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Repairing my PDK Gearbox Experience & Guide

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Old 06-25-2021, 09:37 PM
  #31  
Kuro Neko
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Originally Posted by fraazz
You can buy the sealing caps from Porsche.
For the 987 / 981, the caps are 9G1-321-360-00 and 9G1-321-361-00 - different for each shaft?
Can anyone confirm?

They are not listed in my 987 parts diagram, but appear to be listed in the 981 diagram?

Thanks (says the Cayman S PDK in bits at the moment).
Old 06-25-2021, 10:36 PM
  #32  
PV997
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Originally Posted by Kuro Neko
For the 987 / 981, the caps are 9G1-321-360-00 and 9G1-321-361-00 - different for each shaft?
Can anyone confirm?

They are not listed in my 987 parts diagram, but appear to be listed in the 981 diagram?

Thanks (says the Cayman S PDK in bits at the moment).
Don't have a 987 but my 997.2 Katalog says they are the same part (9G1-321-360-00), see items 3 and 4 below. For some reason it says the quantity for item 3 is two and item 4 is one. If it's an AWD PDK (997/991) then there is no cap on #4 so that may cause some confusion.

If you search Sunset Porsche Parts it says there is no "361" part but it does come up with the "360" part. Where did you get the 361 number?

https://www.sunsetporscheparts.com/s...9G1-321-361-00




Old 06-25-2021, 11:33 PM
  #33  
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Originally Posted by PV997
Where did you get the 361 number?
Thanks for the 997-focused comment as it appears likely the same PN for the 987 too.
As to where, I had thought a 981 PN list, but checking it looks like it is a 982 from here:



So, for 987/997 your listing appears correct!
Old 06-26-2021, 04:35 AM
  #34  
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Originally Posted by PV997
….
If anyone else is doing this please try and get the part numbers off the two bearings in the end case after separation. They are replaceable and I'd like to add the info to the PDK sticky.
this is from a 4s pdk







Old 06-26-2021, 11:45 AM
  #35  
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Originally Posted by amet
this is from a 4s pdk
Thanks amet. The first one says NSK 30TM07U2 but I can't find a specific bearing by that number. It's a single row deep-groove type and looks like the OD is 80mm, same as the second bearing. Can you measure the ID and thickness? They look different from the second bearing in the photo.

The second one is NSK TM208U40AL and it's single row deep-groove type sized 40mm x 80mm x 18mm. I think this link is a Chinese copy but it has good info:

https://www.tradebearings.com/tm208u...ct-217244.html

Edit: Link is for reference only, I would not recommend putting Chinese copy bearings in your transmission (or anything else for that matter)!

Last edited by PV997; 06-26-2021 at 11:57 AM.
Old 06-26-2021, 12:06 PM
  #36  
amet
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Originally Posted by PV997
Thanks amet. The first one says NSK 30TM07U2 but I can't find a specific bearing by that number. It's a single row deep-groove type and looks like the OD is 80mm, same as the second bearing. Can you measure the ID and thickness? They look different from the second bearing in the photo.

The second one is NSK TM208U40AL and it's single row deep-groove type sized 40mm x 80mm x 18mm. I think this link is a Chinese copy but it has good info:

https://www.tradebearings.com/tm208u...ct-217244.html
looking at the Russian site,NSK 30TM07U2 is 35Х80Х20 ... pelican has this? -> https://www.pelicanparts.com/More_In...-1-224-806-BOE

I'll check the thickness and ID next time I am there... remember, this is for 4S and this shaft goes through for the front wheel drive. 2S and cayman/boxster might have a different one, I'll check that as well.

edit: I wonder if the colour of the bearing cover is important to deal with the gear oil

Last edited by amet; 06-26-2021 at 12:08 PM.
Old 06-27-2021, 12:17 PM
  #37  
Chris M.
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Originally Posted by t-design
Yes, you are absolutely correct - the dealers answer to failed sensor is full PDK replacement. We invested in this project knowing that people out of warranty would want other option than full gearbox replacement at $20k
But nothing for the Macan? There are a LOT of Macans out there...
Old 06-30-2021, 07:03 AM
  #38  
Damien Law
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Originally Posted by Chris M.
But nothing for the Macan? There are a LOT of Macans out there...
Macan's so called "PDK" is not really a Porsche PDK. It uses Audi's famous(for failing) DL501 0B5 DSG that can be found in most Audi A4, A5 B8 and more.
Porsche took Audi's 0B5 additionally optimized & revised the control module to the best possible configuration thus, highly responsive and much more reliable. They dont fail as often as Audi's but they do fail at some point, I have fixed a few Macans.

First version of 0B5s are trash
Second version is much better
Porsche's version is the best

If you know 0B5 well enough, any faulty displacement or pressure sensor will just require to replace the whole control module

Last edited by Damien Law; 06-30-2021 at 07:06 AM. Reason: forgot to explain why
Old 06-30-2021, 10:08 AM
  #39  
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Originally Posted by Damien Law
Macan's so called "PDK" is not really a Porsche PDK. It uses Audi's famous(for failing) DL501 0B5 DSG that can be found in most Audi A4, A5 B8 and more.
Porsche took Audi's 0B5 additionally optimized & revised the control module to the best possible configuration thus, highly responsive and much more reliable. They dont fail as often as Audi's but they do fail at some point, I have fixed a few Macans.

First version of 0B5s are trash
Second version is much better
Porsche's version is the best

If you know 0B5 well enough, any faulty displacement or pressure sensor will just require to replace the whole control module
Thanks for the info. Where are you located and how much does the control module PDK fix run on a Macan S?
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Old 06-30-2021, 12:35 PM
  #40  
Damien Law
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Originally Posted by Chris M.
Thanks for the info. Where are you located and how much does the control module PDK fix run on a Macan S?
Conversion from MYR to USD is about between 1000 usd to 1800 usd depending on what is broken
Old 07-03-2021, 07:07 PM
  #41  
Niklas Vemdal
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Default Tool for nut on shaft?

Hi
What tool did you use for step Sixth and the nut?

I believed it was a KM7 but it’s not.

Niklas
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Old 07-06-2021, 12:51 AM
  #42  
Damien Law
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Originally Posted by Niklas Vemdal
Hi
What tool did you use for step Sixth and the nut?

I believed it was a KM7 but it’s not.

Niklas
Good question.
Frankly, we do not even have the standard tool to open this specialty nut/km(step6).
We just fabricate the tool according to its size/measurement. Will upload a pic soon
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Old 07-16-2021, 08:39 PM
  #43  
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Default Gearbox cover won't come out, moves by 1/8" only

Damien Law, my mechanic got my 2011 Cayman S PDK out, built a custom tool like you suggested in seventh step but the gearbox cover will only come out by 1/8". All the screws have been removed, including the bolt perpendicular to the other ones, and the bolt from the top cap side. The snap ring from the bottom cap side was also unclipped. He is afraid to break the case if he screws the two screws more. Any idea what could be wrong?

Last edited by jbolduc27; 07-16-2021 at 08:52 PM.
Old 07-16-2021, 11:32 PM
  #44  
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Originally Posted by jbolduc27
Damien Law, my mechanic got my 2011 Cayman S PDK out, built a custom tool like you suggested in seventh step but the gearbox cover will only come out by 1/8". All the screws have been removed, including the bolt perpendicular to the other ones, and the bolt from the top cap side. The snap ring from the bottom cap side was also unclipped. He is afraid to break the case if he screws the two screws more. Any idea what could be wrong?
Not Damien and hopefully he'll chime in but did you remove the specialty nut in step 6 that Damien and Niklas Vendal are discussing in the comments right above your comment? I think it's on the threaded section of the mainshaft (lower cap) and may be different between the 2WD and AWD. It would be nice to get some clarification on this. This is not the exact same part but it's something along these lines.


Last edited by PV997; 07-16-2021 at 11:42 PM.
Old 07-17-2021, 03:31 AM
  #45  
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Originally Posted by jbolduc27
Damien Law, my mechanic got my 2011 Cayman S PDK out, built a custom tool like you suggested in seventh step but the gearbox cover will only come out by 1/8". All the screws have been removed, including the bolt perpendicular to the other ones, and the bolt from the top cap side. The snap ring from the bottom cap side was also unclipped. He is afraid to break the case if he screws the two screws more. Any idea what could be wrong?
maybe a picture so we can see what you are working with?

have 2 shafts started moving inside the bearings? Is there any dirt on the part of the shaft that was sticking out? That could prevent it from going through the bearing.


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