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Gearbox and front diff Carrera 4

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thirteeneast
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thirteeneast PCGB Member
2019/04/24 08:16:05 (permalink)

Gearbox and front diff Carrera 4

Hello,
 
   I need to change my Tip transmission fluid on my mk1  2001 Carrera 4 (LT 71141 oil)
About 6.6 liters if I'm not mistaken?
However at the same time id like to get the front diff done too is this the same oil (LT 71141)
And how much does the front diff hold?
Many thanks
Regards

9 Replies Related Threads

    Richard_Hamilton
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    Re: Gearbox and front diff Carrera 4 2019/04/24 09:34:14 (permalink)
    The ATF capacity for a A96.00 C4 gearbox is 9 litres, but the change quantity is quoted as 4.0 litres.  It is a job to drain much more than that.
     
    The front differential uses 75W-90 gear oil, not ATF.  Mobilube PTX or Shell Transaxle.  1.5 litres.

    Richard
    1989 3.2 Carrera Sport in Guards Red/Linen & Audi RSQ3
    Previous:
    2012 Cayman 2.9 PDK, 2006 Cayman S, 2000 996 Turbo, 1998 996 C2, 1994 993 C2
    thirteeneast
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    Re: Gearbox and front diff Carrera 4 2019/04/25 06:49:30 (permalink)
    Thanks Richard, quick reply as always.
     
    So five liters for the gearbox should do including the filter.
    Do you know whether it's recommended to change the pan bolts?
     
    Regards
     
    Richard.
    post edited by thirteeneast - 2019/04/25 10:27:48
    Richard_Hamilton
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    Re: Gearbox and front diff Carrera 4 2019/04/25 13:54:38 (permalink)
    That should be plenty for an ATF change.  No need for new bolts, but here are the instructions for changing the filter:

    Richard
    1989 3.2 Carrera Sport in Guards Red/Linen & Audi RSQ3
    Previous:
    2012 Cayman 2.9 PDK, 2006 Cayman S, 2000 996 Turbo, 1998 996 C2, 1994 993 C2
    thirteeneast
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    Re: Gearbox and front diff Carrera 4 2019/04/25 14:13:00 (permalink)
    Thank you
    thirteeneast
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    thirteeneast PCGB Member
    Re: Gearbox and front diff Carrera 4 2019/04/26 09:06:16 (permalink)
    Sorry Richard another question if I may,
    As I won't get all the fluid out is it ok to use Mobil ATF LT 71141 thus mixing
     
    Or should I really use OEM oil as I think it's original?
     
    Regards
     
    Richard.
    post edited by thirteeneast - 2019/04/26 09:12:00
    Richard_Hamilton
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    Re: Gearbox and front diff Carrera 4 2019/04/27 09:57:15 (permalink)
    The original fill will have been Mobil ATF LT 71141 or Pentosin ATF-1, which are miscible.  Here is a page from my book which shows the spec and capacities for all models.

    Richard
    1989 3.2 Carrera Sport in Guards Red/Linen & Audi RSQ3
    Previous:
    2012 Cayman 2.9 PDK, 2006 Cayman S, 2000 996 Turbo, 1998 996 C2, 1994 993 C2
    thirteeneast
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    thirteeneast PCGB Member
    Re: Gearbox and front diff Carrera 4 2019/04/27 10:26:58 (permalink)
    Shame on me, I normally go to your book as my first port of call I always recommend it to anyone I know with a 996.
    Totally slipped my mind to look.
    Thanks Richard.
    Have a good weekend.
    Motorhead
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    Motorhead PCGB Member
    Re: Gearbox and front diff Carrera 4 2019/04/27 10:43:48 (permalink)
    Changing the Tiptronic fluid is no simple task Richard, requiring running the car on a lift or on stands and measuring the oil/sump temperature too:
     
    https://www.pelicanparts.com/techarticles/Porsche-996-997-Carrera/35-TRANS-Replacing_Your_Automatic_Transmission_Fluid/35-TRANS-Replacing_Your_Automatic_Transmission_Fluid.htm
     
    I hope you're well prepared and good luck!
     
    Jeff

    987.2 Cayman S
    North Beds (R10 & R24)
    thirteeneast
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    Re: Gearbox and front diff Carrera 4 2019/04/27 16:53:59 (permalink)
    Motorhead
    Changing the Tiptronic fluid is no simple task Richard, requiring running the car on a lift or on stands and measuring the oil/sump temperature too:
     
    https://www.pelicanparts.com/techarticles/Porsche-996-997-Carrera/35-TRANS-Replacing_Your_Automatic_Transmission_Fluid/35-TRANS-Replacing_Your_Automatic_Transmission_Fluid.htm
     
    I hope you're well prepared and good luck!
     
    Jeff


    Lol, is anything ever easy on a Porsche.
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