Octavia Mk2
Cylinder head - Summary of components (for engine identification characters BCA) |
1 - | Timing belt guard - top part |
2 - | Main drive toothed belt |
q | before removing mark running direction |
q | check for wear |
q | do not kink |
q | Routing of toothed belt → Chapter |
q | removing and installing, tensioning → Chapter |
3 - | Coupling drive - toothed belt |
q | before removing mark running direction |
q | check for wear |
q | do not kink |
q | removing and installing, tensioning → Chapter |
4 - | 10 Nm |
5 - | Guide |
q | tighten at camshaft housing to 8 Nm |
6 - | Threaded bolt, 6 Nm |
q | for air filter housing |
7 - | Coolant pipe |
8 - | Hall sender -G40- |
9 - | O-ring |
q | replace |
10 - | Support |
11 - | Roller rocker arm |
q | Check smooth operation of cylindrical-roller bearings |
q | oil contact surfaces |
q | for installing, clip onto the balancing element with the locking clip |
12 - | Lifting eye |
13 - | 20 Nm |
14 - | Dowel pins |
15 - | Hydraulic balancing element |
q | do not interchange |
q | with hydraulic valve clearance compensation |
q | oil contact surface |
q | before installing check axial play of the camshaft → Chapter |
16 - | Cylinder head bolt |
q | replace |
q | observe the mounting instructions and sequence for loosening and tightening → Chapter |
17 - | Oil pressure switch -F1-, 25 Nm |
q | Switching pressure 0.03 ... 0.07 MPa (0.3 ... 0.7 bar) |
q | check → Chapter |
q | Cut open gasket ring if leaking and replace |
18 - | Cylinder head gasket |
q | replace |
q | metal gasket |
19 - | Cylinder head |
q | removing and installing → Chapter |
q | check for distortion → Fig. |
q | Sealing surfaces to the camshaft housing must be free of oil and grease. |
q | after replacing fill entire system with fresh coolant |
20 - | Coupling drive tensioning pulley |
q | check → Chapter |
q | Tensioning toothed belt → Chapter |
21 - | 20 Nm |
22 - | Rear toothed belt guard |
23 - | Camshaft housing |
q | removing and installing → Chapter |
q | when installing, fit onto stud bolts and dowel pins vertically from above. |
24 - | 10 Nm + torque a further 1/4 turn (90°) |
q | replace |
q | tighten from inside to outside |