Jeep Rubicon Overheating problems... on 2004 Jeep Wrangler

Im having problems with my jeep overheating. I installed a new 3 row aluminum radiator, new thermostat and housing, new coolant temp sensor, flushed system, installed 7 blade fan, clutch works good, new water pump, fan shroud is good. it is a 2004 rubicon 5.5 long arm lift kit, 35" tires, recently installed 4.88 gears, headers, air intake, superchip programmer, 12000lb milemarker winch. thats about it.... i need to fix this problem so i can finally take it out to play again any advice will help.

by in Van Horn, TX on August 09, 2010
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3 answers
ANSWER by , August 17, 2010
My moms jeep wrangler is having the same problem. I replaced all the likely parts and no dice. The next part on the list that could be a possible cause is the head gasket. If it is leaking air gets pumped into the cooling system. Have the cooling tested to determine this.
ANSWER by , September 13, 2010
man i have the same problem and it started when i installed my new winch beford this no problems
ANSWER by , August 09, 2010
Has anyone used a infrared thermometer to make sure its not a sensor or the gauge isn't reading properly about $50 at