Porsche is recalling 270 vehicles including 2012 Cayenne Turbo SUVs for a faulty turbine wheel. The turbine wheel could fracture due to a casting defect, causing oil to be drawn into the exhaust system, and increasing the risk of a fire. The recall also affects Panamera Turbo sedan models.

The Problem: The turbine wheel on the exhaust side of the turbocharger may fracture due to a casting defect. A fracture could result in decreased vehicle performance, oil leakage into the exhaust system, resulting in excessive smoke and an increased risk of fire.

The Fix: Porsche will notify affected owners and dealers will replace the turbine wheels free of charge. The recall begins in July 2012. Owners can contact Porsche at 800-767-7243 or NHTSA's Vehicle Safety Hotline at 888-327-4236.

Number of Vehicles Affected: 270 2012 Porsche Cayenne Turbo and 2011-2012 Porsche Panamera Turbo models.

Source: NHTSA