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You’re welcome. I know it can be a bit confusing knowing what to do for the best at times, especially with conflicting info. Good luck with it. Well worth doing.

Thanks Ferret, that's quite persuasive!

Audi are talking a load of balls. Listen to the box manufacturer. No confusion. It’s crystal clear. It needs servicing within those guidelines expressed by ZF. Do you have a ZF8 auto transmission in your vehicle? Yes. Therefore……….simples!

Hello, I have a 2017 B9 2.0 petrol. I've recently had dash warnings the start/stop and drive system fault. The first few times the faults cleared with turning it off and on again. But now the engine dash light is permanently on yellow. I will take it to a local garage for a diagnostic but wanted to have a bit dig myself too. I saw it could be an issue with the battery so thought I'd test the voltage with a cheap multimeter I had. The readings I got were 12.5v with engine off, and 12.9v with engine on. Are those readings ok or could there be an issue with the battery? Cheers Martin

Thanks for posting, this has now added even more confusion to the topic! Audi state no service required but ZF recommend an oil and filter change! I really don't want to be spending north of £1000 to have it done properly but also want to avoid any potential issues in the future - maybe I should contact ZF directly to get a definitive answer? Thanks for everyone's input in this very grey area!

8K0 601 025 B 7.5J17 ET45 Goodyear EfficientGrip Performance 2 225/50R17 94W 5x112 66.5 bore (currently fitted with 57.1 spigots for Skoda/Vw fitment, easily removed if required). Really good quality wheels, a few minimal scuffs. Goodyear Efficient Grip Performance 2 Tyres have approx 4-5mm remaining. They have been fitted to my old Yeti as summer wheels so have never seen salt/winter crud. Always cleaned and stored away properly on a wheel tree and covered over winter. £260 ono collection Gateshead.

Can you get more headroom by tilting the seats forwards?

My 2005 D3 A8.....does anyone know an easy way to remove these for better rear visibility? There just doesn't seem to be enough headroom to get them out and I can't see how to get the backrest undone. Any advice greatly appreciated.

Price Chris please?

Sorry, i tried to upload a link but couldn’t manage it 🙄. Here is the kit for the SQ5 with the ZF recommendation service interval (which is the interesting part for the OP. hth.

If you have your own diagnostic I would just unplug one at a time and check for codes each time to pin point which is 1 and 2, Should just give a open circuit fault code that clears when reconnected, replace these a lot from rear collision damage and never have a problem afterwards

I beg to differ. Garages have a vested interest in advising over-cautious maintenance work. You do have something to lose if such work is carried out badly - or unnecessarily. I have read expert advice that disturbing the innards of, say, the ubiquitous ZF HP 6 box can cause filtered particles to go where they shouldn't - and cause problems soon after the unnecessary oil change. Unless it has been used harshly and arduously, it should last the life of the car. If it works, don't mend it! I would follow the advice of ZF rather than a provincial Audi garage.

Thanks, will do. Still need to know which is which as I don’t want to break into a serviceable system.

Should be fakra connectors, give them a spray of wd40 and wait 10 minutes. Use a small pick to help release the tab

Hi Thanks. The fin is GPS. I can see the GSM modules left and right however the connectors are flimsy so chances are I will damage them if I touch them.

New member intro… Have been a company car driver my entire working life having gone straight from my owned Motorcycle into a job that came with a car. Fast forward 44 yrs & I’m retiring to venture into car ownership for the first time. This 62yr old virgin decided to break his car ownership virginity with an Audi A6 Avant, 1.8 Tfsi S Line, it’a a 2018 but good condition and v low mileage after 1 owner. I’m delighted with my recent purchase & proud to be an Audi owner. I hope the group will be useful for ‘handy tips & hints’ and the discounts will be a great help Thank you AH

Not sure about the A3 but my understanding is antenna 1 is in the roof fin and antenna 2 is behind rear bumper bolted to the rear panel, typically on left hand side

Any reputable brand should be fine, Audi don’t make these parts themselves anyway so possible you get the exact same item but in a different box. Active grills are visible looking thru the front grilles of the car.

Thanks for the inout

Hi hi guys my went in limp mode today after resetting my transmission on my Audi a4 b8 tdi 2012 and started giving me this p029900 code but not check engine light any suggestions on what it could be. Thanks in advance Halldor

Thanks guys. Not sure if my car has active grills, is there an easy way to check? I too am leaning towards the thermostat so glad, in a way, that you agree. I’ll chat with my mechanic and take it from there. One last question on this, if I may, is there a non-oem brand for this part that is recommended or is it something that needs to be main dealer? The disparity in price between oem and aftermarket is large and one I’d like to avoid if possible.

As for the thermostat - since the temperature gauge is behaving strangely (jumps between 50 and 100, but often ‘sits’ close to 50), it really looks like the thermostat is either not closing or is hanging in the open position, causing the engine not to reach the correct operating temperature. This can also affect the cruise control - in some Audi/VW models, when the engine doesn't reach the right temperature, the cruise control doesn't activate or is turned off preemptively. I would do this : Replace the tank - a cheap attempt to eliminate the sensor. Thermostat - rather necessary, symptoms very typical. Water pump - definitely worthwhile by the way, preventively. Cruise control - may be linked to engine underheating, worth waiting to see the effect after replacing the thermostat.

Hello from Canada. Last year I purchased a 2016 TT S Line. Recently I have gotten a P2556 error code indicating coolant level sensor issue. Audi tech feels that the thermostat needs replacing, but the coolant level sensor is in the expansion tank. The temperature gauge is erratic going from 50 to 100 degrees but usually down near 50. Also just recently noticed that the cruise control does not work. I found an old thread from 2018 from another member who had identical issues and symptoms but don't know if the error code and cc issues are related. Questions, if replacing the thermostat should I do the water pump as well? car has 176K km. Cost of thermostat unit is $800Cdn and water pump another $250 and quoted 5-6 hours labor at $185/hr. Thinking of replacing the expansion tank as it appears that the coolant level sensor is not easily replaced into an existing tank. Cost of new tank is only$60 so not too much wasted if it doesn't work. Any ideas or suggestions would be appreciated. thanks Randy