Clogged radiator?

[cobram at juno.com]

 "Sami" <aquarius_7_2 at hotmail.com> writes:

> I have an Audi 200 TA -88 and the problem is high temperature.
> 
> During city-drive the temperature gauge goes up to 105-110C 
> (221-230F)  before the fan's 2nd speed comes on. In highway the
temperature is 
> between  90 and 100C (194-212F) The gauge shows correct temperature
(tested 

Sounds about right to me, thermostat is only at full aperture at about
215 degrees.  IF you're getting a boil over condition, the reservoir cap
would be the first suspect.

> with  external thermometer). I have changed the thermo
switch,thermostat 
> and water  pump and I cannot think any other possibility than the
radiator 
> (about 600$,  WHEE!!). Has anybody tried the radiator cleaning
stuff...is it worth 
> of  money?

Are you going to fly over to Germany to pick one up??  I just replaced
the radiator in the 1990 200TQA-$124 including delivery.  Check the
archives, plenty of info on radiators etc. in recent threads.

BCNU,
Cobram at Juno.Com
http://www.geocities.com/cobramsri/index.html

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