Quote:
Originally Posted by tone40
Sounds counter productive, but it turns on the radiator cooling fan. I do that all the time when I drive in stop and go traffic. It works.
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I've done this too. My car sits on the rightmost edge of the 0 in 180 in hot weather in heavy traffic, but will go down if I turn on the AC.
The low temp thermostat is a good idea IMO (haven't done it yet myself), but I suspect it won't help lower your coolant temps - just delay the system's reaching max temperature. I actually noticed my temperatures go down a bit after cleaning my radiators. 3rd radiator is probably the best permanent fix, if you think it's a problem to begin with.