1990 200 TQ Overheat problem

[John S. Lagnese]

Were the wires reversed on the sending unit in the radiator? It may be wired
to turn on at the higher setting.
----- Original Message ----- 
From: "KWSTURTZ" <syfer at mindspring.com>
To: "Audi List" <quattro at audifans.com>
Sent: Sunday, August 07, 2005 10:50 PM
Subject: 1990 200 TQ Overheat problem


> My Audi Quarto 200 overheats and the fan does not come on to cool until
> 2 late(3/4 of temp gauge)  and does not stay on long enough to cool it
> bellow boiling i drive on freeway i can keep it cool until i get into a
> traffic jam , Come to find out if i turn on heater THEN (no mater if
> overheat or not )the  engine / radiator cooling fan comes on and it runs
> like a champ 1/4 -1/3  on the temp gage at all times.  So what i think i
> need to know is how to make the fan run properly without having to turn
> on the heater.  Work done on  car in last 120 days is  new head, new
> water pump,   new  radiator and  new cooling fan. All reply's greatly
> appreciated.
>
> Majic
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