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1466 messages,  Last post on Nov 18, 2009 at 6:51 PM

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#1457 of 1466 2001 A8 "Trunk Open" Light Warning by strudel Apr 17, 2009 (3:49 am)
We've had various and sundry problems with our A8; most recently the thermostat failed at 72,000, showing overheating in the red after driving it for 15 minutes (usually with some minor hill climbing - living in Colorado). Just replaced the timing belt too.   Now, another problem - occasionally throughout the past year or so, the trunk refused to close. You could close it over and over, finding yourself frustrated and eventually slamming it closed - eventually it locked closed. When it finally locked closed, the light on the dash would turn off. We have made adjustments to allow for ease of closing but now the dash light refuses to turn off. The lid is closed! Now all the light bulbs in the trunk are burned out. We are going to replace them today in hope that the continual warning light is perhaps tripped to tell us that the bulbs are burned out - but we don't know if replacing those bulbs will trip the system to turn off the warning light.   Does anyone know where the sensor is located that trips the warning light? We've torn the trunk apart and cannot find it! Has anyone else had this problem - if so, how did you fix it?   Any help would be appreciated! Replies to this message: ayyate (Apr 17, 2009 6:36 am)
#1458 of 1466 Re: 2001 A8 "Trunk Open" Light Warning [strudel] by ayyate Apr 17, 2009 (6:36 am)
Replying to: strudel (Apr 17, 2009 3:49 am) I am surprised you got as far as you did with the thermostat. My dealer tells me they have many A8 thermostats fail at 35 - 40K miles. Their advice: replace it at that mileage even if there are no symptoms.   I had a similar problem with the trunk on a 2005 A8 when almost new. On mine, all it required was a trunk adjustment. Perhaps the slamming did some sensor damage?   I probably haven't helped.
#1459 of 1466 How reliable is a used 2006/2007 A8? by djt21 Jun 15, 2009 (7:08 pm)
I have several friends with older 1998-2003 audi's of various models (with moderate mileage - about 60k), they often complain or electrical gremlins and various other component failures with their cars. I'm looking for feedback from 2006/2007 A8 owners and their reliability experiences. Replies to this message: mclovin4 (Jun 25, 2009 4:55 pm) ayyate (Jun 25, 2009 5:29 pm)
#1460 of 1466 Re: How reliable is a used 2006/2007 A8? [djt21] by mclovin4 Jun 25, 2009 (4:55 pm)
Replying to: djt21 (Jun 15, 2009 7:08 pm) cant speak for 06-07, however i can speak about my 2005 A8L...if you are interested?
#1461 of 1466 Re: How reliable is a used 2006/2007 A8? [djt21] by ayyate Jun 25, 2009 (5:29 pm)
Replying to: djt21 (Jun 15, 2009 7:08 pm) As the past owner of a 1999 and a 2005 A8, and now an S8, I can say that my experiences have always been favorable. However, I have not had a high mileage car, generally parting with them at around 50k miles or so. In spite of the car being more technologically advanced than the smaller Audis, it seems like they have fewer problems. I should add that my wife and I have also owned an A6 and an Allroad, for comparison.   Having said that, I would not want to be without an extended warranty on any brand of luxury car. Major repairs can be higher than you might imagine.
#1462 of 1466 Re: A8 will not start [harbo] by rrud Aug 17, 2009 (9:21 am)
Replying to: harbo (May 05, 2008 7:57 pm) I owned my 2004 A8 for almost 2 1/2 years and I've had the same ignition trouble you desribed since day one, but it has not gone completely dead (yet). The dealer claimed orginally that they have never heard of or seen the problem. Now after complaining about it for more than 2 years the dealer replaced the ignition switch (cars still under warranty), but the problem still persists. I only have 4K miles left on the car before it goes out of warranty and I'm concerned after seeing your post that the same thing might happen to my car. What happened after yours went completely dead? Were you able to finally identify the problem and resolve it? Replies to this message: harbo (Aug 17, 2009 7:01 pm)
#1463 of 1466 Re: A8 will not start [rrud] by harbo Aug 17, 2009 (7:01 pm)
Replying to: rrud (Aug 17, 2009 9:21 am) rrud, yes Audi of N Scottsdale AZ, did solve the problem. It took a couple attempts and parts in from Germany. Suggest contacting Walter Smith (technician supervisor) for the cure at 480-538-4000 and tell him it was the Sorenson 2004 A8L. If not directly you can reach him for a return call through Tyler or Jason (service writers). All the folks at this service department are simple outstanding. Good luck.
#1464 of 1466 engine management by joemanz Aug 19, 2009 (8:01 am)
I have a 2009 A8L. After a cold start-up as the idle goes to normal rpm the car starts to shake making it difficult to accelerate, Also in the 20-40 mph range if I lift off the accelerator, the car downshifts and surges forward. Anyone else experience this ? With any resolution ? Replies to this message: clembo (Aug 20, 2009 1:56 am)
#1465 of 1466 Re: engine management [joemanz] by clembo Aug 20, 2009 (1:56 am)
Replying to: joemanz (Aug 19, 2009 8:01 am) I have an '09 as well, 10k miles and no issues like yours. Make them fix it, push your dealer for help from Audi.
#1466 of 1466 transmission noise from my a8l by djt21 Nov 18, 2009 (6:51 pm)
I have a 2006 a8l and after the car has been driven a few miles i notice a faint noise (very hard to describe) between 3rd and 4th and also between 4th and 5th gear shifts. If i drive agressively the noise gets louder-kind of like a muted screech sound. Just turned 53k and have no idea of what this may be.

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