Removing and installing valve springs: Removal

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2005 Porsche 911, 2004 Porsche 911, 2003 Porsche 911, 2002 Porsche 911, and 2001 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.

Put shim plates under the valve discs (3 ea.).
Mount shaft with aluminum supports on the cylinder head. Fasten cylinder head to the workbench with screw clamps.

Fig 1: Mounting Shaft With Aluminum Supports On Cylinder Head
Courtesy of PORSCHE OF NORTH AMERICA, INC.
NOTE:
- Put the screw clamps only on the aluminum supports, under no circumstances on the sealing surface.
Fasten magnetic disassembly head to lever arm. Press valve spring together in cylinder head and undo valve collets from valve stem.

Fig 2: Fastening Magnetic Disassembly Head To Lever Arm
Courtesy of PORSCHE OF NORTH AMERICA, INC.