Car Problem Reports

Cadillac Seville SLS Engine Overheating May Cause Cylinder Head to Expand

Cadillac Seville SLS Problem
13 Reports
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Model Years Affected: 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004

Average Mileage: 132,500 mi (120,000 mi - 145,000 mi)


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.

  • Visitor, , 120,000 mi

    hey i have a car that i bought it ran fine i knew it needed head gasket but i went to start it a few days
    later and it didn't want to start just turn over i only drove it once

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