Engine Overheating Due to Leaking Headgasket on Cadillac Seville SLS

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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Average mileage: 140,000 (120,000–155,000)
11 model years affected: 1994, 1995, 1996, 1997, more1998, 1999, 2000, 2001, 2002, 2003, 2004
14 people reported this problem
1 person shared problem details
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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