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Home >> Porsche >> 2016 >> 911 Turbo, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Engine - 911 CARRERA (996)) >> Removing and installing cylinder head cover - engine removed (as of MY 02) >> Removing cylinder head cover - cylinder banks 1 - 3 and 4 - 6 >> Cylinder bank 1 - 3

Cylinder bank 1 - 3

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 shield (1). Unscrew 2 hexagon-head bolts M6x16. Pull out the shield to the belt pulley side.
    Fig 1: Removing Shield (Cylinder Bank 1-3)
    G03100208Courtesy of PORSCHE OF NORTH AMERICA, INC.
  2. Remove holder for main muffler (2). Pull off the electrical plug of ignition coil cyl. 2 and the 2 electrical plugs of the magnetic hydraulic valves. Unscrew 4 hexagon-head bolts: top 2 M8x30, bottom 2 M8x25, then pull out the holder towards the clutch side.
  3. Remove 3 ignition coils. Unscrew 6 hexagon socket head bolts M6x25 and pull the ignition coils out from the spark-plug recess.
  4. Remove 2 holders and 2 covers for the magnetic hydraulic valves. Unscrew 4 hexagon socket head bolts M6x20, disconnect the connection cable for the hydraulic valves from the sheetmetal bracket and remove the holders. Pull off 2 covers for the hydraulic valves. The valves on side 1-3 can remain connected.
    Fig 2: Identifying Holders For Magnetic Hydraulic Valves
    G03100209Courtesy of PORSCHE OF NORTH AMERICA, INC.
    • A: Holder for camshaft adjustment valve (NVS)
    • B: Holder for valve lift adjustment valve (VVS)

    Cover for magnetic hydraulic valves in installation position with integrated seal 

    Fig 3: Identifying Covers For Magnetic Hydraulic Valves
    G03100210Courtesy of PORSCHE OF NORTH AMERICA, INC.
    CAUTION: When levering off the cylinder head cover, the cast lugs may break.
  5. Remove cylinder head cover. Unscrew the 20 hexagon-head bolts M6x30 from the cylinder head cover and the 2 hexagon-head bolts M6x20, which are screwed to the cover, from the oil extraction pump. To release the cylinder head cover, raise the cover carefully at the two protruding cast edges with a slotted screwdriver. Remove the cylinder head cover on side 1-3.
    Fig 4: Removing Cylinder Head Cover At The Two Protruding Cast Edges With A Slotted Screwdriver
    G03100211Courtesy of PORSCHE OF NORTH AMERICA, INC.

    Levering off the cylinder head cover,  Fig 5  shows side 1-3 

    Fig 5: Levering Off Cylinder Head Cover
    G03100212Courtesy of PORSCHE OF NORTH AMERICA, INC.
    NOTE:
    • Check the O-ring on the oil extraction pump. If the O-ring needs to be replaced, also unscrew the 2 lower hexagon-head bolts M6x20 and remove the pump.
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