NHTSA recall 12V329000
Engine And Engine Cooling · Porsche Cars North America, Inc.
Details
What's wrong: The turbine wheel of a turbocharger may fracture due to a casting defect. If a fracture occurs, vehicle performance will be decreased and the turbine shaft may fracture.
Why it matters: If the shaft fractures, oil may be drawn into the exhaust system, resulting in smoke and the increased risk of a fire.
The fix: Porsche will notify owners, and dealers will replace the turbine wheels, free of charge. The recall began on August 31, 2012.
Affected vehicles on MotorDeets
All model years NHTSA lists
2012 Porsche Cayenne, 2011 Porsche Panamera, 2012 Porsche Panamera.
Recalls can cover only some VINs. Check yours on NHTSA's official recall page for 12V329000.
Source: NHTSA recall records. Summary shortened; the official notice has the full text.