Cayenne Turbo (9PA) V8-4.8L Turbo (2008)
Camshaft Gear/Sprocket: Service and Repair
Removing and Installing Camshaft Timing Gear (Sprocket)
Removing and installing camshaft timing gear (sprocket) on 4.8-liter DFI engines
Information
Component changes for model year 2009 as of October 2008
Information
Always read the information concerning modified tightening specifications and component changes relating to repairs provided for specific engine
numbers in the Information section!
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 camshaft timing gear (sprocket)
Notice
Incorrect handling of crankshafts
Risk of damage to the timing system
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Never turn the crankshaft against the rolling direction or when the chain tensioner is removed.
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Proceed carefully with your work.
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Only turn the engine at the crankshaft.
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Reset the timing after working on the camshaft.
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Observe general warning notes and working regulations.
1. Turn the crankshaft at the vibration balancer so that the vibration balancer's staking bore -2- is located approx. 45 degrees degrees in front of the
lower staking point on the timing-case cover -1-.
Staking bore 45 degrees before TDC of cylinder 1
2. Loosen all four screws of the camshafts (sprockets and camshaft controllers) (undo one to two turns). Counter at the respective hexagon.