Removing Timing Chain

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 Porsche Panamera, 2015 Porsche Panamera, 2014 Porsche Panamera, 2013 Porsche Panamera, and 2012 Porsche Panamera. However, it is still accessible from the selected car via links, so may be relevant.

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The rolling direction of the timing chain must always be the same.
If the timing chain is to be reused, the rolling direction of the timing chain must be marked before it is removed.

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If the timing chain has to be removed or replaced, check the guide and tensioning rails as well as the chain pinions for wear and seeing and replace them if necessary.

Loosen the fastening screws on the camshaft timing gears and camshaft controllers (by one or two turns). To do this, counter at the hexagon on the camshaft controller and camshaft timing gear using a ring wrench.

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Camshaft timing gears and camshaft controllers
Remove timing chain from all sprockets by pulling it forward.