Overheating of the engine may cause the cylinder head to expand, severely straining the head bolts and damaging the threads in the engine block. This commonly results in a blown head gasket. Our technicians tell us the engine block threads must be repaired before the cylinder head is reinstalled.
Engine Overheating Due to Leaking Headgasket on Buick Lucerne
Average mileage: 68,902 (68,902–68,902)
Engine affected: 4.6L V8
4 people reported this problem
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2006 Buick Lucerne - 4.6L V8 68,902 mi, Visitor
water pump + thermostat + gasket replaced also radi flush still overheating.