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    2010 Avant - ESP Problem?? PLEASE HELP!

    With a 2010 you've got a "C6" so you will likely get more replies in that area. I doubt that your problem is related to the ESP, AFAIK it works by applying the brakes on individual wheels (as it does on the C5). More likely is that you are in need of wheel alignment and/or that something is...
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    Allroad - gearbox selection, shimmy, rear suspension

    For the tranny start with reading the fault codes. If the ATF fluid and filter hasn't been changed that might be a good thing to do but first verify that there isn't a serious fail in it. Be aware that running a faulty gearbox might cause excessive damage. For the wheels, carefully check so...
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    Fault codes P1411 and P1423

    No, the P indicates it's SAE "P-codes" which is Secondary air injection flow to low for bank 2 and 1 (according to the bentley manual) 17819/P1411/005137 - Ross-Tech Wiki (VAG code for P1423 is 17831) So a common error. Don't know why though, mine used to have it but it suddenly cleared...
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    Avant Boot Problem

    I'm guessing the mechanism needs cleaning and a bit of lubrication. Can be the lock itself, handle or linkage between. Or all of it.
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    Rather unexpected A6 purchase...

    On my -01 Avant there is only one fitting for a light bulb (originally sold in Germany) so single side fog light. Don't think I ever had problems with crud like that, is it reoccurring? Have yo had it parked next to a road so some other car might have dropped / splashed it on? Or when...
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    Thinking about an A6 Avant (Looking for advise)

    My auto is coming up to the 200k mile mark. AFAIK all that has been done is a change of ATF oil (and the cheap fools didn't seem to change the filter). Got some problems with high power output on the 5th gear (as in full throttle acceleration), I think it can be excused at those miles in a...
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    fuel/temp gauge problem

    IIRC you can do some checks and settings with VCDS to see if it's the gauges or senders that's causing the problem. If it's a quattro they have three sensors registering different levels of fuel, a quite common failure. Edit/addded: I think the gauges use a stepper motor or something of that...
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    2.5tdi temperature issues?

    If the engine reaches operating temp including the oil, doesn't have any overheating issues and you get enough warm air to be comfortable everything is just fine. Main problem with inefficiency is that most of the fuel we burn turns into excessive heat. In an ideal engine the radiator wouldn't...
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    Wheel colour

    Personally I like darker rims but not all black. For a light blue though, I'm not so sure. Probably either a dark "titanium"-look or very bright silver. (Dang I wish I had the same model of rims as I had on my Citroen but larger, black with five thin double spokes that was machined and...
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    Turbo Problems

    Remember that when turbo charging was introduced to cars they weren't water-cooled at all. And I'm not sure, it's my guess. But I think that is a more probable explanation then a manufacturing fault in say a bearing causing the failure. That brings me a grime thought. Check your coolant! If...
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    Turbo Problems

    My guess is that they missed a plug/seal in oil or water connections on both. Is it possible that one seized a bit earlier but without the noise thus you didn't notice it in the same way and the other still able to provide most of the boost? I do agree that it's strange that both failed...
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    Rear suspension

    Can and can... a lot easier and probably a lot cheaper to buy a quattro instead. If I'm not mistaken you'll need to replace the whole rear underside of the car including gas tank and boot floor to allow for the independent suspension.
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    Rear suspension

    I think the +/-30 is the positioning of the support-plates for the coils related to the end on the coil if I interpret the drawing correctly (I'm a machinist, not a mechanic :-) . The reason for that they don't adjust the rear toe might be that it isn't designed to be adjusted but fixed. A...
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    Rear suspension

    You really should get the car to a specialist that can do a thorough 4 wheel alignment to get all measurements and can compare them to Audi's specefications. Now I'm not an expert in this area but AFAIK the adjustments possible on that type of axle are limited compared to the individual setup on...
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    Aircon

    If the light in the button is lit it means the "Econ-mode" is active. In some cases it can't be de-activated. AFAIK you need to connect a computer to see why. The reason for this is either a fault or external cause (I don't remember if the AC lights up the Econ-mode whenn it's activated due to...
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    A6 AKE quattro jolting

    Neither sensor nor faulty oil pump should affect the oil level AFAIK. Just to be clear, procedure to check the oil level: Run the car so the engine reaches operating temperature. Park it on a flat spot (even a slight slope will affect the reading). Turn of and let it sit for 5 to 15 minutes so...
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    2.7tt v6 noise

    One simple test first: When the car is cold and with AC turned OFF so the electric fans aren't running does the sound stop? If so turn the AC back on and check if the noise starts. If it did, then go back and turn off AC again to verify that it really is one/both electric fan(s) that causes the...
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    2.7tt v6 noise

    I would suspect one of the chains, AFAIK there are three and they are tensioned by hydralic operated from the engine oil thus higher rpm gives higher pressure. Two of the chains are driven by the inlet camshafts and drive the adjustable exhaust cams. The chain for the right side is located at...