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Getrag 245 Leak


2double02

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Hello,

 

I recently had a Getrag 245 installed in my 2002 by my good friend and German specialty mechanic here in NC. The conversion looks and performs very well but there is a leak at the output shaft seal.  He has replaced the seal twice with Elring products but the leak remains.  It is worse after a drive but the drip continues after it has cooled off as well.  

 

We are baffled by the leak and I am wondering if anyone has had a similar experience.  Could the fill level be too high (refilled with Redline MTL)?  Would there be any appreciable difference between Elring and BMW OE?  Is there anything unique about installing these seals?

 

Thanks for your advice.

 

Brad 

1960 Austin Healey Sprite | 1974 Ford Bronco | 1988 Porsche 911 | 1994 Toyota Land Cruiser | 2022 Ford Bronco Badlands on Order | In Search of a BMW 2002 

 

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I sealed the threads on the bolt holding the shift platform mount drivers side because it was open to the case innards.  Back end is dry now.

A radiator shop is a good place to take a leak.

 

I have no idea what I'm doing but I know I'm really good at it.

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there are two different inside diameter seals and its possible you have the larger and need the smaller.  The smaller one is 38mm and you can find threads with part numbers on this with a careful search.  I believe the smaller one is 23121204209.  Here is a link:  http://www.autohausaz.com/search/product.aspx?sid=k4etqt3yj3ig5l55fcu3wujt&makeid=800003@BMW&modelid=1010732@2002&year=1972&cid=33@Transmission/Transaxle%20System&gid=10066@Manual%20Trans%20Output%20Shaft%20Seal

 

I recently bought this seal after my new 5 speed was leaking.

Dave
72 2002

golf yellow
 

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there are two different inside diameter seals and its possible you have the larger and need the smaller.  The smaller one is 38mm and you can find threads with part numbers on this with a careful search.  I believe the smaller one is 23121204209.  Here is a link:  http://www.autohausaz.com/search/product.aspx?sid=k4etqt3yj3ig5l55fcu3wujt&makeid=800003@BMW&modelid=1010732@2002&year=1972&cid=33@Transmission/Transaxle%20System&gid=10066@Manual%20Trans%20Output%20Shaft%20Seal

 

I recently bought this seal after my new 5 speed was leaking.

 

You sure about that?? And you have a getrag 245 3 pc??  23121204209 is 38X55X10  and the output seal on a 245 is 40X55X8

 

But Im here to learn  i dont know it all

Edited by BLUNT

www.BluntTech.com
FAQ Supporting Vendor
 Sales@BluntTech.com

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I did not replace the selector shaft seal but have ordered one.  Leak seems to be from output shaft seal but I guess it could be dripping down from selector rod.  Will check later this week.

 

Thanks for the continued advice. 

1960 Austin Healey Sprite | 1974 Ford Bronco | 1988 Porsche 911 | 1994 Toyota Land Cruiser | 2022 Ford Bronco Badlands on Order | In Search of a BMW 2002 

 

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not an expert, just taking what someone told me and passing it on... (i was told) if the vent is blocked changing seals might not solve it.

 

side note: I changed my selector seal and output seal about 2 months ago, the garage floor has been dry since. I was leaking from both spots.

Edited by MildSeven

picked up what i thought was a sound Verona Red '76

 

The Refresh Blog: http://www.bmw2002faq.com/blog/155-76-verona-red-refresh/

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You sure about that?? And you have a getrag 245 3 pc??  23121204209 is 38X55X10  and the output seal on a 245 is 40X55X8

 

But Im here to learn  i dont know it all

 

I am fairly certain.  My trans is 3 pieces and looks just like my 4 speed with an extra section added to the back.  I believe the difference is in the OD of the output flanges.  I am running the same 4bolt flange as my four speed so it would make sense that the seal should be the same as the four speed.  Here is a link to the thread where I found someone else had the issue and they gave the part numbers for both seals:

http://www.bmw2002faq.com/topic/4078-looking-for-transmission-rear-seal-part-number/?hl=transmission+seal+part+number#entry906931

 

or if the link doesn't work search for topic: 

Looking for transmission rear seal part number

Edited by Dave D

Dave
72 2002

golf yellow
 

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Looking for transmission rear seal part number

 

This is what I ordered:

 

Transmission Rear (output) Seal - Part # : 23 12 1 205 340

 

+ if needed:

Shift Linkage Seal - Part # : 23 12 1 228 443

Edited by MildSeven

picked up what i thought was a sound Verona Red '76

 

The Refresh Blog: http://www.bmw2002faq.com/blog/155-76-verona-red-refresh/

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