Question about 1999 Jeep Cherokee

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  • mc01 May 11, 2010

    Is it coming out of the hose when undone, or is it coming off the outside of the hose?



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Sounds like possible radiator leak spraying coolant forward advise pressure test of cooling system

Posted on May 10, 2010


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2003 Ford Explorer sport is losing all the water from radiator

3 ways of loosing the coolant/water search for leak -hole in radiator,hoses at connections or damaged,water pump,heater core and hoses //blown head gasket coolant being burnt will show white smoke out tail pipe ,oil will show milky cocoa color ---//transmission oil cooler lines have internal damage in radiator and transmission has fluid draining

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1998 cherokee jeep over heating.took out thermostat changed water pump hoses raditator water seems to not be flowing into block

thermostat in backwards.the part that senses temperature change isn't exposed to the hot coolant inside the engine. , or coolent passages clogged, here is what sometimes will happen:


They can and will totally clog up, try to flush the system if not too far clogged.

Dec 17, 2013 | 1998 Jeep Cherokee

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If you mix the old green antifreeze with the new type, will it gum up and cause the car to overheat

new radiator? any white ish smoke? usually, headgasket problems, but if you replaced water pump, hoses, and thermostat the last should be radiator,

Aug 03, 2012 | Cars & Trucks

1 Answer

My 1998 jeep grand cherokee is running hot and leaking water, is the water pump bad?

well first i would check all the water hoses in the engine compartment for cracks and leaks then check around the radiater for leaks if you don't see any water leaking from the hoses or the radiater then try to see if you see water coming from the water pump behind the cooling fan if the water is leaking from behind the cooling fan then it is most likely your water pump

Jul 15, 2011 | 1998 Jeep Grand Cherokee

1 Answer

My truck is overheating very badly and it smells like coolant. The radiator is smoking. The belt and fan are turning. What could be the issue? It runs at higher idol then normal and my collant light turns...

Most likely with the radiator smoking, the radiator itself has a small crack or hole. Again it could be a bad hose spraying the coolant out. Usually if the water pump goes out it has a weep hole that will start leaking.Check the radiator over good and the hoses.

Aug 24, 2010 | 1984 Chevrolet S-10

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Location of water pump on 1995 Jeep Cherokee

front of engine behind pully see water hose on top of radiator follow hose and you have found the pump.

Jul 14, 2010 | 1995 Jeep Cherokee

1 Answer

The temp gauge on the instrument panel was

Sounds like the radiator is clogged, have the cooling system flushed, the water pump pumps water into the engine and it comes out the top hose to return to the radiator to circulate through it to cool, if the radiator is clogged the water pressure will build on the top hose, also look at the bottom radiator hose, if it collapses when you rev the engine the radiator is clogged, although sometimes the bottom hoses are reinforced with wire to prevent them from collapsing so just because they do not collapse it does not mean the radiator is not clogged.

Mar 01, 2010 | 2000 Jeep Grand Cherokee

1 Answer

While driving jeep started running hot. water poured out of the reserve and now it wont start

First thing you need to do is let it cool down and re-fill the radiator (do this with the heater on high heat to eliminate air binding). Then look for leaks...All hoses, fittings pump, radiator or anything coolant goes through are suspect 'till you narrow it down. Thermostats don't fail very often but do become unreliable after an overheat. I'd change that right away if only as a precaution. If nothing is leaking, then check that the electric fan is working and that the radiator is not plugged up. Any white smoke from tailpipe tells you you have a head gasket problem (some smoke is normal on very cold days but it should not be excessive) If the water pump is not binding, noisy or leaking, don't replace it. They will actually work even with a bad bearing or seal. As long as it looks good from the outside it is good.
After you determine what failed and have repaired it, don't forget to add the right mix of coolant...too much or too little will change both the freeze and boil points. I ginerallyuse water while testing though only becauseit's cheaper, but it can't sit overnight in the cold or you will likely have it freeze on you!
Good Luck!!

Feb 13, 2010 | 1998 Jeep Cherokee

1 Answer

How to change out thermostat on 2002 jeep liberty? Do I have to remove the water pump?

You don't need to remove the water pump. The thermostat is located under a housing, at the engine end of the upper radiator hose.

All you need to do is drain your radiator, remove the upper radiator hose, and remove the thermostat housing. Clean it up well, and replace all gaskets before reinstalling!

Nov 30, 2009 | 2002 Jeep Liberty

1 Answer

I replaced the water pump and thermostat in my sons 1998 Jeep. It has a 4.0L and the water pump out let hose back into the radiator sits several inches higher than the radiator. This is causing a air lock....

4.0 engines aren't really prone to air locks. Keep the heater on high while re-filling. If you have an overheating problem and you can't get the radiator to fill fast enough, likely the radiator core is internally blocked. When that happens it seems that the upper hose can't be purged of air. Jeep radiators are in my opinion too small for the engine and if partially blocked, have no "leeway" or forgiveness. They just will not fill correctly.

Sep 24, 2009 | 1998 Jeep Grand Cherokee

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