Keep running hot and leaking. I have replaced thermostat and housing, radiator and electric fan. Fan will only engage when av is turned on. Fan clutch appears to be cutting on and off.


Asked by Aug 29, 2015 at 07:16 PM about the 1999 Jeep Cherokee 4 Dr Sport 4WD

Question type: Maintenance & Repair

Once temp reaches about 220 the
leak begins at radiator cap, which
has also been replaced

2 Answers


Sounds like the coolent temperature sensor is bad not telling the fan to come on when vehicle reaches operating temperature.

Tom Harmon

220F is only about 3 lbs pressure and if your using a 15lb cap there's no way it should leak. Check the mating surface make sure the surface is smooth

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