Buick Riviera Problems

Intake Manifold Gasket May Leak Engine Oil on Buick Riviera

Problem Description and Possible Solution

The intake manifold gasket may develop external engine oil leak. The manifold gasket will need to be replaced to correct this issue.

(17 people reported this problem)

Buick Riviera Vehicles With This Problem

RepairPal Fair Price Estimate
RepairPal Verified
Average mileage: 157,000 (121,000–183,000)
6 model years affected: 1993, 1995, 1996, 1997, more1998, 1999
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Brake problem? Or maybe a faulty head gasket cylinder?
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