Question about 2002 Jeep Liberty

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No water to top radiator hose, does not overheat but bottom hose is stays cool

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Sounds like a clogged radiator if there's no water to the top hose, also I would replace your thermostat just in case. What you can do is run your car till it get warm , shut it off, and feel all of your radiator with your hand to see if some parts are cold, then it's a clogged radiator. but it should overheat also check your coolant temp sensor to make sure it's correct. Also just look at the motor and feel it, if it's extremely hot and cannot touch it, then it's overheating.

Posted on Oct 08, 2009

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Hi my camry 300sei boil the water out but the haetgage seems ok when I open the rediotor cep the water is empy and the car is warm can u please help!!!!

When cold fill the radiator with water and leave the cap off. Make sure that you have all the air out.
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I have a 2002 Jeep Liberty Sport, 3.7L that continues to overheat. The problem only seems to occur when I drive for 20 minutes or more, and above 65mph. It does not overheat when I drive in town at 35-40...

I had a similar problem with my 2006 Dodge Dakota cooling system. After the same tests and replacements you mentioned, the dealership replaced the radiator with a new radiator and the cooling problems disappeared. Apparently there was a defect internal to the radiator that did not let the radiator provide maximum cooling at higher temperatures. Hope this helps.

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Okay sounds like you have a clog within the system, first of all, drain the whole cooling system, run clean water thought the top of the radiator, look to see when the water comes out nice clear, replace the lower hose if you have a petcock close that, refill the top of the radiator, until it is full, start the engine, with engine running turn your heater, let the car warm a little, then reopen the petcock or loosen the lower hose and let the water draw out a little until is pouring out nice and fast, then re-close the petcock and stop the engine.
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Overheating until I put on heater

Sounds like the thermostat. To make sure, warm up the engine and feel the top radiator hose...if it's not hot then the thermostat is not opening correctly.

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1995 Chrysler Cirrus overheating

Probably not water pump. Engine is notourious for vapour lock.
Cooling system must be blead of air before thermostat will work. Cool bottom rad hose is a dead give away. If you are still watching this forum reply , and I will walk you through the only way I know how to make it work properly. It's actually easy if you do it my way. I have worked on lots of cars , and this engine was the hardest to bleed out. Did one Yesterday , and works perfect.

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Radiator problems

it may be a little off, but the lower water hose seldom gets very hot,, as its this hose that suplyes the engine with ""cold water"" the hot water comes out the top hose,, drains down the rad and cools on the way down then enters the engine through the bottom hose """if your engine stayes running in the normal place on the gage,,,and not over heating""" why are you spending money for nothing???""
you wont get the bottom hose to run hot unless the engine is cooking

Oct 30, 2009 | 2001 Chevrolet Tracker

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If the thermostat doesnt open hoses can **** in on them selfs Watch hoses while at operating temperature and rev the vehicle while watching the radiator hoses,top and bottom,to see if they stay normal.The bottom hose usualy has a steel inner winding to stop water pump from sucking hose in but have seen these corrode and collapse.I think you should replace the thermostat first and check that the fans are cooling the radiator correctly.Also check the accuracy of the water sensor that sends the signal to your dash gauge to make sure its not a simple sensor fault.Generaly a water pump will not give problems until it starts to leak.Have you bled the water system as air locks can cause your problem as well.good luck

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What could it be

Hi, I think you have an airlock in the pump,You need to drain the water totaly when stone cold.Drain radiator and disconect hoses from waterpump and top hose from themostat. Reconect pump hose and add water slowly into radiator through top hose untill rad is full then squeeze bottom hose vigourously,You ll feel the water tension in the hose, Connect all hoses and top up water level. This must be done cold as hot and cold water will cause an airlock. Hope this helps you out.All the best.Phil

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