Changing the alternator itself is the easiest of tasks on the A6. It's getting to it that is a problem.
Here is how.
Disconnect the headlight connections the remove the headlamps.
Disconnect the water hoses between engine and radiator.
Remove transmission cooler pipes from radiator. (You have to plug these somehow to prevent loss of ATF and dirt contamination)
Remove spot light covers from bumper. Look under there and you will see 2 alled bolts fixing the bumper to the chassis. Undo these.
Next remove the bumper bolts on the fenders whichn yo can only reach through the headlight holes.
Ease out the grille and disconnect any wiring that could be strained especially the one on the radiator lower hose.
Pull the right side of tf the bumper out more to see the alternator. You do not have to remove air con pipes, just un-hook any hangers.
You need a 17mm socket and power bar to remove the serpentine belt then you undo the 2 bolts attaching alternator to motor and the 2 elecric cables to the alternator.
SOURCE: Audi A6 Misfires
You may have a coil pack going bad. They're on the front top of the engine - you'll see them if you follow the spark plug wires back. Do you have any codes from having the engine scanned? If you can get it scanned (AutoZone will do it free), post the codes up and we'll see which cylinder(s) are misfiring. From there, you can swap coilpacks around and see whether the misfires follow the packs or stay in the original cylinders. If they move, you have a bad coil pack or two. If they don't, since you've already changed plugs and wires, I'd see about having the injectors diagnosed to see if any of them are failing.
SOURCE: audi timing belt
It's a complicated job, and usually takes about 8 hours to do the full service if you're familiar with the car's mechanicals, you have a good array of tools (air tools help a lot), you're familiar with what you're doing, and with how to disassemble everything (including removing the front of the car - I'm not joking). There's more to the job than just the belt too - you need to replace the timing belt, timing tensioner, water pump, thermostat, serpentine belt, and serpentine tensioner. If your cam seals are leaking (which is also known to happen), you'd need those and plan for a couple more hours as well, due to the care that must be taken not to scratch or score the cam end caps.
SOURCE: how do i change time on clock on 2005 audi a6 quattro s line
I think I can help you. I just did this on mine yesterday because my clock runs a few minutes fast each month. It was somewhere bizarre - sorry I'm not near the car to be more clear. I think I picked Sound, Settings and for some odd reason, it was there, rather than in Car, Settings. NOOO - it was in Tuning - click the AM/FM button, then Settings. I've only had it for a few months, but you'd think I'd have that one figured out due to re-setting it.
-maria
SOURCE: How To Change Rear Brake Pads on Audi A6 2006
Remove the tires, Remove the calaper bolts, (small heads on them 12mm or so) Remove calaper, Pads are setting in a holder. Lube new pads with litheum grease and place in holder. (look at old pads, one or both may have small metel tab on one end) If the new pads have the tab, put that pad where the old pad with the tab was. (ie. tab to the inside) Press pistion in with a 'C' clamp. If it won't go in easly, it may screw in. If the parking brake cable is hooked to the calaper, it probly screws in. Use large pliers to screw in calaper piston. Place calaper over pads and install bolts (lube bolts) Rember to pump brakes befor driving . to get a solid peddle.
SOURCE: how to reset oil change light on a audi 2008 a6
Hi my name is mike ! on your vehicle the change oil light has to be reset by a scanner with european software ,it will have to be done at a shop ,most every audi that we work on at the shop I work at has to be done this way ,hope this has helped you !
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