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Showing results for tags 'coolant temp rationality'.
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we have had several discussions here about coolant temp here. i for one have had a problem keeping the temp up for quite a while. i have replaced t stats only to see them work for a short period. i finally replaced my radiator cap and that seemed to work. but about a month ago the same problem came back. i replaced the t stat again with one from napa. this one did nothing differant. on initial warm up the temp will go to 190 then drop down to about 165 and bounce around 165 and 175 in town or on the highway. it has been like that for a long time. i just installed my AD 165 and on initial start up it warms up to 190 and stays there just like it used to. what in the world would the ad install have to do with engine temp? i have got some road trips to make the next two weeks and will keep and eye on it. i havent seen 190 steady in a long time.
