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Removing hydraulic valve for valve lift adjustment

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.
  1. Remove the side shield on the respective side of the engine. Unscrew the two M6 hexagon-head bolts for this purpose.

    Fig 1  shows cylinder side 1-3  .

    Fig 1: Removing Side Shield
    G03100304Courtesy of PORSCHE OF NORTH AMERICA, INC.
  2. Remove cable plug of the hydraulic valve for valve lift adjustment -1- by pressing the clip and pulling off the cable plug.
    Fig 2: Removing Cable Plug Of Hydraulic Valve For Valve Lift Adjustment
    G03100305Courtesy of PORSCHE OF NORTH AMERICA, INC.
  3. Unscrew both M6 pan-head screws (hexagon socket a/f 5) of the valve holder and remove the holder with the screws -B-  (-Item 2 in  Fig 2  ).
    Fig 3: Identifying Valve Holders
    G03100306Courtesy of PORSCHE OF NORTH AMERICA, INC.
  4. Carefully pull the hydraulic valve with retainer plate -3-  out of the cylinder head cover. Make sure that the front spring does not remain in the cylinder head. Observe installation position of the hydraulic valve (position of the cable plug connection)!
    Fig 4: Identifying Hydraulic Valve With Retainer Plate
    G03100307Courtesy of PORSCHE OF NORTH AMERICA, INC.
    NOTE:
    • Handle the hydraulic valve with care; do not turn it at the valve tip or at the plug connection!
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