Removing Oil Suction Pump - Cylinder Bank 4-6

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.

CAUTION: Ingress of dirt

Danger of material damage due to blocked oil bores/oil ducts.

→ Absolute cleanliness is essential when working on the engine.

→ Lay removed engine parts on a clean base and make sure to cover them.

→ Use the cover for dust protection when fitting the engine NR.165 on the engine assembly support.

Remove oil return line on the pump neck.
1. 1.1. Loosen union nut (a/f 27) and counter at the pump neck at the same time with an open-ended wrench (a/f 24).
2. 1.2. Collect emerging engine oil in a suitable container.
3. 1.3. Turbo only: Unscrew M6 Torx screw on the holding clamp securing the oil line to the pump.
  
  Fig 1: Loosening Oil Return Line Screw
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Unscrew three M6 Torx screws -1- .
GT3: Remove support for vacuum line for exhaust valve at the upper threaded joint.

Fig 2: Identifying Oil Suction Pump Screws
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Pull oil suction pump out of the cylinder head.
1. 3.1. GT3: Press vacuum line for exhaust valve slightly to one side.
2. 3.2. GT3: It may be necessary to pull off the hose line on the vacuum unit of the exhaust valve. Replace the clamp in this case.
  
  Fig 3: Pulling Off Oil Suction Pump
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Clean sealing faces (with a clean cloth soaked in acetone) and replace O-rings on the pump -1 and 2- .

Fig 4: Identifying Oil Suction/Tandem Pump And O-Rings
Courtesy of PORSCHE CARS NORTH AMERICA, INC.