Preliminary Work
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 Porsche Panamera, 2015 Porsche Panamera, 2014 Porsche Panamera, 2013 Porsche Panamera, and 2012 Porsche Panamera. However, it is still accessible from the selected car via links, so may be relevant.
Information
Guided Fault Finding using the PIWIS Tester as well as the DME short test "Valve lift" must be performed before replacing the hydraulic valve. This is essential in order to avoid replacing the hydraulic valve unnecessarily.
The hydraulic valves are on the rear side of the cylinder heads facing the plenum panel (under vacuum pump and fuel high-pressure pump).
- Remove cross panel
- Cylinder bank 1 to 4:
Remove vacuum pump
> WM 477619 REMOVING AND INSTALLING VACUUM PUMP (ALL MODELS)
- Cylinder bank 5 to 8:
Loosen water tube.
- Remove holder for cooling water tube -7- .
To do this, remove hexagon-head bolt
Peripheral engine cooling water tubes