Jeep XJ Cherokee overheating

Flush cooling system with Prestone Radiator and Cooling System flush. Sounds like there is some blockage in the engines cooling system passages.

I'll give that a try. I've thought about the posibility of blocked engine cooling passages, but then dismissed the idea as the engine does/will cool when driving. Seems that an engine would never maintain a cool/normal temp without cooling passages.

stop wasting your money . all 4.0l engines in Cherokee sports run hot . the computer is set to turn on electric fan when it gets to 215 at front of engine head . over ride electric fan mount a pilot/toggle switch left side of the running light switch .i did and i never ran hot again on heated days with a/c on or off . the second option is to screw shut the clutch fan . you must drill three holes in near perfect position to avoid vibration , quality s/s screws with nylon tipped nuts to prevent nuts from backing off . you will hear a bit of a growl but the fan is kicking ass all the time . I prefer the switch/electric fan over ride method .I do not give detail instructions,sorry

Get a grounded test light there like $8 and check the electric fan and dont mess with the computer there's a relay that tells the fan to turn on at temperature when you at a stop or parked or just running hot you want the jeep to run cooler add a B&M tranny cooler jeep will last longer my 1999 was a little over 500,000 when i brought it to the junk yard but they continued to use it as a parts runner I'll check the mileage and repost a picture of the digital dash mileage ive only bought one 4.0 jeep with a blown head gasket and rapping because the previous owner chose to ignore the cooling system the 4.0's will run forever if you maintain them correctly don't quite on it the motor and tranny wont quite on you the body and the frame in New England will before that motor does taken care of correctly.