Cayenne GTS (9PA) V8-4.8L (2008)
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8 - Mounting saddle 1 to 4
9 - Stopper
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 - Stopper
8 - Mounting saddle, cylinders 5 to 8
9 - Stopper
10 - Bearing surfaces (oil with engine oil)
A - Direction of travel
2. Pull hydraulic valve out of cylinder head. Make sure that the sealing ring is also removed. If it is not, look for the sealing ring using a mirror and a
torch.
3. Clean front strainer of hydraulic valve with solvent naphtha. Replace the hydraulic valve if damaged or heavily soiled.
Installing hydraulic valve for valve lift switchover (variable valve lift adjustment)
Installing hydraulic valve for valve lift switchover
1. Install hydraulic valve with new sealing ring in correct position. Sealing ring must not slip out of place.
Position screws and tighten.