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dodge2000
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Joined: 25 Oct 2019
Posts: 2



PostPosted: Fri Oct 25, 2019 9:24 am    Post subject: IMS/Crank Case - not the usual question Reply with quote

Probably one for the Hartech team, but all contributions welcome......

M96 engine M96/0366309931. In my 2003 996 C2. Original engine, looking at the paperwork and dated as an 03 engine.

I should have the single row IMS in this.

My car is in with an Indie to fix the RMS, amongst other work, so was going to have the uprated LN type IMS done at the same time. The Indie, as you can imagine, has done quote a few of these.

Gearbox off, done the RMS, BUT........... the IMS can't be replaced, as the crank cases and IMS itself is the later M97 style IMS.

This is pretty odd. He's not seen it before, except in a replacement engine, so I am trying work out what might have gone on.

I have lots of paperwork, but nothing specific to a crank case/IMS swap.

The only paperwork that looks interesting, is an Invoice from Porsche Solihull for a customer contribution to an RMS in March 2007.

So, the question I have:

    Would Porsche have potentially swapped out crank cases/IMS during the RMS swap, if, when they pulled the gearbox they saw the leak was not RMS, but IMS seal.

    Has this type of thing been seen before (I'm thinking Hartech going through 1000 engines might have seen it if it was a practice by Porsche at the time)

    I am expecting people to say that it would have been a new engine job, but that would show up on the engine code, right?


     
      
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    Alex
    Le Mans
    Le Mans


    Joined: 06 Mar 2014
    Posts: 17056
    Location: The Ribble Valley, Lancashire

    2000 Porsche 996 Carrera 4

    PostPosted: Fri Oct 25, 2019 10:58 am    Post subject: Reply with quote

    Sounds like its had a rebuild previously.
    _________________
    2000 Manual 996 C4 Arctic Silver Convertible


     
      
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    dodge2000
    Newbie


    Joined: 25 Oct 2019
    Posts: 2



    PostPosted: Fri Oct 25, 2019 11:26 am    Post subject: Reply with quote

    Alex wrote:
    Sounds like its had a rebuild previously.


    would Porsche have done it on the quiet under the guise of doing the RMS? this is the only point in the history of the car (and it is extensive) where there is a hint this might have been done.
     
      
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    Alex
    Le Mans
    Le Mans


    Joined: 06 Mar 2014
    Posts: 17056
    Location: The Ribble Valley, Lancashire

    2000 Porsche 996 Carrera 4

    PostPosted: Fri Oct 25, 2019 11:28 am    Post subject: Reply with quote

    I very much doubt it.
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    2000 Manual 996 C4 Arctic Silver Convertible


     
      
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    Robertb
    Dijon


    Joined: 01 Sep 2003
    Posts: 7247
    Location: South Oxfordshire

    2002 Porsche 996 Carrera 4S

    PostPosted: Fri Oct 25, 2019 1:01 pm    Post subject: Reply with quote

    My old 4S had had a couple of RMSs fitted by OPC under warranty by a previous owner. Defo just seals, IIRC the latter one had a different part no so was a modified seal.

    I can't imagine them splitting the case to fit a modded bearing... Few specialists do the modded 997 upgrade. Hartech and Autofarm are the only I can think of.
    _________________
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    Current: 2003 C4S Coupe, seal/black

    Ex: '02 C4S Coupe, '96 993 Targa, '88 Carrera Sport Coupe
     
      
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    GMG
    Nürburgring


    Joined: 07 Jan 2018
    Posts: 441
    Location: Devon


    PostPosted: Fri Oct 25, 2019 1:01 pm    Post subject: Reply with quote

    ...Porsche fit a new engine for free because of a leaking IMS... Floor
     
      
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