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.

Problem Data
RepairPal Verified
Average mileage: 157,000 (121,000–183,000)
6 model years affected: 1993, 1995, 1996, 1997, more1998, 1999
17 people reported this problem
Viewing 1 - 4 of 4 comments
Smells of burning oil when I drive it
Slow drip onto exhaust manifold makes black smoke,
intake manifold gasket leak. causing gas consumption and stalling out
oil consumpsion excessive qt week