she starts, she won't run - 1990 200QA (very long) - update 4 or 5

[Tony Hoffman]

I'd go with the headgasket. Here is why, there are three things that can get
mixed together, and they don't necessarilly all mix, or go back and forth
for that matter. Oil, Coolant, and Compression. I've seen just about every
combination possible over the years.
You can simply have oil going into your combustion chambers and out form
there, in this case.

My .02,

Tony Hoffman



On 3/4/07, David Michael <adavidmichael at gmail.com> wrote:
>
> Well, the saga continues.
>
> I spend many hours running various diagnostics on the car to figure out
> what
> the mechanic did to it it make it run so badly. Many thanks to Ben Swann
> with whom I exchanged many PM regarding the various tests. He has been
> very
> helpful and very patient.
>
> But it is all somewhat for naught. The car has either  a blown head gasket
> or blown turbo bearings. While running, it blows great clouds of bluish
> white (mostly white)  smoke out the tailpipe. It also has a coating
> of  "foamy whitish milk chocolate" oil film on the inside of the tailpipe.
> I
> would conclude it's a blown head gasket EXCEPT that I just pressure tested
> the cooling system  and it held 15psi pressure for over two hours with no
> decrease in pressure. The smoke starts immediately  - the  cooling system
> need not build pressure.
>
> I took some video of the smoke and goo - is there  a good Audi site where
> I
> could post them?
>
> No matter what is wrong, I will need to decide if I am going to fix it, or
> sell the car as is. Of course fixing would require finding a competent
> mechanic, since do not have the time to either the HG OR turbo....I am
> very
> bummed - Its been my wifes daily driver for over 10 years, and we've put
> 100k miles on it....
>
> But, it looks like its time to move on.......
>
> Dave
> 90 200A 220K Badly mistreaded
> 98 M3/4 92K
> 02 MCS 32K
> 07 EXL 4WD 0.227 K
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