A3 Mk2
| Cylinder head - exploded view |
| 1 - | Cylinder head gasket |
| q | Renewing → Chapter „Removing and installing cylinder head“ |
| q | Installation position: Part number points towards cylinder head, and must be legible from the inlet side |
| q | If renewed, change coolant and engine oil |
| 2 - | Cylinder head |
| q | Removing and installing → Chapter |
| q | Checking for distortion → Fig. |
| q | Sealing surface for camshaft housing must be free of oil and grease |
| q | If renewed, change coolant and engine oil |
| 3 - | Seal |
| q | Renew |
| 4 - | Oil pressure switch -F1- |
| q | Removing and installing → Chapter |
| 5 - | Bolt |
| q | Renew |
| q | Correct sequence when slackening → Anchor |
| q | Tightening torque and sequence → Fig. |
| 6 - | Camshaft housing |
| q | Removing and installing → Chapter |
| 7 - | O-ring |
| q | Renew |
| 8 - | Seal |
| q | Renew if damaged or leaking |
| 9 - | Filler cap |
| 10 - | Bolt |
| q | Tightening torque → Rep. gr.28 |
| 11 - | Hall sender -G40- |
| q | Removing and installing → Rep. gr.28 |
| 12 - | O-ring |
| q | Renew |
| 13 - | Oil dipstick |
| 14 - | Bolt |
| q | 20 Nm |
| 15 - | Engine lifting eye |
| 16 - | Non-return valve |
| q | For crankcase breather |
| 17 - | Grommet |
| 18 - | Bolt |
| q | Correct sequence when slackening → Anchor |
| q | Tightening torque and sequence → Fig. |
| 19 - | O-ring |
| q | Renew |
| 20 - | Bolt |
| q | 7 Nm |
| 21 - | Non-return valve |
| 22 - | O-ring |
| q | Renew |
| 23 - | Coolant temperature sender -G62- |
| q | Removing and installing → Chapter |
| 24 - | Bolt |
| q | Tightening torque → Item |
| 25 - | O-ring |
| q | Renew |
| 26 - | Teflon ring |
| 27 - | Screw plug |
| q | Depending on version |
| q | 15 Nm |
| 28 - | Seal |
| q | Depending on version |
| q | Renew |
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Note
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| Stage | Bolts | Tightening torque/angle specification |
| 1. | -1 … 10- | Screw in bolts by hand until they make contact |
| 2. | -1 … 10- | 40 Nm |
| 3. | -1 … 10- | turn 90° further |
| 4. | -1 … 10- | turn 90° further |
