Question about 2004 Jeep Wrangler
It could be a thermostat that is only opening partially or, the radiator may need to be flushed. Radiators on Jeeps are nearly too small for the application and are very sensitive to blockages. When the engine is loaded such as going up hill, is generally where any deficit in the radiator becomes evident. Some increase in temp is normal when pulling up a long grade and with a 50/50 antifreeze mix it should not boil over unless it gets very hot.
215 degrees is about 5 degrees hotter than it should be around town. "normal" is about 210, sometimes a bit less.
Posted on Aug 24, 2010
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Posted on Jan 02, 2017
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