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water temp guage 'bouncing'

Posted: Fri Oct 07, 2005 4:24 pm
by Estoril
Hi,
My water temperature guage starts to 'bounce' after a period of operation (usually at least 20 minutes) but always returns to normal (about midway on the guage) after a few bounces.

I was wondering if this has been seen before and if there is an easy fix (i.e. the sender and not the guage!)

Thanks,
Darren.

Posted: Fri Oct 07, 2005 5:53 pm
by Andy_magic
I think the batteries in the SI board going can cause problems with other gauges. My fuel gauge used to flick about badly, the SI batteries were shot.

I replaced the board as I had a spare and all was sorted

Posted: Fri Oct 07, 2005 7:03 pm
by kidsinister
Could also be a bad connection/bad earth somewhere.

Posted: Fri Oct 07, 2005 7:10 pm
by tylerma
try taking the cluster out
look at the back of the temp gauge
you will see a little nut try tightening it and see if that sorts it out

worked for me

Posted: Fri Oct 07, 2005 7:15 pm
by nate
i get this problem too, ive been told its a loose earth, on a hot day its fine i think thats due to heat expanding the connection.

Posted: Fri Oct 07, 2005 11:24 pm
by Brianmoooore
Follow tylerma's advice and all will be well.

Posted: Mon Oct 10, 2005 9:12 am
by Estoril
how easy is it to remove the cluster?

Darren.

Posted: Mon Oct 10, 2005 9:20 am
by Brianmoooore
Fairly easy.
Start by removing the panel above the drivers knees, and then reach up behind to unscrew two round "nuts" that hold a little trim panel in place along the bottom of the cluster. These are designed to be removed by fingers only.
Next there are eight self tappers to remove, of varying lengths.
Ease the top of the cluster out ,so that it faces downwards on top of the column.
Release the wiring connectors by lifting up the black locking bar in the middle.
Ease the cluster to the left past the steering wheel.

Posted: Mon Oct 10, 2005 9:34 am
by Brianmoooore
See under "inspection light won't go off" for a better description .

Posted: Mon Oct 10, 2005 1:55 pm
by Estoril
thanks

Posted: Mon Apr 03, 2006 11:40 am
by Estoril
Just to ley you know that I finally managed to get the cluster out over the weekend (it didn't take long, I just hadn't had the time!).

And many thanks to Tylerma, it was indeed a loose nut on the back of the guage!

The cheapest fix I have ever done!

Thanks again.

Darren.