halokilller Posted November 5, 2013 Share Posted November 5, 2013 My l28et was running around 180 degrees normally when the temperature would start to spike randomly. It would reach upwards of 210+ degrees. I just replaced the thermostat with a nissan oem 180 degree unit and it holds the temperature steady but around 185 or so on my aftermarket temp guage. When going up hill, it will get up to 190 which makes me uncomfortable. How should I test my temperature guage and should I be worried about these temps. Quote Link to comment Share on other sites More sharing options...
Tony D Posted November 5, 2013 Share Posted November 5, 2013 Have you read the engine cooling sticky in the FAQ? Quote Link to comment Share on other sites More sharing options...
skirkland1980 Posted November 6, 2013 Share Posted November 6, 2013 If you have an infrared thermometer you can check for inconsistant temps in the radiator. Also the front cover could have pitting under the water pump. Quote Link to comment Share on other sites More sharing options...
halokilller Posted November 8, 2013 Author Share Posted November 8, 2013 I did switch from a aftermarket 180 degree to a oem 180 degree tstat which has a 30% larger opening. Was the smaller opening helping keep the coolant in the radiator longer so that it can cool off better? Quote Link to comment Share on other sites More sharing options...
skirkland1980 Posted November 8, 2013 Share Posted November 8, 2013 I wouldn't think so. If you have the water pump off you may have significant pitting in the front cover. How old is the radiator? It could be clogged with chunks of rust scale. 210 isn't bad but I understand you want it to run cooler. Quote Link to comment Share on other sites More sharing options...
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