Is this the end?
Thread Starter
AudiWorld Junior Member
Joined: Aug 2021
Posts: 37
Likes: 1
Is this the end?
Hello friends,
Our lovely 2006 with 207k miles just got a transmission service done at a local shop and I used a filter from FCP and I crossed referenced it with Audi. The transmission fluid was last changed around 110k.. This shop used Audi fluid (supposedly, I never saw it personally) this time.
It is now slipping. Mostly second gear when it is cold but, others are effected as well. After 10 mins of driving or so there is no slipping at all. My first thought was that it is that it is not topped off hence the second visit to double check that it was. Is it worth going to another shop and getting the service done again? Is it time to try an additive? Of course we love the car but I am not sure it is worth going down the transmission replacement road.
Would love some thoughts. We have had the car for 14 years and have loved it dearly. Hope its not the end.
Thank you
Our lovely 2006 with 207k miles just got a transmission service done at a local shop and I used a filter from FCP and I crossed referenced it with Audi. The transmission fluid was last changed around 110k.. This shop used Audi fluid (supposedly, I never saw it personally) this time.
It is now slipping. Mostly second gear when it is cold but, others are effected as well. After 10 mins of driving or so there is no slipping at all. My first thought was that it is that it is not topped off hence the second visit to double check that it was. Is it worth going to another shop and getting the service done again? Is it time to try an additive? Of course we love the car but I am not sure it is worth going down the transmission replacement road.
Would love some thoughts. We have had the car for 14 years and have loved it dearly. Hope its not the end.
Thank you
AudiWorld Wiseguy
Joined: Aug 2012
Posts: 4,071
Likes: 321
From: Chicago
What does the shop that did the service say? They owe it to you to try and fix it. You need to determine exactly what fluid they used. If they can’t prove it, then they should offer to do another change foc to prove what was put in there was correct spec.
Otherwise it’s a simple case of them breaking the trans because they put the wrong fluid in. After all that’s the only thing that’s different.
Otherwise it’s a simple case of them breaking the trans because they put the wrong fluid in. After all that’s the only thing that’s different.
AudiWorld Junior Member
Joined: Nov 2023
Posts: 38
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It worked and then it didn't. What did the pan look like when it was pulled? Inordinate amount of buildup on the magnates? Is there an adaptation routine that needs to be performed post service? Short of a separator plate / solenoid R&R deep dive I'd be asking those questions.
AudiWorld Super User
Joined: Oct 2001
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From: SF Bay Area, CA
FWIW, I'm at a more basic question: are they using correct fill technique? You fill it, start it, then top up while running at 40-45C fluid temp. Easier practical technique is do first fill, start it cold, pump it full, then let it overflow until it reaches 40C and then close it up. Said another way, if they did not pump it full again after starting it is probably up to 2 quarts low. In turn, it would likely slip.
Thread Starter
AudiWorld Junior Member
Joined: Aug 2021
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1, I was hoping you would chime in (Thank you). 2., I was thinking about that but I had no technical knowledge about the fill.
I do have a question. Is this acceptable fluid?
Thank you again.
I do have a question. Is this acceptable fluid?
Thank you again.
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AudiWorld Member
Joined: Oct 2012
Posts: 425
Likes: 51
From: Chicago
I do think the trans system is pretty sensitive to being low on fluid. I had a slipping transmission, and like you, it only happened when it was cold, like below freezing outside. Two dedicated trans shop said the trans needs a rebuild, even after they checked fill levels with the appropriate procedure. I took it for an another opinion and they just noted a small leak from a harness adapter, replaced it and filter and square seal, and refilled with new ZF 6 fluid , and it was fine. Lesson being, even professional shops may have trouble checking if this is full. Last time I refreshed my fluid, I add a tad bit more (you can just jack the car up a little more in the back) to prevent possible under-filling and it's been fine for years.
As for your fluid, it should be close enough to work fine, if not the same. at most it may feel different, but not cause it to slip out of gear. People have used a variety of aftermarket fluid here.
In any case, unless you had a poor interaction with them, I don't see why the original shop would not be willing to take the time to at least check levels again and if they mounted the filter properly.
As for your fluid, it should be close enough to work fine, if not the same. at most it may feel different, but not cause it to slip out of gear. People have used a variety of aftermarket fluid here.
In any case, unless you had a poor interaction with them, I don't see why the original shop would not be willing to take the time to at least check levels again and if they mounted the filter properly.
Last edited by Sci-fi_Wasabi; Dec 25, 2024 at 09:26 AM.
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AudiWorld Wiseguy
Joined: Aug 2012
Posts: 4,071
Likes: 321
From: Chicago
Them ZF HP6 transmission is a pretty robust unit and is not known to fail after fluid changes. The ATF used ostensibly appears to be compatible, so *should* be ok.
As you mention the problem goes away after it’s warmed up, as others have pointed out, suggests that it might not have been filled properly. The ATF needs to be specifically topped off to the point of overflow when the trans is at 40degC. Doing it at other temps will result in an incorrect fill level.
An additive I would strongly discourage as there’s no telling what it will do/ruin.
Next step is for the shop that did it to drop the pan, make sure the filter is correctly seated, and then fill it back up using the correct procedure, AND fresh ATF. I’d suggest an alternative to the Pentosin AFT6. As whilst it “says” it’s compatible, I don’t see the baseline spec mentioned which is Shell M-1375.4
Go with an ATF that specifically mentions “Shell M-1375.4” as a spec, of which there are plenty, or go with the OEM ATF “ZF Lifeguard 6” to avoid any doubt.
As you mention the problem goes away after it’s warmed up, as others have pointed out, suggests that it might not have been filled properly. The ATF needs to be specifically topped off to the point of overflow when the trans is at 40degC. Doing it at other temps will result in an incorrect fill level.
An additive I would strongly discourage as there’s no telling what it will do/ruin.
Next step is for the shop that did it to drop the pan, make sure the filter is correctly seated, and then fill it back up using the correct procedure, AND fresh ATF. I’d suggest an alternative to the Pentosin AFT6. As whilst it “says” it’s compatible, I don’t see the baseline spec mentioned which is Shell M-1375.4
Go with an ATF that specifically mentions “Shell M-1375.4” as a spec, of which there are plenty, or go with the OEM ATF “ZF Lifeguard 6” to avoid any doubt.
Last edited by dvs_dave; Dec 25, 2024 at 01:03 PM.
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