Question about 1989 Jeep Cherokee

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Over heaating i think thermastate replaced hose

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Its a posability that it could be the thermostat,its also a good possability that its an air/steam pocket,from being trapped in the try to bleed all the air out of the system first.on mine i bought a splice connector that lets me fill the system from the smaller hose from the bottle to the thermostat housing works much easier.and you can run it while you fill it with actually can connect a hose garden hose to it or fill it manually.comes in a kit.

Posted on Oct 09, 2010


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Posted on Jan 02, 2017


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Durango keeps over heating even after replacing top hose.Is there a thermastate and where is it?

Your thermostat is where the top hose connects to the engine. do not drive when it is overheated. 2 - 3 bolts hold the assembly to engine and thermostat is under with spring side into engine. replace gasket also if there is one. do not use any gasket cement in the joint.

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You will need to check for bleeder screws the upper most parts of the cooling system as the air is creating a pocket inside the engine, make sure you do this when the engine is cool, if there are no bleeder screws try taking a heater hose loose and fill the radiator until it comes out at the heater hose fitting

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Hope this helps (reemember to rate this answer).

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How 2 replace the thermast

The thermostat is located on the engine in a small housing. The main hose from the radiator supplies the coolant to it. Two bolts attach it to the engine block. Drain the radiator fluid before starting the removal. Then remove the radiator hose which will make it easier to get it out. Remove the two bolts and lift the housing off the block. The thermostat will be quite visible and easy to remove. Remember the orientation so the the new one will be installed properly. Although I don't think it is possible to install it upside down . Use a new gasket with proper gasket cement to install the new one . Attach the hose and refill the radiator when done.

Dec 11, 2010 | 1989 Buick Park Avenue

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Steam fills car when i turn on the rear heat liks water have just replaced the thermastate thinking that is why linking no sing of any leak when hood is raised around the hoses or raidiator

It sounds like the leak could be under the passenger side dashboard which is where the heater core is located. The heater core a small radiator that a fan blows air over to heat the inside of your car. Is the steam coming out of the vents when you turn the heat on?

Oct 05, 2010 | 2002 Chevrolet TrailBlazer

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Overheats gets hot on the top of the motor but at bottom hose from thermastate it is cold changed radiater and put in two thermastates still gets hot help

1. In order to eliminate, remove the thermostat altogether, for now.
2. Make sure the heater bypass hose is working. You could route the hose going into the interior heater and bypass the heater also.

It should eliminate a lot!

Next, consider the water pump.

Hope this helps!

Sep 15, 2009 | 1995 Lincoln Continental

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Thermastate and high heat

Yes i would check if your radiator fin turns on when the engine gets warm.
Most likely thats the cause.

Jul 11, 2009 | 2002 Jeep Grand Cherokee

1 Answer

Coolant leak from upper radiator hose where it meets engine

thermistate housing is the place you refer to it fuction is to hold a thermastate to open and close water flow at 150 to 190 degree according to car spectif the thermaste sticks it causes overheating and can blow the thermastate gasget, the tole cost is about 30$ at most for the thermastate and many other things can cause a car to over heat and cause a hose leak and somtimes it is simple to just tighten the hiose clamp at the thrmastate and problem sovled see a water leak causes the radiator to lose presure and thus with out a sealed tight water cooling system the boiling point of water is lower and thus the car over heats when in doubt stop by the local gas station and have a tech take a quick look as it could be simple as the hose clamp difficult as a therm,astate but do not let it go to warp a head gasket as this blown headgasket is what is the end results of running a car to hot

Jul 03, 2009 | 1999 Mercury Grand Marquis

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