Leon Mk2
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 |
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