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Tiptronic Fluid Level

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minny
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minny PCGB Member
2008/04/24 15:58:55 (permalink)

Tiptronic Fluid Level

The tiptronic sump on my '99 Carrera Tip is slightly damp and this was noted a while back in '96 at a major service. There are no drips on the ground and the gearbox is shifting perfectly. At the last major service at the OPC in January 2008, they didn't say anything. My car has 64k miles and I plan to change the fluid and filter soon (but not just yet) just to keep everything sweet and hopefully stop the leak from the gasket area. How do i know that the level is not too low or will the box go into limp mode? If the level is slightly low, its it causing damage?

6 Replies Related Threads

    Richard_Hamilton
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    Richard_Hamilton PCGB Member
    RE: Tiptronic Fluid Level 2008/04/24 19:32:52 (permalink)
    To check the level of the tiptronic fluid you have to get the transmission up to temperature, and get the car up in the air with the engine running.  You then have to undo the filler plug on the bottom of the transmission, which reveals a tube going up into the gearbox that acts as a level weir.  You then fill the transmission until it flows over the weir and back out the drain hole.  It's a messy business.
     
    If the level gets very low you will get clunky changes, and eventually lose drive - and it will damage the internals.  You aren't due to change the fluid until 96,000, but it wouldn't do any harm to do it early.  I changed mine at 80,000 and it was as black as your hat when the old stuff came out.  Make sure you use the correct fluid (see the Approved Oils list in the Technical Articles section).  Mine was like yours, with a film of oil over the sump.  I changed the gasket and it seems to have sorted it out.
     
    There's a good DIY on renntech.org.

    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
    minny
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    minny PCGB Member
    RE: Tiptronic Fluid Level 2008/04/24 20:28:05 (permalink)
    thanks richard... i have the instructions from renntech and am planning to do it myself which is why it may take a month or 2 before i get round to it and just wanted to make sure i'm not doing too much damage to the box... mine is just slightly jerky when cold but smooth with no slipping when warm... there are no major leaks and it is like yours with a thin film on the sump... i've done my research about the long life specific atf required by zf and wouldn't use any old stuff considering the amount of work to change it is required...
    Edwill997
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    Edwill997 PCGB Member
    Re: RE: Tiptronic Fluid Level 2019/06/28 07:33:19 (permalink)
    Hi both. How did you get on? I checked my level last night on my 997.1 3.8 tip. Got up to temp etc but had issues getting a pipe into the top filler hole to add oil. Pipe didn't want to go in. I used a small pipe and a pump on my oil can. I think oil went in but alot came back down my filler pipe. I was using the upper hole for filling on my sump as it's the newer sump. I did follow instructions from pelican but can be confusing as one part of the article fills from the bottom of sump. (Mine also had a small leak as to why I wanted to check level.) It felt like there was a restriction behind the filler hole. 🤔
    Richard_Hamilton
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    Richard_Hamilton PCGB Member
    Re: RE: Tiptronic Fluid Level 2019/06/29 09:47:51 (permalink)
    Another great thread resurrection!  Min and I were referring to our 3.4 996's, which have a ZF Tiptronic transmission.  3.6 996's (and I believe 997.1s) use a Mercedes Benz transmission, so the filling point is different.

    You might get some answers on the 997 forum, but the level checking process isn't straightforward.  There is a specific procedure which you need to follow.  You also need to have a diagnostic tester to measure the fluid temperature, have it up on ramps with the engine idling, and you fill it through the drain plug hole with a charging device.  If you want the instructions from the workshop manual, drop me a PM with your email address.

    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
    Edwill997
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    Edwill997 PCGB Member
    Re: RE: Tiptronic Fluid Level 2019/06/29 10:17:05 (permalink)
    Thanks Richard for the reply. I did try it on the 997 forum but to no avail. I followed the pelican parts instructions but I think it does need a special adapter for the fill hole  as my pipe didn't want to go into it. Got the temp up put it through gears etc and topped up but still not happy I've done it right. Paranoid these cars make you haha... I'll dm you for the instructions from the manual. Thankyou..  ed. 
    Richard_Hamilton
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    Richard_Hamilton PCGB Member
    Re: RE: Tiptronic Fluid Level 2019/06/29 12:54:03 (permalink)
    The point about the temperature is that it must not get above 40°C, which happens quite quickly from a cold startup.  Thanks for the PM, but I needed your email address.

    I'll post the instructions here, but any 996.2 owners need to know they are for the 997.1.

    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
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