[s-cars] RE: Fumoto

[Steve Powers]

dissimilar metal corrosion due to cathodic action would be my guess.
aluminum (oil pan) and steel (drain plug) don't play well together.

Steve


On Thu, 10 Mar 2005 16:44:13 -0500, Rich Beebe <rich at beebecomm.com> wrote:
> From: Keith Maddock <keith.maddock at gmail.com>
> 
> > I've got mine sitting in a box, and should get it put in next oil
> > change, as the last oil change we nearly didn't get the plug out!
> > (Had to go get the beefiest impact wrench in the shop!)
> 
> as someone that's relatively new to audis, can someone explain
> why this drain plug is such a pita to get out? i've never run
> across a car that had such a problem with a simple drain plug
> before. it's not as if they seize up over years of time - it's
> an oil drain plug. i just can't understand why they seize up
> so badly and this valve is used by so many people here. more
> curious than anything.
> 
> rich
> 
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