overheating problems
04-11-2011, 02:33 PM
#1
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Location: Birmingham, Alabama
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Year: 1989
Model: Cherokee
Engine: 4.0L Straight 6
overheating problems
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??
04-11-2011, 02:54 PM
#5
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Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors
do your self a favor when in need of a radiator up grade to the open system get you xj off the bottle
04-15-2011, 06:36 PM
#6
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Year: 2004
Model: Grand Cherokee (WJ)
Engine: 4.0 Inline 6
04-15-2011, 09:22 PM
#7
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Year: 1998
Model: Cherokee
Engine: 4.0L HO
'91 up (open system) rad cap on radiator with a non-pressurized overflow bottle. '90 down (closed system) cap on pressurized bottle/reservoir.
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04-15-2011, 09:25 PM
#8
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Year: 2004
Model: Grand Cherokee (WJ)
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04-16-2011, 10:41 AM
#9
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Year: 1989
Model: Cherokee
Engine: 4.0
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
04-16-2011, 10:49 AM
#10
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Year: 1998
Model: Cherokee
Engine: 4.0L HO
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.
U start the motor with that sensor unscrewed from the t-stat cover........u r gonna have a huge coolant mess everywhere.
Last edited by djb383; 04-16-2011 at 10:55 AM.
04-16-2011, 11:15 AM
#11
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Year: 1992
Model: Cherokee
Engine: 4.0L I6
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.
04-16-2011, 06:33 PM
#12
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Year: 1991
Model: Cherokee
Engine: 4.0
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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04-16-2011, 07:45 PM
#15
Seasoned Member
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!
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