Jeep Cherokee Country overheating

JEEP CHEROKEE
Avatar
ODNRK9
  • MEMBER
  • 22 POSTS
My father's 1996 Cherokee with the 4.0 L engine keeps overheating. The mechanic told him it had a blown head gasket and warped head, so we got that repaired. It has also had a new radiator installed, with all new hoses, a new water pump, and a new thermostat. Yet, with all that being repaired, it continues to overheat. With all that being replaced/repaired, what else could it be? Could the thermostat be bad already? Please help!
Jul 9, 2007 at 10:39 AM
Advertisement
Avatar
MERLIN2021
  • CAR REPAIR CONTRIBUTOR
  • 17,250 POSTS
Make sure the thermostat was installed right, pionted end to radiator! Don't laugh, I've seen it!
Jul 11, 2007 at 9:21 AM
Avatar
ODNRK9
  • MEMBER
  • 22 POSTS
I will do that. However, he did not advise me until today that he had never had the serpentine belt replaced, and it was slipping badly. I replaced that today, and now we will see if that was the cause. He said that just short trips around town didn't cause it to overheat, but a trip of around 20 miles or so would cause it to overheat. Got me confused!
Jul 11, 2007 at 10:31 PM
Avatar
TRANSAM85TPI
  • MEMBER
  • 13 POSTS
I am having the same problem with my 1994 Cherokee 4.0L. It does fine on the highway though, staying around 120 degrees, but when I'm in traffic, it doesn't take long for it to creep up almost to redline, (luckily I get out of traffic before that happens). The fan on the passenger side comes on as soon as the engine is started, not sure if it's electric or mechanical though. I've heard horror stories about air in the block, but I put a tee in the return line and bled the system, still no change. Could it be the water pump possibly? What else might I look at?

Thanks,

Kevin
Jul 16, 2007 at 9:16 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.