and i am about to do cam tensioner seal replacement and i read somewhere that before i start to loosen cam adjuster with 3366, i need to make sure that i am at TDC. how do i go about doing that? the TDC that is.

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2001 A6 2.7T
tiptronic
diy: brakes, o2 sensors, hazard relay, xm install

Are you looking for a different answer than you got 5 days ago? If there was a specific part of my answer that was confusing, let me know and I'll try to clarify.

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2000 A6 2.7T 6sp MT
Ebony Pearl/Tungsten

www.ecstuning.com

what i mean is , do i have to remove front bumper and all to get to crankshaft?

__________________
2001 A6 2.7T
tiptronic
diy: brakes, o2 sensors, hazard relay, xm install

If you are doing your valve cover gaskets and camchain tensioner gaskets, you don't need to remove your front bumper.

You just need to remove the belly pan. After that, you can get a wrench on the crank pulley bolt.

Scroll through this link - there's a good picture -

http://forums.audiworld.com/a6/msgs/616641.phtml

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2000 A6 2.7T 6sp MT
Ebony Pearl/Tungsten

thanks mpw2.7t. good info.

__________________
2001 A6 2.7T
tiptronic
diy: brakes, o2 sensors, hazard relay, xm install