Fix or replace oil pan on A6 Avant Quattro

[Geraint Lloyd]

I second John's point about never being able to get a
good weld, but it
looks like your leaning towards the $115 replacement
sump anyway.
welding with sticks may be a good way to reduce the
leak if you find
yourself in the @rse end of nowhere.............
changing the sump also lets you remove the accumulated
gunge in there.
no matter how well maintained the car is, there will
always be some
gunge in the sump.
SOME does not necessarily mean LOTS. I will pull the
sump off mine at
least once every 3 years or so....

saying that though, there is a nutter in north
montreal who has an old
saab 900 which suffered much the same fate.
As far as I understand it, "one" covered the whole of
the drain plug
area with some fibreglass body filler a few years ago
and it is still
holding
the only problem is that he has to use a suction
device down the
dipstick tube to change the oil..................
Louis Alain may have something to add to that

Geraint

John Larson wrote:
> You said:  "I was actually looking at that stuff.
There are a couple of 
> brands, one
> being HTS-2000 at aluminumfix.com, and the other
being durafix
> (durafix.com). HTS2000 is more expensive at $65 for
1lb of rods, and durafix
> being $34 for 1lb. I considered one of these options
just so I'd have the
> rods for other aluminum repair work, but I think for
a critical component
> like the oil pan I'm leaning a bit more towards
replacement. I'd rather not
> have a sudden loss of oil and end up with a
catastrophic failure of my
> engine, as it's already got a whole lot of miles on
it and is probably a
> little tired as it is."
>
> Kevin
>
> How would you EVER get the pan clean enough to weld?
  It takes a LOT of 
> work for my welding guy to get one clean enough OFF
the car, including a 
> trip through the giant mechanized parts washer,
preheating the work to 
> get any left over oil to ooze out, and rewashing the
small area with 
> various degreasers.  John
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