Question about 1989 Jeep Cherokee

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I have an 89' jeep cherokee that runs very hot.I have changed all hoses,water pump tstat& houseing several res.tanks,flushed radiator.Did i miss a part or skip a step?

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I had the ae problem so i changed out the heater coil out and it stopped running hot.

Posted on Aug 30, 2010

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Only one! have you had a "sniffer test done!" this test takes some water out the rad and checkes it for hydrocarbons if there there its a head gasket leaking or head cracked letting hot gases into the water jaket

Posted on Aug 07, 2010

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Recently had a new water pump fitted to my jeep Cherokee but it's still overheating and the heater in the car doesn't work. Any idea what might be causing this


if no leaks in hoses, then flush out the radiator etc, there maybe a plug up in system. also change thermostat. God-Bless! and hope this helps you.

Apr 24, 2016 | Jeep Cars & Trucks

1 Answer

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:

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

Dec 17, 2013 | 1998 Jeep Cherokee

1 Answer

Coolant bubbling bact through resovoir.Replaced thermostat and water pump and flushed system. Still idels at 215 degrees and runs at 221. Top hose is hot and bottom hose os hot on engine side and cool on...


I doubt the radiator is plugged up. The hose should be cooler coming out of the radiator than going in (top).
If the overflow tank is bubbling it could be from the hot coolant, or you could have a head gasket leak and allowing compression - exhaust into the cooling system.

May 08, 2013 | 2005 Jeep Liberty

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

1 Answer

Heater blows cold air


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

Sep 27, 2012 | 2005 Jeep Grand Cherokee

1 Answer

Im trying to flush out the water system what do i have to do first?


First thing you should do is pick up a can of radiator flush and add it to the overflow tank.Drive the jeep with this cleaner in it for a couple of days and then you need to let it completely cool down,remove the rad cap and drain the rad,catching the antifreeze in a pan and dispose of it at a local garage that is authorised to dispose or recycle it.Next step is to remove a heater hose from where they go through the firewall and then remove the thermostat from the thermostat housing and the put the housing back in place.Run a garden hose into the smaller hose of the water pump to flush the engine and heater core,run water into the top of the rad to clean it out,water into the thermostat housing to flush the engine block.

Sep 16, 2010 | 1998 Jeep Grand 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

Jetta 1.9 tdi runs hot


DID YOU CHANGE THE THERMOSTAT IN THE WATER PUMP HOUSING.FOLLOW TOP RADIATOR HOSE TO IT.

Oct 04, 2009 | 2008 Volkswagen Jetta Wagon

1 Answer

Engine running hot


pulled top cross bracket disconnected hoses and pulled radiator out and back flush it, while I had radiator out I installed new water pump.

May 17, 2009 | 1998 Jeep Cherokee

2 Answers

Overheating


there are three hoses leading to the water pump. the biggest one oviously goes to the thermostat housing, but the other two are much smaller 1 inch hoses, one of wich goes on the water pump and the other on the thermostat housing. if you follow the hoses one will connect to the upper part of the overflow for the radiator after hitting a T in the lines, that hose connects to the thermostat housing, and the other goes to the water pump its self.

Jul 23, 2008 | 1989 Jeep Cherokee

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