I have a '01Jeep grand Cherokee running really hot when I idle????? Radiator prob or is it the thermostat?

Asked by Aug 09, 2013 at 11:50 AM about the 2001 Jeep Grand Cherokee Laredo 4WD

Question type: Maintenance & Repair

3 Answers

96,155

It could be a that the water pump impellers are worn. Does the temperature drop when the Jeep is driven?

yes

7,495

im assuming it has a 6cyl. eng. as 4.7 uses the p/s pump to run fan. the relay or fan is prob. bad. the relay is located inside ft.bumpercover under rt. headlamp. turn a/c on and see if fan comes on. if not, ck for power and ground at the fan connector at pass. side of fan shroud. if you dont have power to fan, odds are relay is bad. you can also hook up direct batt. voltage to fan with wires to test fan. to get to relay, you can remove rt. headlamp an cut a hole through the plastic UNDER the headlamp.( i believe it is part of the core support.) Make hole more toward rear of vehc. or remove the bumper cover.I hope this helps....

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