Cayenne Turbo (9PA) V8-4.8L Turbo (2008)
Lifter / Lash Adjuster: Service and Repair
Removing and installing hydraulic tappets on DFI engines
Preliminary work
1. Remove the camshafts.
Information
Component overview
Information
The hydraulic tappets are fitted as bucket tappets on the outlet side and as switching tappets for valve lift switchover on the intake side.
Switching tappets and bucket tappets cannot be interchanged.
The hydraulic tappets have a twist lock for the cylinder head.
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
- Stopper
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)