Your Thoughts On A 2919 RS5's Reliability And Does My Plan Make Sense?
#21
AudiWorld Super User
I wouldn't mind the Touring in British Racing Green with the yellow headlight accents, like the Brit youtuber Joe Achilles has. Joe Achilles '24 M3 Touring But still, a 2-3 yr old RS6 Avant gets my vote.
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JohnEnglish (03-14-2024)
#23
No hatch. The Touring would be interesting, though it's still awkward looking at certain angles. You'd think it was the next coming of the McLaren F1 the way the European press fawn all over it. Honestly the few extra tenths in the 1/4 drag isn't real world necessary. What is real world is the ridiculous giant tacked-on all touchscreen surfboard dash display replacing the nice original dash and controls in MY24.
I wouldn't mind the Touring in British Racing Green with the yellow headlight accents, like the Brit youtuber Joe Achilles has. Joe Achilles '24 M3 Touring But still, a 2-3 yr old RS6 Avant gets my vote.
I wouldn't mind the Touring in British Racing Green with the yellow headlight accents, like the Brit youtuber Joe Achilles has. Joe Achilles '24 M3 Touring But still, a 2-3 yr old RS6 Avant gets my vote.
#24
AudiWorld Super User
#25
AudiWorld Senior Member
The predecessor 3.0 engine (EA837) had problems with its water pump and there was even a class action suit, but that suit specifically excluded the EA839 engine that we are discussing. There were also issues with the 1.8 and 2.0 4 cylinder water pumps, but they also don't apply here. I have yet to see reported problems with the 2.9tt (B9/9.5 RS5) water pump. I'm not saying it can't fail, but it does not appear to be common at all.
I searched audiworld, audizine, reddit, and google for reports and examples and only found a few reports regarding the 3.0t version of the EA839 engine. Considering that engine is used everywhere, it does not appear to happen very often. For example:
.
3.0 TFSI(243 kW (330 PS; 326 bhp)): Porsche Panamera/Panamera 4 (2nd gen)2.9 TFSI(243 kW (330 PS; 326 bhp)): Porsche Panamera 4 E-Hybrid (2nd gen)CZSE/DR: Audi A6 (C8), Audi A7 (C8/4K8), Audi A8 (D5), Audi Q8, Porsche Cayenne/Cayenne E-Hybrid (3rd gen), Volkswagen Touareg (3rd gen)CWGD: Audi S4 (B9, B9.5 excluding European models), Audi S5 (B9/F5, B9.5 excluding European models), Audi SQ5 (FY, excluding European facelited models)2.9 TFSI(324 kW (441 PS; 434 bhp)): Porsche Panemera 4S (2nd gen), Porsche Cayenne S (3rd gen)DECA: Audi RS4 (B9), Audi RS5 (B9/F5)DKMB: Audi S6 (C8, excluding European models), Audi S7 (C8/4K8, excluding European models)
.3.0 TFSI(243 kW (330 PS; 326 bhp)): Porsche Panamera/Panamera 4 (2nd gen)2.9 TFSI(243 kW (330 PS; 326 bhp)): Porsche Panamera 4 E-Hybrid (2nd gen)CZSE/DR: Audi A6 (C8), Audi A7 (C8/4K8), Audi A8 (D5), Audi Q8, Porsche Cayenne/Cayenne E-Hybrid (3rd gen), Volkswagen Touareg (3rd gen)CWGD: Audi S4 (B9, B9.5 excluding European models), Audi S5 (B9/F5, B9.5 excluding European models), Audi SQ5 (FY, excluding European facelited models)2.9 TFSI(324 kW (441 PS; 434 bhp)): Porsche Panemera 4S (2nd gen), Porsche Cayenne S (3rd gen)DECA: Audi RS4 (B9), Audi RS5 (B9/F5)DKMB: Audi S6 (C8, excluding European models), Audi S7 (C8/4K8, excluding European models)
During this effort I also looked for reports of water pump failures in other brands and found a similar reports on Mercedes and BMWs. So, any part can fail in any car, but water pump failures do not seem to be over-represented in the EA839 engine when compared to other brands.
Last edited by Dan99; 03-16-2024 at 07:00 AM.
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Nikon1 (03-16-2024)
#26
Fuel
Your most consumed product is fuel, they are not all alike.
Drive for a month on ARCO and then switch to Shell.
The video of the tear down of a rocker arm failure shows significant carbon deposits on the valves which is caused by cheap fuel and not running the car hard enough at temperature.
Performance engines need to be run HARD periodically.
Drive for a month on ARCO and then switch to Shell.
The video of the tear down of a rocker arm failure shows significant carbon deposits on the valves which is caused by cheap fuel and not running the car hard enough at temperature.
Performance engines need to be run HARD periodically.
#27
AudiWorld Super User
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JD15 (03-17-2024)
#28
AudiWorld Junior Member
That's not what causes carbon build up on the valves in direct injection engines. The back of the valves are no longer washed by the fuel, so the deposits build up instead of being cleaned away. Fuel quality has nothing to do with it. Driving hard can help as it blows more air through the engine and hopefully blows the gunk out before it hardens, and oil separators help to take the oil out of the crank case so it doesn't cake up on the valves. Don't know if the 2.9TT has oil separators from the factories, but you can install aftermarket catch cans for example, although they require periodic maintenance to empty the oil out.
The EA825 4.0TTV8 (related engine but not used in RS5) has two separators, one per side.
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superswiss (03-16-2024)
#29
AudiWorld Super User
That's not what causes carbon build up on the valves in direct injection engines. The back of the valves are no longer washed by the fuel, so the deposits build up instead of being cleaned away. Fuel quality has nothing to do with it. Driving hard can help as it blows more air through the engine and hopefully blows the gunk out before it hardens, and oil separators help to take the oil out of the crank case so it doesn't cake up on the valves. Don't know if the 2.9TT has oil separators from the factories, but you can install aftermarket catch cans for example, although they require periodic maintenance to empty the oil out.
#30
AudiWorld Member
I bought my '19 RS5 coupe (build date11/19) new in August, 2020 and have 29K miles on it. Car is stock save for 12/15mm wheel spacers (purely for cosmetics) and an APR Carbon Fibre intake. I'll go APR Stage 1 when the warranty is up in August. Zero issues thusfar save for replacing the stock summer tires with Conti DWS 06's. I live in the mountains of North Carolina so a high performance all season makes sense for me. As others have commented, I too drive briskly in Sport/Dynamic mode but not hard and always wait for the engine to come up to temp before any any sporty driving. Mine is a low option car (Black Optics, B&O, leather) so I can't speaks to DRC, etc. It's not a daily driver but not a garage queen either - I love road trips as the car just eats miles.
There's not much to add to this comprehensive thread, but I would agree that after AudiCare and the warrantly expire, find a qualified indy shop and you'll save thousands on maintenance and repairs. A tech from our local dealer does side work and maintains my wife's 13 Q5. He'll work on the RS5 when the time comes. Someone will get a great car when I'm ready for something else.
Good luck with your search - The cars are out there.
There's not much to add to this comprehensive thread, but I would agree that after AudiCare and the warrantly expire, find a qualified indy shop and you'll save thousands on maintenance and repairs. A tech from our local dealer does side work and maintains my wife's 13 Q5. He'll work on the RS5 when the time comes. Someone will get a great car when I'm ready for something else.
Good luck with your search - The cars are out there.
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