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Home >> Porsche >> 2011 >> Cayenne Turbo >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 32 (15 - Engine - Cylinder Head, Valve Drive (4.8L Non Turbo) -- 92A - Cayenne (92A)) >> WM, 157019 Removing And Installing Cylinder Head >> Preliminary Work >> Installing Cylinder Head

Installing Cylinder Head

WARNING: This page is about a different variant/trim than selected.

Information 

If cold or excessively low-tempered components are sealed to each other by applying sealant, leaks can occur because of condensed water forming or components distorting. Components must have a uniform temperature of at least 17°C.

Information 

Information 

The tightening specifications for the basic engine are stored centrally.

> TECHNICAL VALUES

/

> 2X00IN TECHNICAL VALUES

or

> WM, 1001IN TIGHTENING TORQUES, TIGHTENING SEQUENCES, ASSEMBLY OVERVIEWS FOR ENGINE

Tightening torques and assembly instructions for other assemblies (e.g. chassis, electrics, transmission or body) or for peripheral engine equipment can be found in the corresponding documents.

  1. Replace cylinder head gasket.
  2. Place cylinder head gasket correctly, i.e. according to specifications, onto the straight pins on the engine crank housing. This must be done in such a way that the marking 'Top' is legible - see illustration-  .
    G16308664Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Cylinder bank 1 -4

    G16308665Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Cylinder bank 5 - 8

  3. Fit cylinder head. Insert cylinder head screws (screws can be re-used). For tightening specifications, see > 1001IN TIGHTENING TORQUES, TIGHTENING SEQUENCES, ASSEMBLY OVERVIEWS
    Fig 1: Cylinder Head 1 To 4 Components Location
    G16308666Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Cylinder head 1 to 4

    1  Cylinder head 1 to 4
    2  Cylinder head gasket 1 to 4
    3  M8 screw
    4  Lid
    5  Stopper
    6  Stopper
    7  Restrictor for valve lift adjustment
    8  Cylinder head screws
    9  Spark plug
    Fig 2: Cylinder Head 5 To 8 Components Location
    G16308667Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Cylinder head 5 to 8

    1  Cylinder head 5 to 8
    2  Screw plug
    3  Spark plug
    4  Cylinder head gasket 5 to 8
    5  Stopper
    6  Restrictor for valve lift adjustment
    7  Stopper
    8  Lid
    9  Cylinder head screws => For tightening specifications, see Tightening sequence for cylinder head 
  4. Fit front M8 screw to secure the cylinder head of cylinders 1 to 4 to the crankcase. -3- 
    G16308668Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Cylinder head 1 to 4

  5. Fit the mounting saddle at the front -8-  (cylinder bank 1 to 4 shown).
    Fig 3: Camshafts Components Location - Cylinder Bank 1 To 4
    G16308669Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Camshafts, cylinder bank 1 to 4

    1  Camshaft (outlet)
    2  Camshaft (intake)
    3  Hydraulic valve for variable valve lift control
    4  Screw, M5 x 12
    5  Switching tappet (oil with engine oil)
    6  Bucket tappet (oil with engine oil)
    7  Stopper
    8  Mounting saddle 1 to 4
    9  Stopper
    10  Bearing locations (oil with engine oil)
    A  Direction of travel
  6. Secure wire harness to the engine.
    1. 6.1 Position and lay engine wire harness on the engine housing -arrow-  .
    2. 6.2 Tighten fastening screws.
    G16308670Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Securing engine wire harness on engine housing

  7. Clip in engine wire harness at the rear right using the retaining clip -arrow-  .
    G16308671Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Clipping in engine wire harness at the rear right

  8. Clip in engine wire harness close to the vacuum pump.
    1. 8.1 Clip in engine wire harness using the retaining clip -arrow A-  .
    2. 8.2 Slide engine wire harness onto the holder -arrow B-  .
    G16308672Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Clipping in engine wire harness close to the vacuum pump

  9. Clip in engine wire harness close to the high-pressure pump.
    1. 9.1 Screw in and tighten the screw socket -arrow A-  .
    2. 9.2 Clip in engine wire harness using the retaining clips -arrows B-  .
    G16308673Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Clipping in engine wire harness close to the high-pressure pump

  10. Install vent line.
    1. 10.1 Position vent line -1-  and clip it into the cable duct -arrow-  .
    2. 10.2 Fit the fastening screws -2-  .
G16308674Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Vent line

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