2005 Buick LaCrosse Support Question
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Question posted by pspiller77 on August 25th, 2014
Coolant Leak
Hello.. I have a 2005 buick lacrosse 3800 lll v6 with coolant leaking under oil pan. Oil is not milky so coolant not leaking into oil. Coolant reservoir always empty after every trip and no hole in reservoir or leaky hoses.. Just changed water pump and thermostat. Radiator not leaking and fans work. What could be the problem? Freeze plug or internal engine problem? ECT sensor?
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