should I clean pistons/cylinder tops ...

[Huw Powell]

> If they are really carbon-ed up, and I assume the engine block is still in
> the car...a simple, gentle way to remove the carbon is to fill the
> cylinders with ATF and let sit for 24 hours. The high detergency will
> loosen and dissolve the carbon. Then remove the ATF.

I think then an oil change would be in order as well.

More on this:

http://www.humanspeakers.com/audi/tricks.htm#flush

culled from list emails

--
Huw Powell

http://www.humanspeakers.com/audi/

http://www.humanthoughts.org/