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

Problem Description and Possible Solution
The oil pressure switch and timing cover gasket may develop an engine oil leak.
Problem Data
RepairPal Verified
Average mileage: 170,000 (170,000–170,000)
3 model years affected: 1990, 1991, 1992
4 people reported this problem
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leaking from were the timing cover are