Inspection Procedure
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
Inspect the wastegate regulator mechanism (1) for functionality.
- Inspect the turbine blades for damage or foreign material.
- Inspect the turbocharger wastegate regulator vacuum hoses for damage.
- Inspect the exhaust manifold and the turbocharger for cracks or other damage.
- Inspect the exhaust manifold mating surface for flatness.