Audi A6 Quattro Questions

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I've had the car inspected by 2 different mechanics and both said that the blower resistor was the issue to my ac not working. They both want to charge me $275 to fix it but I found the same part on Amazon for $20. I wanted to see if this is something I can do on my own?
my is an audi a6 1999 model, i want to locate the engine control unite
I am planning to buy 2006,2007 or 2008 Audi A6 3.2 quatro and my question is -timing belt or chain and when is a time for replacement, what is tipicaly parts price and labor.
less than 30000 miles, the front tires were worn out on the edge and both front tires had to be replaced. Tire pressures are maintained at 33 PSI or 32 Psi.
Do I need to have toe and camber adjustment? Thank you
My ignition was changed can I used my old key for my car
Recently bought Audi A6 2.7tt and the heater does not get hot. A/C is very cold but heat into the car and rear window heater doesn't seem to be working correctly
I let it run for about 15-20 mins then start driving. It will slowly get to normal temp. No leaks, antifreeze clean and at level. ? 79k miles on it.
No matter how fast or
At highway speeds there is no apparent loss of cooling, but at stops or slow speeds there is a definite reduction or loss of cold air.
What seems to make the problem better or worse? Highway speeds appears to elliminate the problem.
How long have you had this problem? About six months

How long have you had this problem? The car is new to me. I didn't notice the noise on the test drive.
Hi, I'm just trying to buy a parts car for my 2003 Audi A6 3.0L Quattro. I found a 2001 Audi A6 4.2L Quattro with motor problems. My car was in a minor front end accident before I bought it so I'm just trying to replace the Front Bumper, Headlight Mounts (Screws, plastic mounting surface, etc), Fog light harness, and a lot of interior parts (plastic pieces for window controls, cup holders, etc). Would this be a good vehicle to buy as a parts car for this instance?
Is there a formula for increase in repair costs? i.e. for every 10,000 miles do repair costs increase 10%?, 20%?
I can drive perfectly fine once I have shifted into drive but once I stop I have to shift back down to 1st gear otherwise the car will not drive and it will just make a revving noise but not move unless I am in 1st gear then I will shift back into drive and be fine until I have to stop again. What would be the cause of this ?
Always and only to the right
neither door swich or remote will open it
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