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Which ATF Fluid?

 
Old 01-03-2013, 06:28 AM
  #31  
sjfehr
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Originally Posted by Audi Junkie View Post
A 2002 at 45k, I'll do it this summer. Does anyone have the filter change procedure? I'll look for an easy place to do a complete flush when I get in there. MaxLife it will be.

The ATF is an important choice, unlike mundane fluid choices such as coolant or washer fluid.
There's a really good how-to at Pelican Parts.
http://www.pelicanparts.com/techarti...uid_Change.htm

It meshes perfectly with the Boxster service manual leaked online and is more detailed than the procedure in the Bentley guide. You need to remove the steel bracing from beneath the transmission, and then a half million pan screws; the filter itself is held on by 2 screws and trivial to change. You'll need a 17mm driver to get the fill screw out and the pan screws take an odd-size (slightly larger than most on the car) torx bit. You'll need a new filter, pan gasket and rubber o-ring for the fill screw as well as 3.5qts of ATF. I was worried the chassis would flex with the bracing removed and I'd have to get fancy with a jack, but it went back together with just hand pressure. You could possibly work around the sway bar, but it's super-easy to unbolt and get completely out of your way.

My ATF temp was about 35C when I checked it, btw.
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Old 01-03-2013, 01:54 PM
  #32  
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Cool, I want new sway bushing anyway. There's an interchange for the $30 urethane ones at Advance Auto.

I just got an ultra-gauge for my Tiguan, I wonder if it will report AT temp on the Porsche?

http://ultra-gauge.com awesome unit.

I'll come back later.
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Old 01-03-2013, 03:21 PM
  #33  
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Originally Posted by mgerber View Post
Thanks guys. Our Boxster has 10K miles and is an '07. It pretty much comes out on sunny days for PCA drives. I was debating on changing the Tip fluid during the "put it away for the winter" oil change last November, but was talked out of it. Like Macster we (aka my wife) wants to keep this one forever as she loves it, so I did not feel good about being talked out of this service. I will get it done in the Spring when the car comes out of hibernation.
An automatic transmission fluid change for a 2007 with just 10K miles on the odo is a bit premature.

I can certainly understand your desire to do what you can within reason with the idea of extending the Tip's service life but, well, as I mentioned above, in this case the service is premature.

If you really want the fluid changed though, be aware that one way to deal with someone trying to talk you out of the service and not having any real good reason (though he may be trying to prevent you from in this case throwing money away which ain't a bad reason to talk you out of the service) is to listen and then say thanks for the info but I have thought it over and want the service performed.

You are paying for this so it is not like you are asking for a freebie. If you still get push back then ask the person if you can't get the car serviced the way you want it here where would he recommend you take the car for service?

This works pretty good when you have a lot of choices such as I have where I live. If you only have one Porsche dealer in town and none close by...be careful about issuing an ultimatum.

Forgot to mention the car/Tip will be ok but next year before you put it away if you want at the same time the oil/filter is changed have the Tip fluid/filter service done that would be a good time. If you haven't had it done have the brakes flushed/bled too.

Try to avoid driving the car straight home and tucking it away for the winter.

After any service I like to drive the car some just to make sure all is well. It is always best to discover there's a problem -- but I do not expect there will be a problem -- as soon after the service as possible rather than several months after.

Last edited by Macster; 01-03-2013 at 03:44 PM.
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Old 01-04-2013, 07:53 PM
  #34  
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Thanks Macster. This helps. The "don't do it yet" came from my local dealership's SA who I have a great relationship with (and is a very capable guy). So between the two of you I will listen and hold off. His recommendation was to do it at the 10 year mark if it made me feel better ( assuming we put miles on the car at the same rate). He also knows I tend to service my cars more often than necessary and in this case he really pushed back on this as "absolutely unnecessary at this point".
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Old 01-04-2013, 09:13 PM
  #35  
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Update: Leveled my car (with an actual level) in my garage on various thickness of scrap lumber and repeated the ATF level check procedure. Added about a half liter until it started drizzling out the hole, then had my wife start the car in Park, and I pumped every last bit I could out of the bottle. Was way easier on the lift when I could hold the bottle upright... The transmission was still relatively cool (33C) when I finished , and I think I got about 3.6-3.7L into the transmission, all-told. Hope it was enough; I ran out of fluid before it started drizzling out while idling.

Shifts are a LOT smoother now. Still shifts a tad rougher than silky smooth, but I don't think it's really any rougher than it was 5 years ago. I did have a single odd moment after braking heavy, then turning sharply while accelerating where the car shuddered a bit, almost like ABS but in the drivetrain during acceleration that really worries me. No grinding sounds or anything like that, but it felt like a bad shift. I tried to replicate it, but couldn't. I'm hoping it was just PSM reacting to gravel or something, though it didn't feel like it and I didn't see the PSM light blinking.
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Old 01-05-2013, 10:09 AM
  #36  
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Default As i said before - ZF suggests 50k. Then again, i would think 5+ years

... is another good interval. You do want to perform the service, it not lifetime. But 10k is very low. My point is to trade off the miles with the years.

Grant

Originally Posted by mgerber View Post
Thanks Macster. This helps. The "don't do it yet" came from my local dealership's SA who I have a great relationship with (and is a very capable guy). So between the two of you I will listen and hold off. His recommendation was to do it at the 10 year mark if it made me feel better ( assuming we put miles on the car at the same rate). He also knows I tend to service my cars more often than necessary and in this case he really pushed back on this as "absolutely unnecessary at this point".
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Old 01-17-2013, 03:02 AM
  #37  
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Castrol USA fluid selector recommends their Hi-Miles ATF as well as Import Multivehicle.

http://www.castrol.com/castrol/LubesSelector.do


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Old 03-05-2017, 05:37 PM
  #38  
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Originally Posted by sjfehr View Post
Wayne @ Pelican Parts wrote "The Porsche part number for the transmission fluid is 999-917-545-00, but is almost $35 a liter. The Boxster also can use off-the-shelf Esso LT 71141, or Pentosin ATF-1, both available along with gasket/filter kits from PelicanParts.com. I would avoid using any other type of fluid in your transmission. Also, use the same fluid for the entire replacement process - mixing and matching different types of transmission fluid can cause your transmission to fail."

What I don't get is why Wayne says to use ATF-1 or LT 71141 for the entire replacement process, but then cautions against mixing different ATFs; without dropping the transmission and draining every drop, you're never going to get all the old stuff out; he suggests on the forums that changing fluid 3x will get it all out, but mathematically, 3 changes is still 80% new/20% original. Pelican Parts only sells these alternate fluids, not the Porsche part# stuff, and seems pretty clear most people use them without issue, but I was hoping to confirm because last thing I need is to gel ATF or whatever the potential adverse mixing reactions are. Honestly, I don't even know how I'd go about finding out what fluid Porsche originally put in. I ordered the filter kit & pump from Pelican and am tentatively planning on using Pentosin ATF-1, which is available at my local O'Reillys.
Years later, im courious how it turned out for you. Just changed my 2005 BMW 530i's transmission fluid for its first time. Used ZF Lifeguard 6; however, came up short. Thinking about topping off with the Pentosin ATF-1.
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Old 11-13-2018, 01:39 AM
  #39  
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Originally Posted by sjfehr View Post
Mobil1 ATF is a Mercon/Dexron ATF, and completely the wrong stuff. Pentosin ATF-1 and Esso LT 71141 are reportedly both the exact same ATF manufactured by Pentosin (which is owned by Esso) and sold under two different names. Comparing online data, though, the numbers are very similar but not exact. Could be variation during testing, or could be different formulations. I've seen at least one person state Porsche uses Esso LT 71141 for OEM tip fills, but (no offense), but random people on the internet are often wrong. LT 71141 itself is already a super-exclusive name brand ATF that people try to substitute with something cheaper.

The 986 parts manual calls out 000-043-205-09 (transmission oil ATF 20 LTR. container) and 999-917-545-00 (transmission oil HYPOID 1 LTR container) for tiptronic transmissions. I've found multiple vendors stating the part# for 000-043-205-09 has changed to 000-043-207-00, which is the Porsche part# generally listed for both Pentosin ATF-1 and Pentosin LT 71141.

Edit: Found Porsche's official TSB over at RennTech stating that these both are, indeed, approved fluids and are approved to be mixed with the factory fill!
so is it safe to use Pentosin ATF-1 on my 2003 boxster base tiptronic?

found one on amazon:
Amazon Amazon
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Old 11-14-2018, 11:17 AM
  #40  
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Originally Posted by pigsypo View Post
so is it safe to use Pentosin ATF-1 on my 2003 boxster base tiptronic?

found one on amazon: https://www.amazon.com/CRP-Automotiv...ct_top?ie=UTF8
My advice is to visit your local Porsche dealer parts department and with your car's VIN ask what Tip ATF you should use and get that and use it. This is the fluid Porsche has tested with, this is the fluid with which Porsche has the experience with, the feedback via problem reports, warranty claims, etc., to know how transmissions fare with this fluid.

Why risk a very expensive piece of hardware -- the Tip -- by using some fluid other than what Porsche says to use?
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Old 11-14-2018, 02:41 PM
  #41  
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Originally Posted by Macster View Post
My advice is to visit your local Porsche dealer parts department and with your car's VIN ask what Tip ATF you should use and get that and use it. This is the fluid Porsche has tested with, this is the fluid with which Porsche has the experience with, the feedback via problem reports, warranty claims, etc., to know how transmissions fare with this fluid.

Why risk a very expensive piece of hardware -- the Tip -- by using some fluid other than what Porsche says to use?
Thanks for your opinion. i thought Pentosin ATF-1 was one of the Porsche approved Tiptronic fluid? Porsche doesnít produce the fluid and I was told the bottle is just rebranded with Porsche logo. Alldata shows the part number 99991707700 which I donít know where to purchase it here in California.

yes I did consulte with the dealer and 000-043-305-49 was recommended. But thatís for manual transmission?? Very confusing...
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Old 11-14-2018, 06:33 PM
  #42  
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Originally Posted by pigsypo View Post


Thanks for your opinion. i thought Pentosin ATF-1 was one of the Porsche approved Tiptronic fluid? Porsche doesnít produce the fluid and I was told the bottle is just rebranded with Porsche logo. Alldata shows the part number 99991707700 which I donít know where to purchase it here in California.

yes I did consulte with the dealer and 000-043-305-49 was recommended. But thatís for manual transmission?? Very confusing...
I checked my approved oils documents and I don't appear to have one for the Boxster transmissions. I have one that covers the Turbo (and GT2) manual and Tip transmissions but the Turbo Tip is not the same transmission as the Boxster Tip. (The Turbo TIP fluid is a Fuchs fluid or a Shell fluid.)

If you got a recommendation to use a manual transmission fluid in your Tip that sounds like a communication problem. The only "drivetrain" fluid the manual and Tip share is the diff fluid. The transmission fluids are quite different.

You need to revisit the dealer and ask if you can get a printout of the most recent list of transmission fluids (and while you are there engine oils) approved for your MY car.

Or check in the Porsche dealer parts department and ask for the Part # for the fluid for your car's TIP.

I have no knowledge if the factory ATF fluid is Pentosin fluid or something else. For my 2002 Boxster (and 2003 Turbo) for both cars -- with manual transmissions -- I just had the tech use the factory fluid in the transmissions and in the Boxster's diff and in the Turbo's two diffs. Once in a while I'd get a discount on the fluid. In one case the dealer had some excess fluid left over from warranty work and only charged me $5/liter for the fluid.

Regardless I never really bothered with the cost. Early on my Turbo had to have its transmission replaced due to a leak that was found under warranty. Had I have to pay for a new transmission I was looking at $10,000+ plus labor to drop the old transmission and install the new transmission. I didn't begrudge the cost of the fluid -- labor was 0.3 hour for the Boxster fluid service -- when I considered what I might save on fluid what I could end up spending on a new transmission if I skipped fluid services or tried another fluid.

For a Tip since a considerable amount of fluid remains in the transmission it is critical the same fluid be used to refill the Tip after the fluid is drained.
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Old 11-14-2018, 06:53 PM
  #43  
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Originally Posted by Macster View Post
I checked my approved oils documents and I don't appear to have one for the Boxster transmissions. I have one that covers the Turbo (and GT2) manual and Tip transmissions but the Turbo Tip is not the same transmission as the Boxster Tip. (The Turbo TIP fluid is a Fuchs fluid or a Shell fluid.)

If you got a recommendation to use a manual transmission fluid in your Tip that sounds like a communication problem. The only "drivetrain" fluid the manual and Tip share is the diff fluid. The transmission fluids are quite different.

You need to revisit the dealer and ask if you can get a printout of the most recent list of transmission fluids (and while you are there engine oils) approved for your MY car.

Or check in the Porsche dealer parts department and ask for the Part # for the fluid for your car's TIP.

I have no knowledge if the factory ATF fluid is Pentosin fluid or something else. For my 2002 Boxster (and 2003 Turbo) for both cars -- with manual transmissions -- I just had the tech use the factory fluid in the transmissions and in the Boxster's diff and in the Turbo's two diffs. Once in a while I'd get a discount on the fluid. In one case the dealer had some excess fluid left over from warranty work and only charged me $5/liter for the fluid.

Regardless I never really bothered with the cost. Early on my Turbo had to have its transmission replaced due to a leak that was found under warranty. Had I have to pay for a new transmission I was looking at $10,000+ plus labor to drop the old transmission and install the new transmission. I didn't begrudge the cost of the fluid -- labor was 0.3 hour for the Boxster fluid service -- when I considered what I might save on fluid what I could end up spending on a new transmission if I skipped fluid services or tried another fluid.

For a Tip since a considerable amount of fluid remains in the transmission it is critical the same fluid be used to refill the Tip after the fluid is drained.

Iíll give it a try again. I provided my vin number and thatís the part number provided by the local Porsche dealer. That being said they sold me the wrong parts in the past. So I guess mistake happens. Iím not trying to save cost, I just donít know where to find reliable info.

Are you purchasing transmission fluid from your local Porsche dealership?
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