Installing Chain Tensioner

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2018 Porsche Cayenne, 2017 Porsche Cayenne, 2016 Porsche Cayenne, 2015 Porsche Cayenne, and 2014 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Danger of timing chain jumping out of position

Risk of engine damage

→ Never turn the engine at the crankshaft without a chain tensioner.

→ Never turn the crankshaft against the direction of rotation.

→ Always counter the sprockets when performing assembly work on them.

→ Make sure that nobody starts the engine or pushes the vehicle while in gear when the chain tensioner is removed. To prevent this, stick a warning note on the steering wheel or ignition lock.

Install chain tensioner.
Information
- Replace sealing ring on chain tensioner .
1. 1.1. Always replace sealing ring on chain tensioner.
2. 1.2. Tighten the chain tensioner -arrow- by hand.
3. 1.3. Tighten the chain tensioner using a torque wrench. → Tightening Torque: 50 Nm (37 ft. lb.)
  
  Fig 1: Locating Chain Tensioner
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.