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  1. Tux

    2004 Rubicon 4.0L Running Cool

    As opposed to everything I have been able to find here and on Google, my TJ is running too cool, not overheating. 2004 Rubicon TJ, 4.0L, manual trans, purchased new in '04. Hit 65K miles and decided to do some preventive maintenance. Drained coolant, replaced all hoses, pump and thermostat...