Vacuum pump up to 2008 model (tandem pump)
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2013 Porsche 911, 2012 Porsche 911, 2011 Porsche 911, 2010 Porsche 911, and 2009 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.
Up to 2008 model, , this vacuum pump, together with the oil suction pump on the right cylinder head, is designed as a tandem pump -3-.
It is driven by the outlet camshaft on the right cylinder bank.