Question about 1998 Jeep Cherokee

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I Have a 98 jeep Cherokee classic i have replaced the electric fan the thermostat the hoses the water pump drained and flushed the motor and radiator but still have a overheating problem

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  • Mikel Long Apr 26, 2010

    The fan is coming on their is no cracks in the head or valves their would be oil in the water or water in the oil and none of this is showing up

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  • Jeep Master
  • 6,826 Answers

If the fan is coming on,then the radiator,is bad,or the engine ,has a crack between the valves,in the head.

Posted on Apr 23, 2010

  • Ronny Bennett Sr.
    Ronny Bennett Sr. Apr 26, 2010

    ok if you say so,good luck

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Posted on Jan 02, 2017

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98 jeep Cherokee keeps over heating


Several possibilities, including blockage in coolant tubes of radiator, damaged or slipping impeller on water pump, blockage of air flow through radiator, inoperative radiator fan(s), damaged head or head gasket...

Does the radiator fan come on? If not, problem could be bad temp sensor or fan motor or wiring.

Mar 26, 2016 | 2008 Jeep Cherokee Sport

Tip

How to replace a Jeep Cherokee Charge


Replacing a thermostat on most any car can be done with little auto repair experience. The thermostat is always in a visible and reachable spot. The Jeep Cherokee is even easier because the thermostat rests at the very top of the motor. The thermostat is a small piece that helps regulate the temperature of a vehicle.

Things You'll Need
Thermostat with gasket and gasket sealant
Accessories
Pliers
Flathead screwdriver
Mechanic's glove
Step 1
Park the vehicle in the shade on a flat surface. Turn the Jeep off and raise the hood. Let it sit and cool off for at least one hour.
Step 2
Slowly remove the radiator cap by twisting it with a thick towel. This will absorb any excess heat and pressure fluids. Be sure to wear your gloves. When removing the cap, extend your arm, creating maximum distance between you and the Jeep and turn your face away for safety precautions.
Step 3
Place an empty 2-gallon bucket under the very front end of the Jeep. Lay down under the front end of the Jeep and locate the bottom of the radiator. Look for a small, twist-off plug near the end of the radiator. It should read "Drain Plug." Place the bucket directly under the plug, and slowly remove it. Allow the antifreeze to drain completely.
Step 4
Place a water hose in the top of the radiator and turn it on. Turn on the car and allow the water to run through the radiator and cooling system for five to 10 minutes. This is called flushing the radiator, something you always should do before replacing the thermostat.
Step 5
Turn off the vehicle. Don't reattach the radiator cap or the drain plug.
Step 6
Locate the wide black hose directly under, or connected to, the radiator cap. Follow the hose to the end, which will be the motor. Using your pliers, squeeze the ends of the hose clamps together and pull it back. This will release the grip pressure.
Step 7
Wiggle off the hose. Let the excess fluid drain. The thermostat will be exposed. Unscrew the two nuts securing the thermostat to the motor. Using a flathead screwdriver, drive a wedge between the thermostat and the motor, popping it out.
Step 8
Peel off the blue or black gasket that was sealed to the motor. It should come off easily.
Step 9
Place the new gasket on with the provided sealant. Screw the new thermostat on, precisely in the location and pattern that you removed the old one. Wiggle the black hose back on and secure it with the hose clamp.
Step 10
Put the drain plug back in snugly. Fill up the radiator with a gallon of a solution that is half antifreeze, half water. Turn the Jeep on to circulate the antifreeze. Check for leaks near the thermostat and the drain plug. While the Jeep is running, add another gallon of the antifreeze/water solution. This should completely top it off. Place the radiator cap on, and you're done.

on Mar 21, 2017 | Cars & Trucks

2 Answers

I have a 98 jeep grand Cherokee limited ONLY when i run the a/c it overheats replaced the water pump,thermostat,upper and lower hose,there no leaks anywhere only has a mechanical fan how do I fix


By any chance, does the electric cooling fan shut off when you turn the AC on? If so, either the wiring to the fan assembly has been compromised, or the cooling fan relay is bad.

May 17, 2015 | Jeep Cars & Trucks

1 Answer

2002 jeep cherokee put new water pump and thermast in still getting hot like water is not flowing cheack top radiator hoses and its hot bottem hose is cold is it a bad radiator what can i do???


Hi David, How long did you run the engine before checking the temperature? The thermostat will only begin to open when the engine has warmed and the gauge begins to move. If after giving it a correct warming period it has still remained cold, I suggest the following. As you have already replaced the water pump, thermostat and radiator cap, the radiator may be blocked. Carry out a back flush, meaning, use a good quality radiator flushing chemical and follow the instructions carefully. Run the engine in accordance with the instructions. Let the engine cool and then draining, flushing the system by connecting a hose pipe with a fairly good head of pressure against the usual direction of flow. If that fails you may need to replace the radiator. Let me know how you get on, Happy new year Regards John

Jan 01, 2013 | 2000 Jeep Grand Cherokee

2 Answers

My 98 cherokee classic sport is overheating when it idles even if it is just a long red light. I have replaced the water pump and flushed the system and replaced the thermostat about 4 months ago. The...


It could be the fan clutch not engaging which will not pull air through the radiator, it may still appear to be spinning but it could not be at the correct RPM for adequate cooling. Hope that helps.

Aug 05, 2011 | 1998 Jeep Cherokee

1 Answer

How do i change a water pump on 1996 grand cherokee limited V8


I'll assume you have a 4.0l

The 4.0L engine is equipped with a reverse rotation (counterclockwise) water pump. The word REVERSE is stamped or imprinted on the cover of the viscous fan drive and on the inner side of t he fan. The letter R is stamped onto the water pump impeller. When replacing water pump, ensure proper pump is installed. Installation of the wrong water pump will cause engine overheating.

NOTE:On models with 4.0 L engine, front grill must be removed to access radiator draincock. Draining cooling system can be accomplished by removing drain plug from side of block as well as by loosening radiator draincock. Drain plug is located on lower left side of engine block.

Disconnect negative battery cable. Drain cooling system. Disconnect electric cooling fan connector. Remove electric cooling fan and electric fan shroud assembly (if equipped).
Loosen, but do not remove, 4 water pump pulley-to-water pump hub bolts and 4 viscous fan-to-idler pulley nuts. Remove accessory drive belt. Remove 4 viscous fan to idler pulley nuts, and remove fan and shroud together.
Remove 4 water pump pulley bolts and remove pulley. Remove power steering pump and bracket. Disconnect heater hoses and lower radiator hose at water pump. Remove 4 water pump retaining bolts. Remove water pump.

to install just reverse procedures

Apr 05, 2010 | 1996 Jeep Grand Cherokee

2 Answers

2001 jeep grand cherokee has little or no heat from heater


I would recommend flushing your cooling system and especially your heater core.With water and compressed air. Possibly replacing your thermostat while your doing that too

Dec 05, 2009 | 2001 Jeep Grand Cherokee

1 Answer

98 Jeep Overheating


I think you may need a new radiator core.Flushing can only do so much and if the core is badly blocked no ammount of flushing will solve the problem. You could also chech there is no air in the system by undoing one of the heater hoses on the engine. Make sure there is no problem with the bellts and the water pump is spinning. Also check the water pump for any leaks or wobble on the shaft. If the impeller is bady corroded you can have heating problems.

Aug 17, 2009 | 1998 Jeep Cherokee

3 Answers

Over heating 1998 cherokee


Yes - Your radiator not only needs to be flushed you could also have an inexpensive procedure done at any reputable radiator shop called "rodding out" and then heat flushed. If I remember correctly 98 Cherokees have a 4.0 in line 6 cylinder motor that has a aluminum radiator. If you remove your radiator yourself (drain detach hoses and unbolt assembly) and bring it to the radiator shop you could get this done really cheap. If you are not comfortable doing this, have them do it for a slightly higher fee. This should really help. NOTE: When adding radiator fluid from now on, use 50/50 premix or if you mix it yourself always use DISTILLED Water. This prevents corrosion buildup in your system. Good Luck!!!

Nov 07, 2008 | 1998 Jeep Cherokee

3 Answers

Radiator fan for 2001 Jeep Cherokee


Had this problem and one thing that even Chilton manuals only show in fine print sorta say is that Jeep cherokee has a relay sensor for the coolant fan usualy right behind the passenger or driver side headlight you may have to remove the bumper also its rather easy.Its a liitle black box thats screwd down on the panel just unscrew it unplug it replace mine ran me around $60.00.Before I learned about this after replacing the thermostate and just about to rip out the water pump my buddy told me about the sensor after replacing over a year ago no problems.

Jun 30, 2008 | 2001 Jeep Grand Cherokee

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