Mechanics

OVHAVE A ENGINE 3.9 HAS BEEN OVER HEATING, REPLACED RESVOR TANK, TERMOSTE, DROVE IT AND THEN HEARED A POP SOUND AND STEAM FROM OVER H

2003 Lincoln LS • 140,000 miles

Have a 2003 lincoln ls engine 3.9 has been over heating, replaced resvor tank, termoste, drove it and then heared a pop sound and steam from over hood, blowed a plug from the mainfold what caused this and what could be the problem
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Dunham welding
August 24, 2012.



What plug is that?

When pressure builds up in the cooling system, any area that is weak would give way.

You should test the cooling system for excessive pressure which could possibly be due to a failed head gasket.

KHLow2008
Aug 24, 2012.