HAVE 1997 BUICK CENTURY OVER HEATING REPLACED THERMOSTAT,WATERPUMP,RAD ,THERMO SWITCH AND EVEN HAD HEADS SENT AWAY TO GET PLAINED EVEN BOUGHT A AIR LIFT SYSTEM TO REMOVE AIR. STILL OVER HEATING THE ENGINE IS QUITE HOT BUT RAD IS QUITE COLD I THOUGHT WILE HAVING HEADS OFF I WOULD SEE WATER JACKETS FULL OF CRAP BUT THIS WASE NOT THE CASE WHAT DO I DO NOW PULL THE FRONT COVER IT ACTS LIKE IT IS NOT CIRCULATING
Optional Information:
1997 Buick century 3.1L
Already Tried:
thermostate,water pump,rad,thermostor,sent heads to be checked bought air lift tool thought it was air locked