[V8] Coolant Guage wackyness***Now IC board wackyness***

[Ron Wainwright]

Well thats exactly what I did...I swapped the boards.
As noted it's not a big deal to do so!
 I swapped everything & put it in the car a
vwellla...it's a sucsess Doctor..handshakes all
round....doctor doctor doctor DOCTOR..LOL

 For those who have been under a rock, I just did a
complete T-belt from the VC's to the dizzy flange
seals & everywere in between to a 90 FACTORY 5spd. I'd
like to thank Bruce a great deal for the great parts
prices & speedy delivery...Top notch!
Anyway......redid the front/rear calipers/rotors/pads,
regreased the caliper slide pins, flushed all the
fluid. Brakes were dragging, rusty, ect....replaced
the Master Cyl....

 I tell you as I noted before.....a low mileage V8
5spd is a pure pleasure to drive.

 But thanx Ingo for the RE: ;-P

 Ron



--- urq <urq at pacbell.net> wrote:

> I too have done a lot of work with the AT & MT
> versions of the cluster ...
> swapping boards isn't that big a deal IME.  I've
> also swapped gauges between
> boards ... so far only a clock, but the plan is to
> swap the speedo/odo from
> the current cluster in #344 to the MT replacement
> when I do the exchange.
> The other one that is straightforward is the
> instrument light dimmer ...
> these also seem to be weak points. 
> 
> I'm seeing similar behavior to what Ron is reporting
> on #2 ... the one with
> the 5-speed cluster.  Sometimes the coolant temp
> gauge reads dead cold and
> sometimes it reads nearly overheating ... 
> 
> Years ago there was a lister who had an e-mail of
> "whitepatch" who reported
> having a "Helm" manual for the cluster ... I tried a
> few things to get a
> copy from them, but it always ended in them telling
> me that they didn't do
> manuals for foreign cars.  I've got a 5-speed
> cluster under the knife right
> now ... guess I should go ahead and figure out the
> circuitry for the coolant
> gauge!
> 
> Has anyone here ever seen a detailed manual for the
> guts of the IC?  I doubt
> Audi dealers had them as the IC is a FRU.  
> 
> Steve B
> San José, CA (USA)
> 
> -----Original Message-----
> 
> Ron,
> 
> I did just that.  I also removed the light bulbs
> that illuminate the  
> PRND321 display.  The right side of the IC is
> actually part of the  
> whole black plastic IC gauge surround, so you can't
> just sub certain  
> parts.  You'd need to swap the circuit boards.
> 
> Ingo
> 
> On Jul 4, 2007, at 11:41 AM, Ron Wainwright wrote:
> 
> > Ok, I checked the sensors & all are fine. I did/do
> > have a spair 90 V8 Auto IC & for shit's & giggles
> I
> > pluged it in & it works as it should. Coolant
> gauge
> > stays were it should & as I let the car idle in
> the
> > driveway it climed as it should.
> >  So my question is....since the 5spd seemed to run
> all
> > the IC functions from the Auto IC you think I can
> just
> > swap the Board from the Auto to the 5spd?
> >
> >  Ron
> >
> > --- Ron Wainwright <ron_01056 at yahoo.com> wrote:
> >
> >> I'm going to look at the Sensor at the back of
> the
> >> pass side head tomorrow. I got a few good ones I
> can
> >> swap, & see what that does.
> >>
> >>  Ron
> >>
> >> --- Kneale Brownson <knealeski at sbcglobal.net>
> wrote:
> >>
> >>> I don't recall specifics, but I seem to remember
> >>> Keith providing a longish explanation of how the
> >>> gauge gets the coolant temperature report from a
> >>> couple different sensors in the coolant system.
> >>> Isn't there one on the radiator and another on
> the
> >>> back of the passenger side head?  One or both
> >> supply
> >>> the signal to the gauge in the instrument
> cluster?
> >>>
> >>> Ron Wainwright <ron_01056 at yahoo.com> wrote:
> >> Sending
> >>> Unit Kneale???
> >>>
> >>> Ron
> >>>
> >>> --- Kneale Brownson wrote:
> >>>
> >>>> How about the sending unit itself?
> >>>>
> >>>> Ron Wainwright wrote:
> >>>> Lister's, just trying to figure out if the
> >>> processor
> >>>> in the Instrument Cluster is fubar...or
> >> what......
> >>>>
> >>>> Here's what's happening....the coolant guage
> >>> needle
> >>>> was sitting at 110C..car off, cold,
> >>> hot.....doesn't
> >>>> matter. So I took the IC out & replaced the
> >>> coolant
> >>>> guage itself. I go to hook the #2 Black
> >> connector
> >>> at
> >>>> the back of the cluster & the needle goes from
> >>> 50C,
> >>>> to
> >>>> 110C. I unplug the Black #2 connector & it goes
> >>> back
> >>>> to 50C.....is the processor fubar?? wire in the
> >>>> cluster?.....any suggestions?
> 
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