Removing Camshaft Housing

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2013 Porsche 911, 2012 Porsche 911, 2011 Porsche 911, 2010 Porsche 911, and 2009 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Ingress of dirt

Danger of material damage due to blocked oil bores/oil ducts.

→ Absolute cleanliness is essential when working on the engine.

→ Lay removed engine parts on a clean base and make sure to cover them.

→ Use the cover for dust protection when fitting the engine NR.165 on the engine assembly support.

NOTE: Interchanged or dirty bucket tappets

Scoring on cylinder head

→ Since the bucket tappets have been run in the fitting bores, do not interchange them.

→ Absolute cleanliness is essential.

Remove bucket tappets.
1. 1.1. Prepare a clean desk pad on which you can write. Note the installation position of the bucket tappets in the housing.
  
  Fig 1: Example Of Noting Installation Position Of Bucket Tappets
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Loosen and unscrew 18 M8 Torx screws according to the specified sequence. → Loosening sequence for camshaft housing screws

Fig 2: Camshaft Housing Screws Loosening Sequence
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Remove camshaft housing.
1. 3.1. Be careful with the dowel sleeve -1- on the chain housing.
  
  Fig 3: Identifying Dowel Sleeve
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Remove metal seal for camshaft housing and molded seal for chain housing.
Carefully clean the housing and sealing faces.