What make a 2004 impala overheat? on 2004 Chevrolet Impala

We have replaced the thermostat,radiator,water pump, and the heating core. Don't know hat else to do

by in Hammond, IN on August 03, 2011
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1 answer 1 comment
ANSWER by , August 03, 2011
does it have a clutch fan or automatic fan ,temp sensor could be bad for the automatic fan or fan clutch could be bad ,when car is cool you should be able to spin fan freely, but on that impala possible blown head gasket
COMMENT by , August 03, 2011
It has a automatic fan. Would it smoke if it was the head gasket?