210 temp, got too hot going up hill
CF Veteran
Joined: Nov 2009
Posts: 8,172
Likes: 17
From: The Republic of TEXAS
Year: 1998
Model: Cherokee
Engine: 4.0L HO
stupid thing finally went to the red again today after a long day driving in the Mojave desert, mainly long up grades with air on, turn heater on and it drops right back to 215ish. no air stays around 210. Guess I gotta do the radiator on the next pay check, looks sucky to change lol.
CF Veteran
Joined: Nov 2009
Posts: 8,172
Likes: 17
From: The Republic of TEXAS
Year: 1998
Model: Cherokee
Engine: 4.0L HO
If the motor's cold, u can damn near replace the rad blindfolded. Take your time, take pics as u go (for reference), u'll have 'er done in no time.
really it looks like you gotta take the grill and everything around it off, guess my dumb *** little mazda was too easy lol.
Junior Member
Joined: Feb 2011
Posts: 43
Likes: 0
From: maine
Year: 1998
Model: Cherokee
Engine: 4.0 L
hey you can add water wetter from advance auto when the coolant is cold just remove about a quart from radiator put water wetter strait in. it will help lower the temp a little
::CF Moderator::
Joined: Aug 2011
Posts: 43,971
Likes: 1,578
From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Water wetter may work in Maine but not on an XJ with a low flowing radiator in the Mojave desert.
Seasoned Member
Joined: Feb 2012
Posts: 312
Likes: 0
From: Kentucky
Year: 2000
Model: Cherokee
Engine: 4.0
I have a 2000 and mine was doing the same thing just not getting as hot, it would push 212-215 but I'm OCD enough I wanted to get it to run at 210 as much as possible after reading about the head on em.
It would start to warm up climbing up a long grade or sitting at a light or in traffic. It's 90-100 past couple weeks here.
Anyway, I flushed it all out with NAPA's radiator flush and lots and lots of water. Filled it back up with good ole green coolant, replaced the thermostat and cap and added some Royal Purple Ice to the coolant.
Not sure what helped the most, one thing or all three but she runs at 210 or just below now.
ALSO, if you don't have a OEM (Mopar) thermostat you may want to look into getting one. The NAPA 195 and the OEM one had a few differences is design so I went with the OE. Its about $20 and around $5-$6 for the felpro gasket.
It would start to warm up climbing up a long grade or sitting at a light or in traffic. It's 90-100 past couple weeks here.
Anyway, I flushed it all out with NAPA's radiator flush and lots and lots of water. Filled it back up with good ole green coolant, replaced the thermostat and cap and added some Royal Purple Ice to the coolant.
Not sure what helped the most, one thing or all three but she runs at 210 or just below now.
ALSO, if you don't have a OEM (Mopar) thermostat you may want to look into getting one. The NAPA 195 and the OEM one had a few differences is design so I went with the OE. Its about $20 and around $5-$6 for the felpro gasket.
::CF Moderator::
Joined: Aug 2011
Posts: 43,971
Likes: 1,578
From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
I have a 2000 and mine was doing the same thing just not getting as hot, it would push 212-215 but I'm OCD enough I wanted to get it to run at 210 as much as possible after reading about the head on em.
It would start to warm up climbing up a long grade or sitting at a light or in traffic. It's 90-100 past couple weeks here.
Anyway, I flushed it all out with NAPA's radiator flush and lots and lots of water. Filled it back up with good ole green coolant, replaced the thermostat and cap and added some Royal Purple Ice to the coolant.
Not sure what helped the most, one thing or all three but she runs at 210 or just below now.
ALSO, if you don't have a OEM (Mopar) thermostat you may want to look into getting one. The NAPA 195 and the OEM one had a few differences is design so I went with the OE. Its about $20 and around $5-$6 for the felpro gasket.
It would start to warm up climbing up a long grade or sitting at a light or in traffic. It's 90-100 past couple weeks here.
Anyway, I flushed it all out with NAPA's radiator flush and lots and lots of water. Filled it back up with good ole green coolant, replaced the thermostat and cap and added some Royal Purple Ice to the coolant.
Not sure what helped the most, one thing or all three but she runs at 210 or just below now.
ALSO, if you don't have a OEM (Mopar) thermostat you may want to look into getting one. The NAPA 195 and the OEM one had a few differences is design so I went with the OE. Its about $20 and around $5-$6 for the felpro gasket.
Seasoned Member
Joined: Feb 2012
Posts: 312
Likes: 0
From: Kentucky
Year: 2000
Model: Cherokee
Engine: 4.0
Originally Posted by cruiser54
The factory stat makes a big difference. Mine came with gaskets in the box BTW.
The felpro was a MUCH better decision though.
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