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So here it is .... the final update, firstly I must say I completely underestimated how old or dirty gearbox oil could effect these DL-501 gearboxes, even though it had been changed twice at Audi Main Agents with receipts the last one was around the 60,000 mile mark so at 120,000 miles in 2024 I knew it was time for a complete service anyway, and was well aware Audi themselves do NOT remove the underside bracing bar in order to drop the complete sump unit and replace magnets, Inner large filter box, new gasket, all new hex screws and washers etc: Audi just remove the small outer cylindrical filter and drain the oil and replace without dropping the sump, not what I wanted or what I thought my S-Tronic gearbox needed at this point in time. I did the full service using the complete MEYLE kit and correct 7 litres of oil, PLUS while I was at it we drained and refilled the HALDEX unit even though this oil appeared very clean. Then I ordered a new VCDS Hex + V2 cable and downloaded the new May 2024 directive VCDS software direct from the Ross Tech website ........ After running gearbox up to +40 degrees Temperature I then did a full gearbox adaption with Clutch wear alignment, Kiss Points, Clutch 1 & 2 pressure values etc etc: The result ? ....... a car that no longer jerks and shudders ( albeit minor) from 2nd to first change downs, no longer any yellow gearbox Fault mode or "reverse not possible" messages, it no longer slips out of gear in reverse or struggles in reverse on an incline, in fact its silky smooth once more, I think I was lucky, I caught it the first time a problem showed, and even when it did occur you could turn the car off and on again and it would drive fine for any number of miles again until the next time ...... So that's it, a complete service both externally and the filter and gasket internally along with a full adaption with latest software worked for me, the full service kit was approx £140.00, I borrowed a friends ramp at his garage ( £20.00 bottle of wine ) bought a new V2 cable for £200.00 ( which I will use again and again anyway ) and downloaded the latest software for Free online at Ross Tech. I can only guess at what this would have cost at a Main Stealer or an Audi independent, Yes I know my way around a set of spanners and wrenches, but equally there are videos online and at You Tube with people doing this on their driveways and with very basic skills, its not hard, it is a little messy and you do need to dispose of your waste oil and filters correctly and in an environmental way, but its all doable with not a lot of money and with walk through tutorials online, I'm just glad to have my A7 back driving as it should ....... Good luck to all of you, it worked wonders on mine, and I really never expected it too, but this time I was lucky, if you do experience a problem don't leave it, at the very least do a FULL gearbox service, and don't cut corners, the MEYLE service kit really is one of the best, everything fits perfectly first time and its just not worth saving a pounds for an inferior cheaper kit, IMO anyway. Thanks again and I hope this may have been of some help to other members.😀

Hi I’m looking at both an Audi. A6 2014 does the 2.0 TDI have a chain or Belt. the second is an Audi A5 2013 2.0 TDI does this have a belt or chain please

Hi the car runs better during a regen as the EGR is shut off [no exhaust gas] they all do, I would recommend a full diagnostic scan before condemning anything. Steve.

Hi quite possibly the answer to this is yes, especially if the car has had no prior updates during your ownership as the dealers wont do them automatically, so you have to ask and they have to charge, the updates are normally for the first four years, these are to counter known problems that the dealers have found during service, after four years they don't do anymore updates as they say they have covered most upcoming faults, my niece has had a MINI 1from new which started to run badly last summer, the car was bought new in 2010 and had never had an update so when we took it to a BMW specialist I know he said yeah no probs the update will take ten minuets, forty five minuets later it was still down loading, but to be fair it went like a rocket after. Steve.

Hello Matty, Arrange a visit to your local Citizen’s Advice Bureau, and ask their advice on how to make an official written complaint to the selling dealer. Kind regards, Gareth.

Hello, whoever you are, Can you please take a little bit of your time to complete your profile properly. Thank you.

Hello David, Fingers crossed all will be well. Perhaps you can update us once the job has been finished. Kind regards, Gareth.

Had this car since 08/2016 bought when 6 months old, done 26000 miles full Audi Service History. Had this warning come on, previous to this had a recall message to book in for a software update and safety check, have not booked it in yet as been away. Is there a link between these problems?

Hi everyone. I am new to this site. I bought a 2008 silver a4 avant 2.0tdi brd 170. The issue I have is the car accelerates right to red line if your really gentle with it and revving slowly. As soon as you put your foot to the floor you get to around 2200rpm. Then it jerks violently. I really like this car I would like to sort the issue with it. As we go on holiday soon and I will be towing a caravan with it. Thanks to everyone in advance for any information cheers Darren

Just to complete this, Audi diagnosed a fault and car is booked in. All I was told was that it was a software fault and that car needs to be in overnight. Cheers

Hi Gareth i agree with your logic as for finding a replacement gearbox i have now found one and its local to me the guy i was messaging was a complete waste of time and had little to no knowledge of the type of box i needed hopefully my car will be back on the road sometime next week oh the joys of Audi ownership thanks again all

Thanks Gareth 👍

Steve Q they say nothing wrong with it first they say I've put petrol in the diesel it's been 4 times its not an audi main dealer just a franchise no sort cold but when cold missing till warms up

Hi might be worth getting in to dialogue with OBD Eleven and ask them if their system will deactivate the system as your vehicle is SFD protected and to date they are the only system to have access to the tokens to perform such functions, you wont have problems with insurance as these things cause more damage than they prevent and I suspect in the future they may even load your policy if you have it. Steve.

Hi it wont damage the engine, its most likely the oil sensor in the sump going sideways they are a rubbish design which is doomed to fail, I service my own car and had the same message so I drained out a litre of oil and it was still the same message so I had to change the sensor, these sensors are very twitchy even after opening the bonnet you have to drive at least two cycles [3-4 miles] before you can check it again. Steve.

Having bought a 2017 Audi Avant Tdi SE auto estate in the last few days...I was familiarising myself with information settings on dashboard and scrolled and checked all then engine oil showed a display to say reduce engine oil level. Checked on level ground...same message. Was serviced by Audi dealership in Fen and engine oil service was conducted. Has been driven over 100 miles dance that service. How would they determine if any damage has been caused to engine or cat converter?

Hello everyone, I’m hoping I can get some advice on this issue, been happening for a while now. A4 65 2.0 TDI quattro S tronic, currently at 71,000. when accelerating usually between 3rd and 5th gear there is a knocking/fluttering noise coming from the engine. Tends to be worse going up hill. I initially thought it was the octane rating, switched to v-power, did not solve, I use arch oil in every tank which helps but not solved. cam belt is due a change, could this be the issue? I’m hoping it’s not an issue with injectors? a strange thing I have noticed is the car is brilliant to drive when it is doing a regen, no noise when accelerating, car is smooth to drive feels like new. I assume this from the extra diesel being used which is making me think there is an issue with the fuel injection or ratio which could cause the knocking on acceleration. any help would be appreciated!

If under warranty I'd leave it with the dealer to find the fault.

There's always I higher risk of gearbox failure on high mileage cars. But that could go for any major components really.

Hi guys, been a busy year so far not had chance to update on the situation. In the end the EGR cooler was the problem, had it replaced and problem has been resolved with no re-occurrence since beginning of Feb. independent specialist did the job and took about 3 days in total, cost around £1200 with the labour and vat, labour was around half the cost. hope this helps someone else in the future

Does anybody know where I can source a decat downpipe for 2010 a6 c6 3.0 v6 tdi ? I have the dpf delete pipe from dark side developers but can’t find anywhere for the downpipe. thanks in advance.

I recently bought an audi a1 2012 1.6 diesel And have an engine issue hesitation especially when cold and and indicator problem turning right left operates its under warranty and they say no fault codes nothing wrong with it help please

Hi everyone any information on the Audi campaigns 97 EP and 23 CK would be much appreciated thanks regards AR

You do seem to be rather ‘fixated’ on this gearbox issue, when there are far more things that can, and do, go wrong despite the proof of FSH. Rather surprised that the car has a service book as posed to be recorded on the VAG ( International I guess) computer service record. That would be my main chasing point. Personally I cannot add to what I said in yesterday’s post in terms of gearbox service. They are going to do it and warrant it, so….? Kind regards, Gareth.

Sure thing, this one has full service history, timing belt and clutch are new. Other one has 295.000km (183.305mi), also full service history but it's an S tronic, I don't know if I should expect failure of the S tronic at those miles?