Oil Leaks From Intake and Valve Covers on Buick Riviera

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

RepairPal Verified
Average mileage: 184,120 (138,000–230,240)
4 model years affected: 1990, 1991, 1992, 1993
6 people reported this problem
2 people shared problem details
1991 Buick Riviera138,000
Leaking on the exhaust manifold.
Related Items:
The intake manifold gasket may develop external engine oil leak. The manifold gasket will need...
my riviera cuts out under load runs ok until you give it 1/2 full throttle,have mass sensor,int...
have had my riv for almost 6 months now has over 200,000 thousand miles on and car has been dri...
The horn started blowing whn I touched the key. When i tapped on the cover it stopped, but it...

Related Content