Question about 1A Auto Parts 1995 Pontiac Grand Prix SE GM Style Black Lug Nut Cap Set of 5 fo

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High Rpm's and wont go down and car over heating,

We changed out the radiator, thermostate water pump and bled the lines and the car still overheats,, also the RPM idles at 2-3000 rpms and wont go down then it over heats

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  • Kevin Sharp Jan 12, 2013

     we  done everything  even  removed the  thermostat  and it  stillover heating one  fan is  runnin g one isnt we have  removed the  fan  motor and replaced and  the  water pump,  and the  radiator the  car still heating up no   vacuum leaks that we  can  find  and no  loss of antifreeze,  car used to  run 180-190 now it   wont  run  10 minutes without  overheating  and  the  rpm's  run  between  2000 and  3000 and   wont   go  down  usually run  jsut  around  or  under  1000  rpm  any odeas on what  causing  thie  the only thing we  did  first was replace the radiator, it  had a huge  crack in it,,  and  that w aht caused all this too  happen,,  any idea;s


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Look at the thermostat by pass hose of it's nor blocked then look at a blown head gasket

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