[Vwdiesel] Ways of cooling an AAZ

[Pablo Moretti]

Well, I´ve fixed it, partially, now I have odometer!, inside the cluster is
all about electronics, there are no gears, I remember were used previously,
like in my previous car, a 1984 BMW. But this is all electrical. The problem
was a broken track in the main board, so I´ve put some wire bypassing that
track. It works fine, but, total odometer counts cero!!!!! it was reseted to
0? And rev couter doesn´t works, I need to connect it, so if anyone has the
color code of the wire that has to be connected to W terminal on alternator
I will be very grateful. It is a 1994 Golf (Jetta), with an AAZ engine.

Thanks

Pablo
Montevideo, Uruguay

On Thu, Oct 28, 2010 at 3:15 PM, <dieseltdi at verizon.net> wrote:

>
> The odometer is most likely a broken plastic gear.  They can be fixed with
> super glue but not always.  I had a mechanic explain why so many odometers
> in Rabbits/Golfs/Jettas were broken:  People pushing the reset button WHILE
> the car is moving.  So design problem would cause the gear to stick and then
> split.  As for the Tach, it is controlled from the W terminal on the
> alternator.  Either the wire is disconnected or broken.  It is generally not
> the tach itself although rarely there is a problem on the circuit "board"
> (actually the thin plastic sheet on the back of the cluster.  BTW, I have a
> number of diesel clusters, many of which have working odometers.  Let me
> know if you need one.  Hayden
>
> Oct 28, 2010 04:33:29 PM, pmoretti at gmail.com wrote:
>
> Well, after lots of parts changed, we took the head, tested it and there
> was
> the problem, a little scratch, so after repairing that it works at 70 - 80
> ºc.
>
> Thanks all of the forum members for the ideas.
>
> Now I need torepair the instrument cluster, as odometer and rev doesnt
> work.
> Any ideas?, its a 94 Golf (Jetta) mexican made.
>
> Pablo.
>
> On Thu, Sep 30, 2010 at 9:46 PM, wrote:
>
> > In a message dated 9/30/2010 5:15:01 AM Pacific Daylight Time,
> > pmoretti at gmail.com writes:
> >
> > > Thanks Shawn, you´re not late since I still havn´t found the cause. Now
> > > we
> > > took the turbo because the exhaust´s expert said it was not working
> > > properly. Ok, the turbo is gone, so there goes another $ 1000. So, if
> > > searching for a new turbo, not an easy job here, as soon as I have
> that,
> > > to
> > > the exhaust expert and then I expect it will work as it has to be.
> > >
> >
> > Depending on the engine management, a "bad" turbo could make
> > for a lot of extra heat, maybe clogged exhaust for even more heat.
> > Generally a turbo can be fixed for a lot less than $1000. Depends on
> > what's wrong.
> > Loren
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