Have your 993TT turbochargers failed? - Page 2 - Rennlist - Porsche Discussion Forums



Have your 993TT turbochargers failed?

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Old 01-13-2006, 01:04 PM   #16
Kevin
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Your turbine side sealing ring has not seated. You cannot just rebuild K16's or K24's and expect them to work out of the box. Installing a overhaul kit will not address issues that exist. If things aren't corrected you will do the install over and over with failed results..

The shaft is going blue do to hot shutdowns or not enough time spent at idle to cool the turbine assy down.. If you have oil starvation and high temperatures you will have bearing transfer.. Brass will transfer to the shaft.. Email me or PM me if you have other questions.
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Old 01-17-2006, 10:08 AM   #17
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If the shop doing my service uses the Porsche service kit that includes filters etc, will that contain Porsche filters or can these service kits also contain Mahle filters?
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Old 01-17-2006, 12:27 PM   #18
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You can't assume anything. You have to ask and check them yourself..
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Old 08-29-2006, 12:59 PM   #19
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Quote:
Originally Posted by Kevin
Mahle filters are very good, on a 965 or on your 930, that is the filter of choice
And on a 996 Gt2...?
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Old 08-29-2006, 01:07 PM   #20
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Go ahead and use them for your GT2.. It is a cartridge filter on your car.
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Old 08-29-2006, 01:56 PM   #21
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Quote:
Originally Posted by Kevin
Go ahead and use them for your GT2.. It is a cartridge filter on your car.

Thanks Kevin...

Do you know the right part nr..from mahle..?
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Old 08-29-2006, 06:44 PM   #22
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Very good post Kevin!
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Old 09-21-2006, 04:44 PM   #23
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Kevin,

Very painful, important info for 993 turbo owners. I personally have sufferered through this thinking I had mis-handled my car. The symptoms you describe are perfect to the 'T'. Only thing I can say to anyone else is be aware of the symptoms and get your car off the road ASAP. The wrong filter actually happened twice from the same OEM dealer.... they have been around for many years as well. When it happened the secong time, I knew something wasn't right. Found your site after the other OEM dealer told me filter was wrong again. First time was not so lucky.

stupid
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Old 09-21-2006, 06:59 PM   #24
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I'm throwing this "thread" for the chronic leakers/smokers...

I have been the cause of "poor installation" of new Porsche filters.. Usually the 2nd one cures the problem.

https://rennlist.com/forums/993-turbo-forum/289060-ultimate-motorwerks-turbocharger-check-valve-kit.html
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Old 10-19-2006, 06:17 PM   #25
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I'm pretty new to this forum. Thanks for all the advice.
Just wanted to add, the main dealer here in Germany advised me to change my Turbos. I had them inspected at work and found the colour of the compressor wheel to be fine,with no residual oil left.
However on both sides I found the bearing housing cracked. This left me very dissappointed because my car has only covered under 50,000 miles.
Instead of ordering the rebuild kit I've ordered two new K16s. Because I work with 3K/B/W I was able to get the Turbos quite cheaply (1300 euros each!). I'll probably get the original Turbos rebuilt and sell them on....[I can't believe that K24s are alot cheaper than K16s and that 996 K16s are again cheaper than 993 K16s!- weird German logic I suppose!]
It's a shame because I just replaced one of the wastegate actuator membrane boxes (The old one got rusty) last month and then realised I got two new ones with the new Turbos. The Wastegate actuator boxes cost about 700 euros each!
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Old 04-18-2007, 09:44 AM   #26
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great info for all concerned,

Thanks
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Old 05-06-2007, 11:02 AM   #27
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Hey Kevin.

What of this might be useful for the 964t crowd. I am going to be installing a Hyflow soon as well as an oil change. Might as well get it right if the check valve, etc would help. I do get the smoke clout at start up after long periods of inactivity.

RT
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Old 10-29-2007, 10:25 AM   #28
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my first posting on here hi every one !,
got exactly the same problem on my 96 993tt this has cheered me right up hopefully everything crossed i wont need new ones! am going to drain oil (5/60 millers any one got any thoughts on that as a preference) fit two genuine porker oil filters drain turbo sumps and fit those revised oil feeds hope that cures it,
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Old 12-21-2007, 11:00 PM   #29
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Do you now if the Borg Warner turbo chargers are factory OEM?

Thanks, Eddy
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Old 01-02-2008, 09:20 AM   #30
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Quote:
Originally Posted by Eddy 993TT View Post
Do you now if the Borg Warner turbo chargers are factory OEM?

Thanks, Eddy
KKK, maker of the 993tt's turbos, is owned by BW.
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