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Camshaft housing removal and installation > < Piston and cylinder dimensions
Cylinder head removal and installation
   
Cylinder head removal and installation
Checking compression → Chapter
  Note!
t  When installing an exchange cylinder head, all the contact surfaces between the support elements, roller rocker fingers and the cams 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 → Injection and Ignition System, 4LV; Rep. Gr.24.
1 - Toothed belt guard - upper part
2 - Main drive toothed belt
q   Check for wear
q   Do not kink
q   Removing, installing and tensioning → Chapter
3 - Coupling drive toothed belt
q   Check for wear
q   Do not kink
q   Removing, installing and tensioning → Chapter
4 - 10 Nm + 1/4 turn. (90°)
q   Renew
q   Tighten from centre outwards
5 - H.T. cable guide
6 - Camshaft housing
q   It is not allowed to rework the sealing surfaces
q   Removing and installing → Chapter
q   Remove remnants of old sealant
q   Before installing, lubricate with -D 188 003 A1-
q   When installing fit vertically from above onto studs and dowel pins
7 - 10 Nm
8 - Fitted pins
9 - Roller rocker finger
q   Check bearing for ease of movement
q   Oil contact surface
q   Use securing clip to clip onto support element when installing
10 - Support element
q   Do not interchange
q   With hydraulic valve clearance compensation
q   Oil contact surface
q   Before installing check camshaft axial clearance → Fig.
11 - Cylinder head bolt
q   Renew
q   Note installation instructions and sequence when loosening and tightening → Chapter
12 - Cylinder head gasket
q   Metal gasket
q   Renew
q   If replaced renew the complete coolant
13 - Cylinder head
q   Check for distortion → Fig.
q   If replaced renew the complete coolant
q   Removing and installing → Chapter
q   Reworking of the sealing surfaces on the camshaft side is not permitted
14 - Main drive tensioning roller
q   Checking → Anchor
q   Tensioning toothed belt → Chapter
15 - 20 Nm
16 - Rear toothed belt guard
17 - Lifting eye

   
Checking cylinder head for distortion
Max. permissible distortion: 0.05 mm
  V15-0654

Camshaft housing removal and installation > < Piston and cylinder dimensions