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Audi A6 Maintenance and Repair

1201 messages,  Last post on Nov 28, 2009 at 6:07 AM

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What is this discussion about? Audi A6, Sedan, Wagon

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#1087 of 1201 Re: Help! A6 transmission/power steering pump tale of woe [clueless3] by fonefixer Dec 20, 2008 (11:38 am)
Replying to: clueless3 (Dec 13, 2008 8:36 am) Audi says it's "tiptronic" transmission fluid is "lifetime." Don't believe it. All fluids wear out in time. I owned a 2000 A6 and an independent mechanic warned me to have the tiptronic fluid changed every 40,000 miles or so. Yours should almost be on the 2nd fluid change by now. The mechanic told me he sees these cars at 60 to 90,000 miles w/ tranny failure due to worn out fluid. Very bad information from the Audi dealer network.   Probably will be very hard to fight the warranty expiration. Would research very carefully through the various internet services what your particular car might be worth on the retail, private sale, and trade-in market for your area assuming the car in good condition. Then deduct the nearly $4,000 in needed repairs. You will arrive at a close figure to determine whether to spend the $4000 or sell/trade for something more reliable. Personally, after driving Audis for 6+ years, would really go the "something more reliable" route...i. e....Honda, Toyota, Mazda.
#1088 of 1201 Re: Coolant Leak Question [Diggs814] by arrow3 Dec 28, 2008 (8:10 pm)
Replying to: Diggs814 (Nov 22, 2008 5:08 pm) i'm pretty sure your problem is in the secondary coolant pump, happened to my 03 and there is a bulletin from audi on this problem. I think it should have been a recall
#1089 of 1201 Where to Buy: AUDI A6 electronic control units for convenience equipment by Nnewi Dec 29, 2008 (3:28 am)
Hi,   Can somebody advise me on where to buy the following parts, second hard (fairly used). Who are the best dealers in terms of price for new ones?   1. AUDI A6 electronic control units for convenience equipment - Parts Number - - 4B0962258C 2. Bonnet Cable - 4B1823531
#1090 of 1201 1998 Audi A6 Quatro - tranmission problem by Brooksman Jan 03, 2009 (3:15 pm)
We have a 1998 Audi A6 Quatro, it has 160,000 miles on it. Problem: When the car is started and put into drive - it seems like it goes into gear, but doesn't. The car will free-wheel, but not kick into gear. It can be forced into "default" mode, and the transmission will go into 4th and then take off, but only in 4th. Reverse is no problem. Cannot find information to help troubleshoot this problem. Question: Is the shifting of gears electronic, mechanical or both? Could a bad wiring connection cause this problem? Replies to this message: homeshop (Jan 10, 2009 7:41 am) Brooksman (Jan 10, 2009 12:13 pm)
#1091 of 1201 Re: Audi MMI failure [lisabrit] by lou24 Jan 07, 2009 (5:22 pm)
Replying to: lisabrit (Dec 08, 2008 7:05 am) HI LISA   did you get a answer for the mmi system? took my car to the dailer and he told me that it wasn't from coffee or anything else that spilled in the car,he said it was the (main control modgeul) in the back of the radio>!!!????
#1092 of 1201 Re: 1998 Audi A6 Quatro - tranmission problem [Brooksman] by homeshop Jan 10, 2009 (7:41 am)
Replying to: Brooksman (Jan 03, 2009 3:15 pm) Hi. read your post. My 1999 (160,000 miles) audi a6 quattro has similar problem. backs up no problem, no go in forward. I found a site indicating audi trans need fluid and filter changes 30,000 to 60,000 miles. (so I am 2 to 5 changes behind - was originally told trans fluid change was unnessary since there is no dipstick.) But there are drain / fill holes and screen in the auto trans pan. VW may have similar screen as audi. Please let me know what you have found. Thanks. Replies to this message: Brooksman (Jan 10, 2009 12:13 pm)
#1093 of 1201 Re: 1998 Audi A6 Quatro - tranmission problem [homeshop] by Brooksman Jan 10, 2009 (12:13 pm)
Replying to: homeshop (Jan 10, 2009 7:41 am) We have been doing an is / is not process on the car. We haven't quite figured out what the problem is but we feel we are getting close. We do not feel it is an oil change issues as everyone seems to suggest. We believe it is an electronic issue with the transmission control module, solonoid or relay. The thought behind this is, when we can get the car up to 5 miles an hour (rolling it down a hill), in tiptronic mode, the car will smoothly shift into first gear, and from there we can drive the car and shift from 1st - 5th and back without incident. When in 1st - it will stay locked in even when stopped. BUT, if we stop the car in 2nd, we are back to square one and the car will not shift into 1st. Also, with the same start of rolling it down the hill, we can get it into "D" drive mode, and it is fine while in motion, but will go back to doing nothing when we come to a complete stop. See if this works for you. If you find the same results let us know, maybe between the two of us we can get these cars to work.
#1094 of 1201 Re: transmission? [biglio] by 98AudiA6 Jan 14, 2009 (8:20 am)
Replying to: biglio (Dec 03, 2007 3:11 pm) I was driving my son to school this morning when the car just stopped going in forward. No gear would work. It would allow me reverse, and I drove back home in reverse. It will go forward at a snails pace, like it is straining. Was this what happened to you? Was it your transmission? Did you have to have it replaced? Was it your fluid? Or I'm wondering if it will do this if the fluid is low or out? I have an 98 Audi A6 Quatro. It has over 200k miles. The engine was rebuilt at 100k. 3K to fix? Wow. I bought it for 3K from a dealer, it was a deal. I was very happy. exithourhotmail.com Any info is greatly appreciated! Thanks! exithourhotmail.com Replies to this message: homeshop (Jan 14, 2009 10:20 am) 98AudiA6 (Jan 14, 2009 12:02 pm) Brooksman (Jan 14, 2009 10:58 pm) and 4 more...
#1095 of 1201 Re: Help! A6 transmission/power steering pump tale of woe [clueless3] by 98AudiA6 Jan 14, 2009 (8:41 am)
Replying to: clueless3 (Dec 13, 2008 8:36 am) Same thing here with the door lock. I just use the trunk to open the car now. One turn to the left to lock and set the alarm, two turns to the right to unlock.   Windows have issues too, The passenger window won't roll up in humid weather or rain anymore without great physical assistance.   Not sure about my transmission now though. Today, it only goes in reverse. Just quit moving forward, except ultra slow. Bought the car for 3K. Totally can't afford a 3K fix!
#1096 of 1201 Re: transmission? [98AudiA6] by homeshop Jan 14, 2009 (10:20 am)
Replying to: 98AudiA6 (Jan 14, 2009 8:20 am) We may have the same transmission type. Mine is 5 speed auto 'tiptronic' - Audi installed over several years. There are two versions identified by a tag on the bell housing immediately behind the engine - hard to find and read. My story is similar, my spouse backed out of parking area, but needed a push to move forward. Parked the car in the garage and was able to back out but unable to drive away. The availability of reverse is probably know as 'fail safe mode'. The problem could be electrical sensors/switches, but probably an internal mechanical problem. If you are able to slide below the car and loosen a 'fill hole' nut and sample the fluid, you may do some investigative work. If you find fluid dark and smelly - internal problem, if fluid is light colored and low smell - something else - possibly electrical and external and lower cost. I checked with local transmission repair and depending on problem cost between $100 (doubt it) to replace a small component/adjust controlling computer, to around $3,000 to repair or pull/replace with used or remanufactured transmission. Both have limited warrantys. I called an Audi dealership. $6,800 to pull and replace with a new transmission. Good warranty, but no on sight repairs or lesser costs. At our Audi's ages, I can not see that money being well spent. Hope your problem is electrical - heck for that matter I hope our problem is electrical! Replies to this message: 98AudiA6 (Jan 14, 2009 12:02 pm) Brooksman (Jan 14, 2009 10:58 pm) Brooksman (Jan 14, 2009 11:28 pm) and 3 more...

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