Cayenne GTS (9PA) V8-4.8L (2008)
Timing Chain Tensioner: Service and Repair
Guide and Tensioning Rails
Removing and installing guide and tensioning rails on 4.8-liter DFI engines
Preliminary work
1. Remove timing chain.
Information
Component overview
Timing chain and sprockets
1 - Double-chain camshaft drive
2 - Camshaft sprocket
3 - Screw, M12 x 140 Tighten completely after setting timing.
4 - Deflector rail
5 - Screw, M8 x 35
6 - Camshaft-to-camshaft guide pad
A - Direction of travel