Removing Hydraulic Valve For Valve Lift Switchover
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.
- Pull off cable plug for hydraulic valve and remove both screws.
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Camshafts, cylinder bank 1 to 4
1 Camshaft (outlet) 2 Camshaft (Intake) 3 Hydraulic valve for variable valve lift control 4 Screw, M5 x 12 5 Switching tappet (oil with engine oil) 6 Bucket tappet (oil with engine oil) 7 Plug 8 Mounting saddle 1 to 4 9 Plug 10 Bearing locations (oil with engine oil) A Direction of travel Camshafts, cylinders 5 to 8
1 Switching tappet (oil with engine oil) 2 Bucket tappet (oil with engine oil) 3 Camshaft (intake) 4 Hydraulic valve for variable valve lift control 5 Screw, M5 x 12 6 Camshaft (outlet) 7 Plug 8 Mounting saddle, cylinders 5 to 8 9 Plug 10 Bearing surfaces (oil with engine oil) A Direction of travel - Pull hydraulic valve out of cylinder head. Make sure that the sealing ring is also removed. If not, look for the sealing ring using a mirror and a torch.
- Clean front strainer of hydraulic valve with solvent naphtha. Replace hydraulic valve if damaged or heavily soiled.