glennsamuels993
New member
Can anyone advise what is the cause of oil mist inside the turbo, and does it indicate a problem. If so, what could be the implications.
Thank you.
Thank you.
Oil mist in 993 turbo
- Thread starter glennsamuels993
- Start date
HI , Please explain the symptoms other than the mist in the turbocharger,I.E does it smoke excessively on start up, or does it use large amounts of oil, or does it foul the spark plugs with oil over time ,are they noisey?? loss of power , engine check lamp on?? Clarify the problem
regards C
regards C
Gordon Attar
New member
Glenn
Presumably you have been pulling the car apart for a reason i.e. smoking exhaust, low power, strange noises etc?
To help diagnose the problem we need to know why and also is it one or both turbo's, also some people would say they need reconditioning after 70/80k. The car has various seals, preventative equipment etc to stop oil getting into the wrong areas so its a matter of track and trace, symptoms etc.
Presumably you have removed the intercooler and pipes, what state were they in? i.e. from what direction is the oil getting into the turbo. It could be a simple as a faulty oil filter or poorly fitted one or if the car has been sat for a month or two or isnt used much, the seals can harden through lack of lubrication and then you can get a bit of oil seepage, also results in clouds of blue smoke for a minute or two out of one or both the exhausts.
When you've got all the information you can muster repost here and on Rennlist and you will be given all the advice you will need.
Presumably you have been pulling the car apart for a reason i.e. smoking exhaust, low power, strange noises etc?
To help diagnose the problem we need to know why and also is it one or both turbo's, also some people would say they need reconditioning after 70/80k. The car has various seals, preventative equipment etc to stop oil getting into the wrong areas so its a matter of track and trace, symptoms etc.
Presumably you have removed the intercooler and pipes, what state were they in? i.e. from what direction is the oil getting into the turbo. It could be a simple as a faulty oil filter or poorly fitted one or if the car has been sat for a month or two or isnt used much, the seals can harden through lack of lubrication and then you can get a bit of oil seepage, also results in clouds of blue smoke for a minute or two out of one or both the exhausts.
When you've got all the information you can muster repost here and on Rennlist and you will be given all the advice you will need.
Gordon Attar
New member
Mo
Thats not very helpful and he did get some advice.
Dont go to an OPC you're likely to get ripped of by a techie who needs a computer to tell him whats wrong and will have no experience of a 993 turbo, if your down south see a specialist like Northways if you need one
Thats not very helpful and he did get some advice.
Dont go to an OPC you're likely to get ripped of by a techie who needs a computer to tell him whats wrong and will have no experience of a 993 turbo, if your down south see a specialist like Northways if you need one
szklarek
New member
Yes I agree with Gordon - stay away from OPC's and, if you're down South, go to somebody like Northway's (www.northway.co.uk) they really know the 993 including the TT. I've always had great service and really sound advice from them. In my opinion you'll get much better advice & value from an 'indy' than an OPC.
Good luck.
Regards
Anton
Good luck.
Regards
Anton
My new tt smoked on start up. Had it into Northway for a full service. They drain oil from the intercooler (yep, full) and catch tanks and obviously the oil filters were changed (apparently a failed filter can allow oil to run back through the system) and voila, no more smoke.
I wanted to get Northway to do the much talked about 996t non-return valve conversion, but they couldn't find who to get the modified lines from - there is precious little room so the valves themselves fit, but need a u-shaped connector on the lines. Any ideas anyone?
I wanted to get Northway to do the much talked about 996t non-return valve conversion, but they couldn't find who to get the modified lines from - there is precious little room so the valves themselves fit, but need a u-shaped connector on the lines. Any ideas anyone?
dparslow
New member
You are probably talking about these;
They are available from Powermarques 01724 784897, Nigel is the the man to talk to.
I replaced them on my 993tt earlier this year for the same reasons you mentioned. These cars do get a bit of oil in the induction pipes and intercooler, it`s nothing to get concerned over. I find after mine has been stood a while over the winter months and is not having long regular runs that is when the problem is at it`s worst.
Some more pics here;
http://picasaweb.google.com/marcosman46/PorschePictures?feat=directlink
They are available from Powermarques 01724 784897, Nigel is the the man to talk to.
I replaced them on my 993tt earlier this year for the same reasons you mentioned. These cars do get a bit of oil in the induction pipes and intercooler, it`s nothing to get concerned over. I find after mine has been stood a while over the winter months and is not having long regular runs that is when the problem is at it`s worst.
Some more pics here;
http://picasaweb.google.com/marcosman46/PorschePictures?feat=directlink
Very useful Dave, I gave Powermarques a call: the valves and lines are £300+VAT. Probably not a DIY (for me at least) so I'll wait until the car needs to go back to Northway for something else.
One thing to watch out for - those valves seal onto the body of the turbo whereas the factory lines are a flare-style fitting within the threaded bore. If your turbos are original the sealing surface may be too corroded to obtain a good seal.
And to answer the original poster's question - oil in the turbos can come from a number of sources including:
an overfilled oil tank
an overtightened oil filter
use of a Mahle instead of genuine Porsche filter
worn turbo seals
too thin an oil - 15/50 seems to get good results but isn't suitable for cool/cold weather
Any oil that does get into the intercooler can take quite some time to clear out.
A slight puff of oil at start-up is quite normal and generally nothing to do with the turbos, just some oil seeping past the rings. But loads of oil, enough for the army to want to use your car to hide tanks on the Salisbury plain, is a problem that needs sorting.
an overfilled oil tank
an overtightened oil filter
use of a Mahle instead of genuine Porsche filter
worn turbo seals
too thin an oil - 15/50 seems to get good results but isn't suitable for cool/cold weather
Any oil that does get into the intercooler can take quite some time to clear out.
A slight puff of oil at start-up is quite normal and generally nothing to do with the turbos, just some oil seeping past the rings. But loads of oil, enough for the army to want to use your car to hide tanks on the Salisbury plain, is a problem that needs sorting.
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