Leon Mk2
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 |
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