Pulled top hose off water inside radiator end hose side to block was dry water pumps out radiator mouth done change cap also
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.
SOURCE: 1995 jeep laredo over heats
you might have a blown cylinder head gasket.check the cooling fan
SOURCE: Overheating Jeep!!
did u properly bleed the air out of the cooling system? if u are not sure raise the front of the jeep as high as u can with a floor jack, fill the coolant recovery bottle all the way up with 50/50 coolant mix and run the engine until it gets hot, then shut it down and run cold water over the radiator core, this will cause the air to bleed out and the coolant in the recovery tank to be sucked in, watch the level in the recovery while u do this, don't let it run dry. If this doesn't cure the problem you have other problems like a poss blown head gasket.
SOURCE: heating problem
If you changed the thermostat yourself and have noted that the lower radiator hose is cooler than the upper radiator hose, you may have installed the thermostat incorrectly or have purchased a faulty thermostat. A lower radiator hose that does not get hot (or as hot as the upper radiator hose) is a direct indication of a faulty thermostat. Please vote for this solution if you found this to be helpful. Thanks,
SOURCE: Hose from the front differential.
This hose you refer to is the breather tube for the differential. It connects to a fitting at the top of the differential housing and runs up the back side of the radiator so you won't run the risk of water entering the differential if you submerge the front axle in water. Reconnect the rubber hose to the fitting on the differentail.
SOURCE: 2004 jeep grand cherokee overheating.
This happened to me. After I had my power steering pump replaced. It took me 3 places to finally find out the problem. When the garage put the power steering back on they didn't get it on correctly, I don't understand all the details but it somehow I was getting radiator fluid on my belts. Which caused no heat and overheating. It took a radiator place to figure this out. I took it to Jeep and they told me it was the power steering pump.
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