suggestions? temp gauge sits at about 230* consistently
05-26-2009, 03:06 PM
#16
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Year: 2000
Model: Cherokee
Engine: 4.0
I'm having the same high temp fluctuations. It gets very hot when I go up hills and cools way down after I go down. Stays fairly consistent on the freeway and on back roads. Its just those hills that kill me. Plus the temp gauge sits past 210 all the time, and the motor is at that temp in about 4 miles of driving. I have replaced the radiator with a new 3 core, new heater control valve, water pump, t-stat, coolant temp sender, gauge temp sender and coolant all within 3000 miles and no change on the gauge? What the heck can be wrong here?
It also doesnt change much if I'm pulling a trailer, and the electric fan comes on with the AC but not when the motor gets hot.
It also doesnt change much if I'm pulling a trailer, and the electric fan comes on with the AC but not when the motor gets hot.
05-28-2009, 09:59 AM
#17
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Year: 1996
Model: Cherokee
Engine: 4.0L HO
I also forgot to mention I have a brand new clutch fan, fan, and shroud. The electric fan comes on when I turn the AC on, but then turns off after a minute or so then comes back on and the cycle continues.
I have a special bleeder in the top heater line hose. I use that to bleed the air out. Is there a better way?
05-28-2009, 10:25 AM
#18
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Year: 1991
Model: Cherokee
Engine: 4.0
my wifes Grand Pix
will do the stay cool then get hot erratically
if you get air in the system
you can run it all day with the cap of adding water
but it wont get the air out
there Is a little air bleeder valve by the thermostat that you open
after you fill it as much as you can then run it tell its hot
once it hit operating temp you can hear the air coming out then coolant
when the coolant starts coming out close the valve and its dun
I bet the 2001 jeep has an air bleed valve on it somewhere
will do the stay cool then get hot erratically
if you get air in the system
you can run it all day with the cap of adding water
but it wont get the air out
there Is a little air bleeder valve by the thermostat that you open
after you fill it as much as you can then run it tell its hot
once it hit operating temp you can hear the air coming out then coolant
when the coolant starts coming out close the valve and its dun
I bet the 2001 jeep has an air bleed valve on it somewhere
05-28-2009, 09:12 PM
#19
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Year: 1996
Model: Cherokee
Engine: 4.0L HO
Um, not sure I have that bleeder screw. Fairly certain I dont, its a 98 wrangler motor. I do know however that where that custom bleeder is, is at the highest point in the cooling system minus the reservoir. I will try to run it with the cap off and keep adding water till it overflows.
05-28-2009, 09:48 PM
#20
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Year: 1991
Model: Cherokee
Engine: 4.0
Um, not sure I have that bleeder screw. Fairly certain I dont, its a 98 wrangler motor. I do know however that where that custom bleeder is, is at the highest point in the cooling system minus the reservoir. I will try to run it with the cap off and keep adding water till it overflows.
06-01-2009, 10:19 AM
#21
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Year: 1996
Model: Cherokee
Engine: 4.0L HO
I suppose I could drill and tap a hole in the top of the housing. Then get a plug for it, if worse came to worse.
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