my jeeps been overheating for a week or so now and i cant figure out whats wrong with it anymore. i just put on a new water pump, thermostat and thermostat housing. i drove it down the street less than a mile before i had to pull over because it was so hot. i cant find anymore leaks on it or anything but i didnt feel any water in the radiator hose. any ideas to what it could be??

 

are yo getting all the air out it has a closed system

 

thats probably it. i wasnt thinking about it being closed. thanks!

 

just search it youll get the answer

 

do your self a favor when in need of a radiator up grade to the open system get you xj off the bottle

 

What is an open system? Dumb question I know.

 

'91 up (open system) rad cap on radiator with a non-pressurized overflow bottle. '90 down (closed system) cap on pressurized bottle/reservoir.

 

The one I was working on is a 96 so I reckon it is an open system.

 

i had the same problame with my 1989 i bout a air exac for the coolant system witch pulles a vaccum on the system then forces the coolant in makes life a hole lot easyer when it comes to gettin the air out or put a thermostat houseing off a newer jeep with the temperature sensor in it and unskrew it and let it run it will bleed out there also

 

What has happened to sentence structure, punctuation and spelling? LOL U start the motor with that sensor unscrewed from the t-stat cover........u r gonna have a huge coolant mess everywhere.

 

i had the same problem about a week ago, since then i've fixed it buy getting a new thermostat and housing, and a new radiator, and fan. Don't know if your problems as extreme as mine was though.

 

Is it overheating while idling or at highway speeds? Mine was fine at idle, but overheating at highway speeds because the radiator was clogged. If u do this, FOR THE LOVE OF ALL THINGS JEEP DO A FLUSH, CHANGE YOUR WATER PUMP, TSTAT, UPPER AND LOWER RADIATOR HOSES WHILE YOU ARE AT IT!!!!!!! I didn't listen to someone at first and ended up having the thing apart 3'times. Fwiw.

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By the way, thx again djb!!! Running flawlessly!

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Bet that puppy is sterile inside now. LOL. Good job.

 

I had an overheating problem with my 89. I checked everything and go to the point I changed the water pump 2 times, flushed the system, new thermostat... BLAH BLAH BLAH... One hot day I ran it, started seeing antifreeze on the radiator. I took the top radiator plate off and saw the seam of the radiator was basically rusting out. I changed it and refilled the system and it was fine for a year, before I bought a new one with less headaches!