[s-cars] Strange water temp behavior

[Jan Nielsen]

I Had the same problem on my S6 when i bought it.. just changed the
thermostat and everything was good,

Jan Nielsen


----- Original Message -----
From: "Vincent Frégeac" <vfregeac at sympatico.ca>
To: "'Scar'" <s-car-list at audifans.com>
Sent: Sunday, July 07, 2002 7:02 PM
Subject: [s-cars] Strange water temp behavior


> Water temp stay just above the three thick line on my gauge: T-Stat or
MFTS,
> right?
> But in heavy traffic, the water temp goes just above the 90C mark: MFTS is
> OK, should be the T-Stat, right?
> But, any time except during hard driving, the oil temp stay just above the
> 90C mark, whatever the water temp gauge says, so what?
>
> I had exactly the same problem on my 90Q20V. I first changed the MFTS as I
> also had erratic reading. The water temp came back to 90C for a few weeks
> then fall down to the same place, the first 3 thick line on the highway w/
> lower reading on cold weather. So I changed the T-stat. Nothing changed.
And
> during all these changes, the oil reading stay exactly at the same place,
> just above 90C.
>
> I don't want to start all over again with the S6 with the same result, ie
> nothing. The Audi dealer said the gauge needs calibrating but, you know,
> it's an Audi dealer. If the gauge was so bad, why would I have exactly the
> right reading, 2mm above 90C when I let the car idling for a while.
>
> I don't like to see the water temp saying the motor is too cold, w/ all
the
> effect on the head life-time, cat, and mpg. But I don't want to waste time
> and money on parts which are just fine and the oil temp says everyting is
> OK. I'm really puzzled.
>
> Any help?
>
>
>
> Vincent.
>
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