WM 477619 Removing And Installing Vacuum Pump (Cayenne S Tip, Cayenne S Man, Cayenne GTS Tip, Cayenne GTS, Cayenne Turbo S, Cayenne S TRANSSYBERIA Tip, Cayenne TRANSSYBERIA Man): Information

Fig 1: Identifying Vacuum Pump (Mechanical)

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

The vacuum pump -1-  is fitted at the rear of the right cylinder head on the V8 engine.