speedo disassembling: need help!

Konstantin Bogach kbogach at home.com
Fri Jun 22 21:07:18 EDT 2001

Sorry, I meant fuel tahometer, not odometer. But actualy, I should've asked about
fuel gauge.

Konstantin Bogach.

Konstantin Bogach wrote:

> Tony, list
> I need some help on instrument claster disassembling.  I am afraid to break
> something.
> I took off hinged cover with PC board. I took off plastic housing. What is left
> are gauges mounted on white thick plastic plates and these plates are attached
> to some board which looks like bigest PC board  in the cluster (the board into
> which bulbs are inserted).  There are some small boards are fixed here and
> there on this big board. Like board onto which LCD is attached (shall I remove
> this small board to service some contacts?).
> What is main board there?  So far I don't see square contact posts. Shall I
> detach temp gauge and odometer?
> Konstantin Bogach.
> Tony Lum wrote:
> > At 10:53 PM 6/20/2001 -0400, you wrote:
> > >Hi listers.
> > >
> > >I took dash off to get better access to instrument panel connectors. I
> > >have not idea how people could disconnect those connectors without
> > >removing whole dash! But anyway, it is 2 hours job if you do it 1st
> > >time(but know what to do).
> > >I do it cause speedo jumps plus-minus 10mph.   I have no idea what might
> > >be the reason but I had time while I wait for new rear control arm to
> > >come.  I am thinking about cleaning connectors and checking soldering in
> > >the place shown on SJM site.
> > >Can somebody add something else?
> >
> > Hi Konstantin,
> >
> > I just repaired my mother's 100 Avant with a similar bouncing
> > speedometer.  You must disassemble the instrument cluster to get to the
> > speedometer where it plugs into the main circuit board.  I resoldered all 4
> > connectors, scrapped the square contact posts on the speedo unit and
> > sprayed DeOxit5 into the molex contacts and inserted the speedo and moved
> > in and out about 5 times.  Works like a champ now.
> >
> > HTH,

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