overheating on 2000 Jeep Wrangler

my 2000 jeep wrangler, 4.0 engine is going into the "red zone/check gauges zone". i have changed the radiator, flushed the engine, changed the thermostat and fan clutch. any ideas as what to check next?

by in Clinton, TN on March 12, 2009
1 answer
ANSWER by on March 12, 2009
If the engine truly overheating? This might be the temperature sender failing. Here's a guide for the coolant temp sensor but I would test that with your multimeter before replacing so you don't waste any money http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c15280221709 If the engine is truly getting hot, I would be looking at the water pump next. That's really the next in line if the new thermostat is opening normally. You're sure you've got the cooling system completely filled? hope this helps
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