Problem Reports » Engine Overheating May Cause Cylinder Head to Expand

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Cadillac Seville STS

 

Report: Engine Overheating May Cause Cylinder Head to Expand

Cadillac Seville STS Problem
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Model Years Affected: 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003

Average Mileage: 73,866 mi (10,600 mi - 113,000 mi)

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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.

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