Installing Chain Tensioner

WARNING: This page is about a different car, the 2010 Porsche Cayenne, 2009 Porsche Cayenne, and 2008 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 chain tensioner by hand.
3. 1.3. Tighten the chain tensioner using a torque wrench → Tightening torque: 50 Nm (37 ft lbs.) .
  
  Fig 1: Locating Chain Tensioner And Upper Timing-Case Cover
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.