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Audi A6 Maintenance and Repair



  • Oh, and I forgot .... the fuel computer has sometimes led me to believe I had zero miles worth of gas, when I actually had 2~3 gallons. My lease on my A6 2.7T is up 11/2 and I'm leaning towards the '06, but all of this talk about problems with the advance key has me nervous. I have read countless posts about it.
  • keyeskeyes Posts: 5
    ive put roughly 7500 miles on the car and no problems at all. :)
  • duffy4duffy4 Posts: 18
    Even though I have had a few nagging problems, I still love my 2005 a6 4.2. I just wish I had waited for the 2006. I think most of the nagging problems will have been fixed, the dealership has been great and the car is beautiful. The 2006 colors are better too,. In 2005, the colors were lame. The a8 had better choices. In 2006, they have a great light gray that I saw in the showroom
  • liferulesliferules Posts: 531
    My one year anniversary of my car will be in 2 wks. During this time, I have to say I have loved the car. The A6 definitely has its drawbacks (low city mileage, problems with starter buttons, perhaps not as much HP as I'd like) but overall, I am happy to have bought it. I don't regret it at all. I still look forward to driving it and still park it far away from others to try to prevent the inevitable ding.
  • I have a 1998 A6 2.8, and I am having oil leaks as well. However, it didn't really start until about 92,000 miles and got progressively worse. I took it to my independent mechanic who is very good with Audis, and he could not find the source. However, he did not dig into the car very deep. I think he was concerned about the labor costs of actually finding the leak. It is leaking in the area above the A/C compressor, and is not the valve cover gasket or head gasket. I suspect the cam seals are the culprit, but when I look inside the timing belt covers, there is a little residue- but not much. Can it leak from the cam seals without leaking into the timing belt area? The leak started out to be a little drip, but has turned into an alarming puddle. It also seems to be leaking on the passenger side rear, thus making smoke from a drip on the exhaust. I replaced the valve cover gasket on that side- but to no avail.
  • joatjoat Posts: 3
    hi fairbanks99-
    you ABSOLUTELY must check to see if the timing belt and/or water pump maintenance was done on the car. if not, you're in for a big bump (financial).
    you definitely want to replace the timing belt if it's not been done recently.
  • joatjoat Posts: 3
    i couldn't agree more with you!!
  • joatjoat Posts: 3 works off a satellite so when the signal is interrupted, no sound.
    tunnels, overpasses, trees, etc.
  • geosfgeosf Posts: 3
    Wow ... loved my 2000 A6 2.7T. All service and maintenaince done by Audi dealer as specified. Two weeks ago the Check Engine light came on. Dealer said he had to order an emissions part but it was OK to drive. One week later the water pump goes out on the highway. Car towed to the dealer from the side of the road. Verdict: Water pump siezed, timing belt jumped some teeth, broke valves and damaged pistons ... that will be one new short block sir.

    Anyone else with similiar experience?
  • kirby2010kirby2010 Posts: 136
    That is my biggest fear! I have 68K miles on my 2001 2.7T and have been considering a trade. I really like the car - especially the 6-speed. Audi has gone overboard with pricing and I'm looking at Acura and Infiniti.

    How many miles did you have on the car? Has anyone done routine timing belt service and the recommended service point and pushed these models past 100K??
  • geosfgeosf Posts: 3
    Ooops ... I had 65K and just had the dealer do the 67K check.
  • You live in Faibanks and don't drive an AWD vehicle? I hope the plows do an excellent job in the winter!
  • I drive a 2000 A6 2.7T, 85,000 miles and recently had the cam /valve cover gaskets replaced at a non-dealer shop. They looked at the water pump/timing belt and they did not need replacing at this time. They mentioned 100 to 105,000 miles to bring the Audi back for these replacement services. I hope that you had an extended warranty to cover the $15,000 engine replacement!
  • geosfgeosf Posts: 3
    Nope! No extended warranty. Still working with the dealer for repair cost.
  • tommtomm Posts: 31
    Big Problem - anyone else? Tried to start my BEAUTIFUL blk/tan '05 A6; turned key, nothing happened. To boot, key stuck in ignition. Flat bed to dealer - 3 weeks later, this is the story: Problem is a module in the steering column. This has happened before at this dealer - and apparently other places. Dealer tried to order column - none in the USA -have to order from Germany. AUDI will not replace the steering column (they know there is a systemic problem -why replace a column with one known to have defectively designed and manufactured?) - So- back to the engineers for a "fix" column/module. Local dealer gave me a car (another story: '06 with 50 miles on it and a defective air pressure sensor that keeps going off/showing malfunction). Are all us AUDI lovers stuck with the VW/AUDI electronic bugs of old?? Tom
  • tommtomm Posts: 31
    good luck - see my post #544..;)
  • Thanks. That's encouraging, I think. I take the car in every 5000 miles for an oil change. Last time I had the shop check the serpentine belt and they said it was good for the normal service interval. If I thought that was the only major service item I'd have for the next 3 or 4 years I'd hang on to this car.
  • neiljneilj Posts: 1
    Have an older (1996) A6 wagon - four speed auto; just recently it sticks in 3rd gear, will shift down normally but gets no further than 3rd. Have to stop, switch off and restart and sometimes corrects itself. Any ideas?
  • I have a 2005 A6 with the Bose sound system. With my last car, I used a cassette adapter to play an iPod, which is not an option since the A6 doesn't have a cassette player. Does anyone have any suggestions?

  • At this time, the only option is one of those FM transmitters... They are working on a link with the MOST system but it is still likely a year or so away, from what I've heard.
  • Karen_SKaren_S Posts: 5,095
    Check out our Car Tech Blog. There is an article there with a link about how to "Ipod Your Car".

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  • I purchased a 2005 A6 in September, and have the exact same problem. I was told by the dealer it was a software issue that needed upgrading. I am having it done in two days. Was your problem ever fixed?
  • Yes, was fixed, but it took multiple calls to german HQ to figure out that the battery control module needed to be replaced entirely (not an upgrade, but a replacement). Once they figured that out it was a 1 day fix and no battery problems since...Good luck!
  • Thanks for the info. I will make certain they replace the battery control module when I bring it in tomorrow.
  • I thought I share this frustrating experience with the other readers of the forum since I have gained so much valuable information from this site over the past 4 months:

    I recently purchased a 2005 A6 3.2 (fairly loaded) at 5999 miles from a reputable Audi dealer as a certified pre-owned car. The car was being driven by an executive at the dealership and was not a demo or loaner. Service was impeccable and purchase was very straightforward and hassle free.

    After roughly eight hundred miles, the transmission was noticeably “rough” and eventually, the engine light went on and the car automatically went into ‘safe’ mode, which means the car stays stuck in 3rd gear so you can get back to the dealership.

    After diagnostics at the dealership, the car needs a brand new transmission which they will be installing this week. This is shocking considering that there is less than 7000 miles on it. Suffice to say that I am very frustrated with such a massive mechanical failure and worried that this is a sign of things to come. But, I do love this car and Audi did a splendid job designing it overall.

    My family has had 4 Audis and most of them have been great, but this really has put a dent into my loyalty to this brand. Perhaps this will change if there are no other mechanical problems.

    Future buyers: this is a fantastic car but one has to wonder…

    Will let the others know how the repairs turn out in a follow up email.
  • Our 2000 A6 4.2 (75k mi) has been at our local Audi dealer for close to 2 months now. Seems everytime they fix something in response to the Check Engine Light and "codes" another failure code pops up. So far, we have replaced the camshaft position sensor twice, both camshaft tensioners, and valve seals on the right bank. While reassembling the cylinder head after getting new valve seals the Audi mechanic cracked a small aluminum bracket, one of several that hold the two camshafts in the head. Audi does not sell the part and prescribes a new cylinder head, for about $2,500. Yea, right! Has anybody had similar problems with these engines? This is our 4th Audi, but we cannot seem to get any response from the company to convince us we ought to replace this car (we sure aren't keeping a car that tives us this much trouble). Oh, and in spite of about $800 of work on the problem, the AM part of the radio has never worked since we bought the car a little over 2 years ago.
  • While reassembling the cylinder head after getting new valve seals the Audi mechanic cracked a small aluminum bracket, one of several that hold the two camshafts in the head.

    If he broke it, I would insist the the dealership pay for the new $2500 parts as it is their fault...not to mention all the time the car has been in the shop...

    You should have fixed the radio when you bought the car and while it was still under warranty (I'm assuming it isn't anymore unless it was CPO'd, in which case, have them fix it). I hope you've contacted AOA and gotten them involved. It may help the service dept be more responsive and quick in fixing the car...not to mention, they may be more helpful in paying to just replace something with AOA approval...

    Good luck and be sure to update us on the outcome.
  • The car has less than 2K miles on it. It has already died twice. Each time, it happened after I left the car in a parking lot at our work only to find that the battery had drained out when I returned after the work day, about 9 hours. Seems like the car does not shut off all of its electronics and continues to draw current from the batery.
  • Check your battery indicator...a couple of us on this site have had issues with a faulty battery control module that reads the battery as being low and causes the car to shut down its functions...while your car has actually died (mine just shut down auxiliary functions), maybe it is the same issue. At the time this happened to me, my car was months old with only hundreds of miles on it, yet the battery indicator was reading the battery to be below 20%. Good luck.
  • Hello All,

    I think I want to purchase an Audi A6 soon. What are the pros and cons... I am fairly scared about German cars these days so please be honest.

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