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Removing and installing cylinder head > < Cylinder head

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Assembly overview - cylinder head
Assembly overview - cylinder head
  Note
t  If an exchange cylinder head is installed, all the contact surfaces between the supporting elements, roller rocker fingers and the running surfaces of the camshaft must be oiled before the cylinder head cover is installed.
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.
Removing and installing cylinder head → Chapter.
   
1 - 10 Nm + turn 180° further
q   Renew.
q   Observe tightening sequence → Chapter.
2 - Inlet camshaft control valve 1 -N205-
3 - 8 Nm
4 - 10 Nm + turn 180° further
q   Renew.
q   Observe tightening sequence → Chapter.
5 - Hall sender -G40-
6 - 8 Nm
7 - Seal
q   Removing and installing → Chapter
8 - 8 Nm
9 - Toothed belt guard
10 - Poly V-belt
q   For coolant pump.
11 - 20 Nm
12 - Toothed belt pulley
q   For coolant pump drive
13 - 8 Nm
14 - Cap
15 - O-ring
q   Renew if damaged.
16 - 8 Nm
17 - Coolant temperature sender -G62-
18 - Cylinder head
q   Removing and installing → Chapter
19 - Gasket
q   Renew.
20 - Cylinder head bolt
q   Renew.
q   Follow installation instructions and sequence when loosening and tightening → Chapter.
21 - Oil strainer
q   Renew.
22 - Gasket
q   Renew.
23 - Camshaft housing
q   Removing and installing → Chapter
  Note
t  The camshafts cannot be removed.
t  If repair is required, the camshaft housing and the camshafts need to be renewed as a complete unit.

   
Checking cylinder head for distortion
Check with 500 mm straight edge -VAS 6075- and feeler gauge -1-.
Max. permissible distortion: 0.05 mm.
  N15-10792

Removing and installing cylinder head > < Cylinder head