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Removing and installing cylinder head > < Piston and cylinder dimensions
Removing and installing cylinder head
   
Removing and installing cylinder head
Checking compressions → Chapter.
  Note!
t  When installing a spare/exchange cylinder head, all the contact surfaces between the support elements, roller rocker arms and the cam contact surfaces must be oiled before installing the camshaft housing.
t  The plastic packing pieces for protecting the open valves must not be removed until immediately before fitting cylinder head.
t  If the cylinder head is replaced, all the coolant in the system must also be renewed.
t  Removing and installing intake manifold → Chapter, parts of injection system.
1 - 6 Nm + 1/4 turn (90°) further
q   Renew
q   Observe installation instructions and sequence when loosening and tightening → Chapter
2 - Screening cover
q   Ensure installation position
q   It is taken out and fitted again
3 - Coupling
q   Replace in the event of damage
4 - Cap
q   Replace the seal if it is damaged
5 - Cylinder head cover
q   Sealing surfaces must not be worked
q   With integrated camshaft bearings
q   Removing and installing → Chapter
q   Remove remnants of old sealant
q   Coat with -AMV 154 103- before fitting
q   When installing, insert vertically from above with dowel pins into holes of cylinder head
6 - 10 Nm
7 - Bracket
q   For main collective connector
8 - Dowel pin
9 - Camshaft
q   Checking axial clearance → Fig.
q   Identification and timing → Anchor
q   Oil contact surface
q   Removing and installing → Chapter
10 - 20 Nm
11 - Cylinder head bolt
q   Renew
q   Note installation instructions and sequence when loosening and tightening → Chapter
12 - Lifting eye
13 - Cylinder head
q   Check for distortion → Fig.
q   After replacing renew the complete coolant
q   Reworking the sealing surface on the camshaft side is not permitted
q   Removing and installing → Chapter
14 - Support element
q   Do not interchange
q   With hydraulic valve clearance compensation
q   Check camshaft axial clearance before installing → Fig.
q   Oil contact surface
15 - Retaining clip
16 - Floating roller arm
q   Check bearing for ease of movement
q   Oil contact surface
q   Use securing clip to clip onto support element when installing
17 - Cylinder head gasket
q   Metal gasket
q   Renew
q   If replaced renew the complete coolant
18 - Retainer
q   Lightly oil sealing lip of oil seal
q   Renew → Chapter

   
Checking cylinder head for distortion
Max. permissible distortion: 0.05 mm
  V15-0673

Removing and installing cylinder head > < Piston and cylinder dimensions