Re: ur-q fluctuating temperature

[Dave Eaton <dave.eaton@minedu.govt.nz>]

same with the 20v in my experience...

when you get the flashing chevrons, this indicates coolant level.  what you
describe i encountered when i re-filled coolant without bleeding.

dave
'95 rs2
'90 ur-q

>
>> I am getting some funny readings on my 88 (MB) Urquattro coolant temp
>> (digital) gauge.  The temp will rise very quickly (couple of minutes city
>> driving, 10 deg C ambient) to the middle ("N") of the gauge, and then all
>> of a sudden rocket to "H" and start flashing.  As soon as I start moving,
>> the temp will drop from max. to N in about 5 seconds.  If I stop and rev
>> the engine, it will go back up to H in a couple of seconds.  Hmmm...
>
>The coolant system has not been bled.  I _think_ this is an "MB unique"
>issue - I always fill the system normally and then trickle coolant
>into the small hole in the top of the main radiator.  It helps if the
>front of the car is slightly higher than the rear.  Take care torquing
>the brass plug into the top of the radiator.
>
>The book says it's enough to have the engine running while filling the
>coolant.  The book is wrong.
>