Question about 2003 Jeep Liberty

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My jeep just starting to run hot and i want to try to change the thermostat but i don't see it. I follow the hose but it runs under the air cond and the alternator, how do i get to it. thank You

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  • Jeep Master
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The thermostat on this vehicle is located on the lower rad hose at the engine end of hose..small plastic housing with 2 bolts..make sure you remove coolant bleed plug at top of engine before you refill system..make sure cooling fan is working properly also

Posted on May 17, 2009

  • Robert Debison May 17, 2009

    the thermostat on this vehicle is located on the lower rad hose at the engine end of hose..small plastic housing with 2 bolts..make sure you remove coolant bleed plug at top of engine before you refill system..make sure cooling fan is working properly also

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1 Answer

OK heres another one on same Cherokee....back flushed the heater core...changed thermostat and still blowing lukewarm heat... 3 people said sounds like a cracked head or head gasket but wouldn&#39


you are air locked in the heater core you will have to remove one heater hose and fill anti freeze into that hose until coolant runs out of the open nipple then put hose back on fast top off coolant start engine run til both hoses are hot for heater core..if only one is hot coolant is not circulating

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soun ds like heater core is plugged. did you try back flushing the system?

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Air cond. don't leak onto the ground


If you mean the condensation water from the a/c - the drain tube is probably gunked up.
There is a small tube or hose near the passenger floorboard that the water drains thru. You should be able to see if from under the truck.

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I put a new water pump on and my jeep and it still runs hot what can i do to stop it from running hot


Change the thermostat. Depending on the models it might just be 10 or less. Should sit on top. Follow the top hose from your radiator to the engine and you will see where the hose stops. Right there is your thermostat. You need to make sure you get one tha thas a gasket. Easy thing to do yourself with minimal tools. Good luck

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2002 Jeep Liberty started to overheat after changing coolant hoses and refilling system.Should I replace the Thermostat?


most likely you have air in the system and need to get air out remove radiator cap and let engine run till it gets hot.

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When heat control is set to max hot and fan speed at max, air is slightly cool to warm, not hot.


check the coolant hoses going into the heater core. they are the hoses running through the firewall under the hood. if they are both hot, you way have a heater core blockage. a heater core flush should solve this. if it does, you should follow up with a complete cooling system flush.

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My 1994 jeep grand cherokee laredo is running hot


could be a lot of different things. bad heater core, cracked, ripped, or soft hoses, crack in the radiator, bad thermostat, clogged lines. next time you run the vehicle, try to see if you can see under the hood to see where the steam is coming from. that will help you to see if there is a bad line or hose. then try to flush the radiator to see if there is a clog in the lines. then go to get a new thermostat if none of those. then you get into the more expensive items the heater core and the radiator.

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1 Answer

Overheating jeep cherokee 1991


sounds like you have a airlock or air in the system. i had the same problem. there is two hoses that run along the value cover. undo the top one and plug it with a screw driver or something. then the other hose the one that runs to your water pump you need to install a T on it that you can attach a garden hose too. turn the hose on full blast. the water should come shooting on the engine where you disconnecting the hose. let the hose run for about 15mins or so. i jumped on the bumber a bit to shake the jeep. just to make sure all the air comes out. the point of this is that this is the highest point on the engine. so the water should force any air out. jeeps are bad for this any air in the system really messes things up. the transmission thing has nothing to do with this. good luck

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How often has the coolant been changed? My only guess is that it hasn't and the hoses and the heater core are plugged up with goo and a flush is needed

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You need to make sure you don’t have an air lock. Find the bleeder valve for the coolant system and release the air. If you can’t find the bleeder, find the highest hose for the coolant system and make sure coolant is flowing through it.

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