A4 Mk2
| Valve gear - exploded view of components |
| 1 - | 5 Nm + 90° (1/4 turn) further |
| q | Renew |
| 2 - | Housing for camshaft control valve |
| 3 - | Gasket |
| q | Renew |
| 4 - | Diamond-coated washer |
| q | Renew |
| 5 - | Valve stem oil seal |
| q | Renewing → Chapter |
| 6 - | Valve spring |
| 7 - | Valve spring plate |
| 8 - | Valve cotters |
| 9 - | Hydraulic tappet |
| q | Pressed into roller rocker finger |
| q | Cannot be removed without damaging |
| 10 - | Roller rocker finger |
| q | With hydraulic tappet → Item |
| q | Removing and installing → Chapter |
| 11 - | Dowel sleeve |
| q | 2x |
| 12 - | Double bearing cap |
| 13 - | 5 Nm + 90° (1/4 turn) further |
| q | Renew |
| 14 - | Oil deflector |
| q | On right-side cylinder head between bearing cap E4 and A4 |
| q | On left-side cylinder head between bearing caps E2 and A2 |
| 15 - | 5 Nm + 90° (1/4 turn) further |
| q | Renew |
| 16 - | Bearing cap |
| q | Note installation position and allocation → Anchor |
| 17 - | Inlet camshaft |
| q | Removing and installing → Chapter |
| q | Checking axial clearance → Chapter |
| q | Check radial clearance with Plastigage (roller rocker fingers removed): wear limit: 0.1 mm; run-out: 0.01 mm (maximum) |
| 18 - | Exhaust camshaft |
| q | Removing and installing → Chapter |
| q | Checking axial clearance → Chapter |
| q | Check radial clearance with Plastigage (roller rocker fingers removed): wear limit: 0.1 mm; run-out: 0.01 mm (maximum) |
| 19 - | Shaft for rocker fingers, inlet side |
| q | Removing and installing → Chapter |
| 20 - | 10 Nm |
| 21 - | Shaft for rocker fingers, exhaust side |
| q | Removing and installing → Chapter |
| 22 - | O-ring for shaft for roller rocker fingers |
| q | Renew |
| 23 - | Cylinder head |
| q | See note → Chapter |
| q | Checking valve guides, grinding-in valve seats → Chapter |
| q | Machining valve seats → Chapter |
| 24 - | Inlet valve |
| q | Do not machine, only grinding-in is permitted |
| q | Valve dimensions → Chapter |
| q | Checking valve guides, grinding-in valve seats → Chapter |
| 25 - | Exhaust valve |
| q | Do not machine, only grinding-in is permitted |
| q | Valve dimensions → Chapter |
| q | Checking valve guides, grinding-in valve seats → Chapter |
| 26 - | Dowel sleeve |
| q | 2x |
