Is my '93 90CSQ running a little warm?

[Larry C Leung]

sounds like you need a radiator recore/replace.

On Sat, 7 Apr 2001 14:00:47 -0400 Kelvin <kelvin at ptdprolog.net> writes:
>Diana Johnson groused...
>
>>The temperature gauge needle used to sit at about 1/4 of the
>>scale and even on a hot day would sit a little below half way.  The
>>gauge needle on this car is usually exactly 1/2 way up the scale 
>unless
>>I'm driving on the freeway, and it's only 40 outside.  It started to
>>overheat about a week ago, so we took apart the coolant reservoir 
>and
>>found a crack.  After replacing it with a new one and tightening the
>>hoses, I really thought it would run cooler.  Am I being paranoid or
>>should I be nervous about summer?
>My '92 100CSQ runs hot if I'm stalled in traffic. At will even boil 
>over 
>in temperatures as low as freezing. Above 37 degrees F, I'm fine, 
>however, in that I can turn on the airconditioner. The radiator fans 
>run 
>continuously then and bring the temperature down to the normal 
>operating 
>range. At highway speeds I'm fine, but in stop-and-go or gridlock, I 
>have 
>to watch it. I've also replaced both temperature sensors (yes, there 
>are 
>two), the fan relays, and the thermostat (twice) but with no 
>noticeable 
>difference. So the cause still mystifies me and my mechanic. It's done 
>
>this since the car arrived at about 90,000 miles and it now has 
>127,000 
>and going strong.
>
>Kelvin Kean