Panamera S (970) V8-4.8L (2010)
Variable Valve Timing Actuator: Overhaul
Removing and installing actuator for camshaft (camshaft controller)
Preliminary work
1. Remove cylinder head cover (valve cover) on both cylinder banks.
2. The spark plugs should be removed to make the crankshaft easier to turn.
Removing actuator for camshaft (camshaft controller)
Notice
Incorrect handling of crankshafts
*
Risk of damage to the timing system
-> Never turn the crankshaft against the rolling direction or when the chain tensioner is removed.
-> Proceed carefully with your work.
-> Only turn the engine at the crankshaft.
-> Reset the timing after working on the camshaft.
-> Observe general warning notes and working regulations.
Notice
Small parts falling into the timing case
*
Risk of engine damage
-> Do not let the diamond washer and other small parts fall into the timing case.
Camshaft adjustment overview
1 - Screw, M12 Tighten fully after setting timing. Always use a new screw.
2 - Camshaft controller with integrated hexagon for countering
3 - Hydraulic valve for camshaft control
4 - Screw, M5 x 12
Staking bore 45 degrees before TDC of cylinder 1