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Old 03-04-2015, 02:42 PM   #1
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triptronic fluid change amount

Getting ready to order the stuff to do a filter and fluid change on the 04 boxster and wondered how much fluid everyone has actually been able to drain out and replace. I have read the capacity in several publications and also noted that all is not supposed to drain out with the trans in the car. Also see where some drain it, refill and then drain and refill again because all does not drain out. Is this really necessary? Have slightly less than 80,000 on it, but look forward to putting about 12K to 15K more miles on this summer so thought I would go ahead and get it done now.

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Old 03-04-2015, 03:57 PM   #2
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I don't remember how much fluid I used but it was in the upper reaches of the listed capacity. If you do this yourself, just be sure to re-check the level at the proper temperature after running it for a bit. I checked mine and added fluid 3 times afterwards to get the right level!
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Old 03-05-2015, 07:51 AM   #3
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I changed my Tiptronic fluid (and filter) on my 2001 S a few months ago and it took around 5 liters. You'll be changing just the stuff in the transmission body, 3-4 liters of the old fluid will remain in the converter.

I used Pentosin ATF-1.

I bought a 5 liter bottle on Amazon:

Amazon.com: Pentosin (ATF1-5L) SAE 75W Transmission Fluid - 5 Liter: Automotive

I wasn't sure that would be enough, so I picked up a 1 liter bottle at my local O'Reilly Auto Parts (it's returnable if you don't open it).

You have to check the level with the transmission warmed up and the temp between 90-100F. Took me 4 check-and-top-offs (shifting through all the gears each time) to get it properly topped off.

I used the 101 Projects book as a guide. I think the pan bolts on mine were a different size than those listed in the book (T27 ?). I would check that you have the right sockets before you start, and make sure you pull the fill plug (17mm hex I believe) before you drain it (just in case). After draining there will still be a good bit of fluid left in the pan (close to a liter) so keep the pan level as you drop it. I used the amount that I drained as a reference for the fill. I also changed my drain plug (and seal) and fill plug o-ring.
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Old 03-05-2015, 08:31 AM   #4
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Quote:
Originally Posted by BirdDog View Post
I changed my Tiptronic fluid (and filter) on my 2001 S a few months ago and it took around 5 liters. You'll be changing just the stuff in the transmission body, 3-4 liters of the old fluid will remain in the converter.

I used Pentosin ATF-1.

I bought a 5 liter bottle on Amazon:

Amazon.com: Pentosin (ATF1-5L) SAE 75W Transmission Fluid - 5 Liter: Automotive

I wasn't sure that would be enough, so I picked up a 1 liter bottle at my local O'Reilly Auto Parts (it's returnable if you don't open it).

You have to check the level with the transmission warmed up and the temp between 90-100F. Took me 4 check-and-top-offs (shifting through all the gears each time) to get it properly topped off.

I used the 101 Projects book as a guide. I think the pan bolts on mine were a different size than those listed in the book (T27 ?). I would check that you have the right sockets before you start, and make sure you pull the fill plug (17mm hex I believe) before you drain it (just in case). After draining there will still be a good bit of fluid left in the pan (close to a liter) so keep the pan level as you drop it. I used the amount that I drained as a reference for the fill. I also changed my drain plug (and seal) and fill plug o-ring.
Thanks I have found a deal for the filter, gasket, plug, seal and 10 quarts of pentosin that I will go ahead and order. My C 4 is also tiptronic and will need a change in the future and whatever I have left over can go toward that and if the fluid looks pretty bad I may do the double fill and drain to get more of the old out.
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Old 03-05-2015, 02:05 PM   #5
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You'll find an infra-red thermometer very useful.

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