Car Problem Reports

Buick Riviera Oil Leaks From Intake and Valve Covers

Buick Riviera Problem
6 Reports
Me Too

Model Years Affected: 1990, 1991, 1992, 1993

Average Mileage: 184,120 mi (138,000 mi - 230,240 mi)


The intake manifold and valve cover gaskets can develop external engine oil leaks.

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