1999 Buick Riviera Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1999 Buick Riviera

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An automatic transmission fluid leak may develop from the rubber section of a transmission cooler line. In some cases the rubber section of hose can be replaced. In others, the complete cooler line must be replaced to correct this type of leak.

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

The mass air flow or crankshaft position sensor may fail causing the engine to intermittently stall. It may be necessary for the engine to cool down before it will restart.

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Have owned 2 99s and 1 98 which are effectively the same car. Obviously I love my Rivieras That said, they all have had supercharger coupler failures, leveling system failures, and trunk leaks, all of which are relatively easy to repair with the leveling system the most expensive to repair. One had a bad intake manifold gasket that leaked antifreeze into the intake that I never repaired. Have...

Love this car, but there are a bunch of little problems.

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