Oil pressure switch/timing cover gasket may leak on Cadillac Seville STS

The oil pressure switch and timing cover gasket may develop an engine oil leak.
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Average mileage: 170,000 (170,000–170,000)
3 model years affected: 1990, 1991, 1992
4 people reported this problem
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1992 Cadillac Seville STS 170,000 mi,
leaking from were the timing cover are