to be the record holder on this one Faye turbos are not cheap
11-01-2006, 08:47 AM
#14
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Im Psychic lol Yes I am 
Could having a exhaust housing thats to small for the spec and restricting the car cause this?
PS everything is brand new on this car Stu, Turbo, breather hoses, oil return etc
Could having a exhaust housing thats to small for the spec and restricting the car cause this?
PS everything is brand new on this car Stu, Turbo, breather hoses, oil return etc
11-01-2006, 08:51 AM
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Sorry that’s what I mean. I checked the oil return with my finger and then carefully poked a screwdriver in the hole and it wiggled up and down fine.
I have a bally oil breather fitted and my oil cap has never blown off.
Thanks Ollie
I have a bally oil breather fitted and my oil cap has never blown off.
Thanks Ollie
11-01-2006, 08:53 AM
#17
Originally Posted by Ollie MK5 Turbo
Sorry that’s what I mean. I checked the oil return with my finger and then carefully poked a screwdriver in the hole and it wiggled up and down fine.
I have a bally oil breather fitted and my oil cap has never blown off.
Thanks Ollie
I have a bally oil breather fitted and my oil cap has never blown off.
Thanks Ollie
Presumably you primed the oil system before connecting the oil supply pipe and running the engine?
11-01-2006, 09:31 AM
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Yes i primed the oil system and then connected the turbo up.
Turbo is now comming off tonight and going back to the company who made it.
Thanks for your help stu
Turbo is now comming off tonight and going back to the company who made it.
Thanks for your help stu
11-01-2006, 09:54 AM
#23
Originally Posted by Stu @ M Developments
Originally Posted by bud-weis
oil contamination is the reason that turbo companies usually give for turbo failure, no matter what the actual problem is 
11-01-2006, 10:37 AM
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Stu,
Do you have experience of what exactly happens when the seal fails to cause this kind of problem?
ie. can the journal bearings be ok and the seal (assuming piston ring type exhaust seal) still leak? - obviously if the journal bearing wears it will let the shaft and hence the seal ring move around too much..
I can only imagine a couple of conditions -
1, the seal ring breaks, or
2, the bearing housing is worn or damaged so the seal ring can't seat properly and/or has excessive end-gap...
Do you have any experience of staggered-gap exhaust end piston ring seals? are they significantly better, they seem like they should be..?
Do you have experience of what exactly happens when the seal fails to cause this kind of problem?
ie. can the journal bearings be ok and the seal (assuming piston ring type exhaust seal) still leak? - obviously if the journal bearing wears it will let the shaft and hence the seal ring move around too much..
I can only imagine a couple of conditions -
1, the seal ring breaks, or
2, the bearing housing is worn or damaged so the seal ring can't seat properly and/or has excessive end-gap...
Do you have any experience of staggered-gap exhaust end piston ring seals? are they significantly better, they seem like they should be..?
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