Octavia Mk1
| Summary of components - engines with identification characters AEH, AKL |
| 1 - | 100 Nm |
| q | to release and tighten use counterholder -MP1-216 (3036)- |
| 2 - | Camshaft sprocket |
| q | with sensor rotor for the Hall sensor -G40- |
| q | for removal and installation, remove toothed belt → Chapter |
| q | Installation position fixed by woodruff key -pos. 4- |
| 3 - | Sealing ring |
| q | replace → Chapter |
| q | pay attention to different version |
| 4 - | Woodruff key |
| q | check tightness |
| 5 - | 20 Nm |
| 6 - | Bearing caps |
| q | Fitting position → Fig. |
| q | Mounting sequence → Chapter |
| q | Lightly coat head contact surface 1 with sealant -AMV 174 004 01- |
| 7 - | Camshaft |
| q | Inspecting axial play → Fig. |
| q | removing and installing → Chapter |
| q | Slack: max. 0,05 mm |
| 8 - | Bucket tappets |
| q | do not interchange |
| q | with hydraulic valve clearance compensation |
| q | check → Chapter |
| q | lay aside with contact surface facing down |
| q | before installing check axial play of the camshaft → Fig. |
| q | oil contact surface |
| 9 - | Valve collets |
| 10 - | Valve spring retainer |
| 11 - | Valve spring |
| q | removing and installing: |
| t | with cylinder head removed, with valve lever -MP1-211 (VW 541/1a,/5)- and assembly device for valves -MP1-213 (2036)- with valve supporting plate -MP1-218- |
| t | (with cylinder head installed) → Chapter |
| 12 - | Valve stem seal |
| q | replace → Chapter |
| 13 - | Valve guide |
| q | check → Chapter |
| q | replace → Chapter |
| q | Repair of the guide with a collar |
| 14 - | Cylinder head |
| q | pay attention to the notes → Anchor |
| q | reworking valve seats → Chapter |
| 15 - | Valve |
| q | do not rework, only grinding in is permissible |
| q | Valve dimensions → Fig. |
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Note
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| Dimension | Inlet valve | Exhaust valve | |
| Ø a | mm | 39,5 ± 0,15 | 32,9 ± 0,15 |
| Ø b | mm | 6,92 ± 0,02 | 6,92 ± 0,02 |
| c | mm | 91,85 | 91,15 |
| α | ∠° | 45 | 45 |
