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Date: Fri, 28 Nov 2003 22:45:38 +0100
From: Wido van Krieken <widonopsamdonline.nl>
Subject: Re: Saab 9000: temp gauge needle jumps unsteady


If I drive in the city the needle stays steady at 1/3. If I drive steady at 80 km/hour the needle drops till 1/4 or 1/5 (just above blue area). It now never stays at 1/3 at this speed. Grunff wrote: > Wido van Krieken wrote: > > > The temp gauge needle is jumping from 1/4 to 1/5 to 1/3 and so on. > > Sometimes it is steady for a while. But some > > days it remains real low. The thermostat and sensor are already > > replaced. > > > > Also the heating inside has a great influence on the needle... > > > > What can cause this unsteady behaviour? > > If it's changing quickly, or jumping, then the two most likely > causes are: > > [a] A poor conection seither at the temperature sender or at the > instrument panel > > [b] Air bubbles in the system > > When did this start? Was it just after you did some other work? > > -- > Grunff

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