This bulletin applies to 2007 and later Porsche Boxster, Cayman and Carrera vehicles. Porsche notes that they have discovered that generators replaced and returned under warranty have been found to be functioning correctly. 

This bulletin applies to Porsche Cayenne, Cayenne Turbo, Boxster and Panamera vehicles with regard to unnecessary water pump replacement. 

Porsche Cars North America is recalling certain 2017-2019 Boxster, Boxster S, Cayman and Cayman S, and 2018-2019 Boxster GTS and 2018-2019 Cayman GTS vehicles.