Removing Lower Timing-Case Cover

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: 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.

→ After working on the camshaft, re-set the valve timing.

→ Observe general warning notes and working regulations.

Information

If a crankshaft stub is dirty or slightly rusted, this will damage the new sealing ring when it is fitted.
The crankshaft stub must be cleaned before the old sealing ring is removed so that no particles of dirt can get into the engine.
Use a metal-polishing pad (e.g. Never Dull) for this .

Remove and replace crankshaft sealing ring. → Removing sealing ring for crankshaft flywheel
Remove lower timing-case cover.
1. 2.1. Unscrew fastening screws on the timing-case cover. All screws are shown in grey in the illustration. . Don't forget the top two M8 screws for the cylinder head -1- .
  
  Fig 1: Identifying Lower Timing-Case Cover Mounting Bolts
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. 2.2. Detach securely bonded timing-case cover by knocking carefully with a rubber hammer.
3. 2.3. Clean sealing faces on engine block, crankshaft and timing-case cover thoroughly.