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Audi A6 Maintenance and Repair

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Comments

  • erickplerickpl Posts: 2,735
    Had a comparable problem in my 2002 BMW 325xi. Turns out the problem was a cluster controller unit failure (mainly a dashboard computer issue).

    May be something similar here for your 99 CVT.

    -Paul
  • I had a head cover gasket leak which resulted in a light that says "OIL" to blink for up to 1 minutes every time I turned the car on. The light would go away and be replaced with the regular odometer reading every time. I had the gasket replaced and the leak stopped, but the OIL lamp still blinks every time I turn on the engine. I would appreciate any advice on how to reset the light.
    Thanks.
  • I have a 2002 A6 that has either blown head gaskets on both banks or a combination of blown gaskets and cracked heads. Has anyone had experiance repairing this with products like "Thermagasket". Or is the repair easily done yourself with a repair manual? Shop estimates range from $1900 to $5000 to repair.
  • Mr_ShiftrightMr_Shiftright CaliforniaPosts: 44,416
    Nothing in a can is going to save you I'm very sorry to say, and it's not a very easy repair DIY either. Of course I don't know your skill level with tools, mechanicals, etc.

    RE: Flickering oil light -- I believe on the A6 there is a high rpm oil light and a low rpm oil light, so I'd suspect a bad sensor. You don't have the 1.8T engine so sludge should not be an issue for you.

    MODERATOR

  • Does anyone have any information,..i.e..description of the relays under the driver side dash. Here is a list of the numbers on the top of each relay-
    204
    213
    372
    389
    392
    387
    381
    267
    204
    205
  • Mr_ShiftrightMr_Shiftright CaliforniaPosts: 44,416
    year/engine size?

    MODERATOR

  • $950.00?!?!?!?

    If you truly just need the two cv boots replaced, it should not cost you anywhere near that amount. Even if you needed both of the axles replaced as well, that would still be very expensive.

    A lot of these repairs you can get done from repair shops that specialize in Bosch/OEM parts. I own a 2001 A6 2.7T with almost 140,000 miles on it. I had both of the front cv axles and boots replaced for just under $600. I'm pretty sure that the boot itself is like a $30 part.
  • i have 1998 audi 2.4 se does exactly the same thing if you solved please please please let me know regards david
  • i have a 1998 audi 2.4 that works great until the rev counter goes to zero and then i get oil pressure and abs warnings 15 mins later its all good then does same again its driving me nuts any ideas please
  • colin123- the starting problem ended up being an electrical problem. The Transmission switch was getting intermittent power. It took a trip to the local shop but it was solved. I also had a problem with the engine slowly overheating. Brought it to the same shop and i was quoted a water pump, timing belt, thermostat, and other "goodies". Brought it to a specialist who charges dirt and did the job (just the thermostat) for 150. Find one of them haha :sick:
  • : a pattern develops on my audi with abs/oil light/rev counter it is thermal that is it works find when fully cold late at night but fails when either engine or weather is warm ? how do i disconnect abs ecu to see if tacho then works apologies if i am in wropng place new to this best regards david
  • len55len55 Posts: 7
    I have a 2006 A6 and periodically get the parking brake malfunction message displayed along with a loud warning sound (which keeps repeating). This only happens when I am driving and the cruise control is engaged and has been in use for several hundred miles. I have taken it into service several times. They see the messages recorded in the log but have checked out the parking brake and there are no problems. If I turn off the cruise control then the warning message goes away. Service cannot find the cause of the problem. Has anyone had a similar problem? Does anyone have any suggestions? Could this be a problem with the cruise control? Or with the parking brake sensor? Or the computer?
  • treplying to myself in case anyone ha similar prob now know fault is in abs electonics attatched to pump this fault is definately thermal if i spray with freezer can fault goes away in 1 minute will post again with likely culprit and to let know when problem gone if anyone watching let me know can post more specific info if required
  • I own an Audi A6 2.0 TDI. Sometimes, (once a week or so), the engine revs by itself to 1500rpm without any reason. The gearbox is 7 speed auto. This may take from 10 to 20 mins. When you brake and slow down to almost a halt, the engine rpm drops to 1000 (not 900 which is the normal revs). Any idea what is wrong?
  • Paul,

    Thank you for your response..........

    Here goes.... Bought the car with 46k miles.

    Car has 48k miles and had the following problems:

    Hazard switch kept falling out of dash - replaced
    Right B-Pillar AC vent not blowing - replaced
    http://www.youtube.com/watch?v=MkG60oRDmmQ - that was the cold start noise I was hearing.

    That was the beginning of my woes. Initial dealer I bought it from, I will keep them unnamed at this point, stated they could not fix that problem because it did not trip a computer fault. Mind you, they reproduced that sound, even in my presence. Their conclusion - wait till the part breaks so they can replace it. 70mph on the highway and THAT part breaks, I can't say that would be a nice thought. None-the-less that is what they told me.

    Brought it back to that dealer at least 5 times when the noise was getting worse and more frequent, they told me the same thing. Frustration doesn't begin to describe my feelings at that time.

    Brought it to another dealer, they also could not trip any computer faults. Difference here? They told me they needed to keep the car overnight to reproduce the sound and single out the part that was causing the problem. They found a hole in the exhaust manifold(somewhere) which was caused by rust. Replaced that part which fixed THAT noise, total cost $2,000+ which would not have been covered by CPO, 2k more miles and I would have had to foot the bill.

    Now, with that fixed they heard another noise which was attributed to a worn timing chain tensioner? My car is on lifts, engine and tranny out. Can't imagine the cost of parts and labor on this.

    So far I am very pleased with this dealer as they are at least trying to fix the problem.

    Oh yeah, my bluetooth is working on/off. Every 10 or so connects I get a "telephone notes" screen on the MMI display and lose entire control over the telephone. I hope this dealer at least updates my MMI which would hopefully fix the issue.

    Suspension is VERY noise over rough roads.

    Car lurches in second gear at about 15mph when I ease of the accelerator.

    That car is beautiful, is very solid and is very stable at +60mph. If all of these issues are resolved and no other appear, I would be a very happy customer as this is my first venture into the 4 ring world. I am not trying to cause any wars or anything but, I have had 3 BMW's, 1 - 335i(52k miles), 1 328ci(82k miles sold), M5 (62k miles) with not 1 issue.
  • Is there any site for Audi A6 Repair Manual (2001) on the net?

    Where is the temperature sensor located for Audi a6 2.7 Quattro?

    Thanks

    Subhash Sen
  • Can anyone tell me how to remove my climate control module? I have the stereo out but can't seem to find a way to remove the cover plate to get to the module???
  • Mr_ShiftrightMr_Shiftright CaliforniaPosts: 44,416
    Looks like it's in a coolant pipe, left rear of engine behind intake manifold.

    For a manual you might try:

    1. www.helminc.com

    2. public library

    3. eBay

    4. www.amazon.com

    MODERATOR

  • Mr_ShiftrightMr_Shiftright CaliforniaPosts: 44,416
    You mean the AC control head? You carefully pry off the trim plate and then there are two screws to undo the control head from the console and then pry up the tabs to remove the connector from the control head.

    MODERATOR

  • Has anyone changed the dash lights in an A6? Most of mine have burnt out and it is getting hard to see the speedo at night. Is this a hard project since I know Audi doesn't make anything simple???
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