A3 Mk2
| Coolant pump and thermostat - exploded view |
| 1 - | Bolt |
| q | Tightening sequence → Fig. |
| 2 - | O-rings |
| q | Renew |
| 3 - | Connection |
| 4 - | Retaining clip |
| q | Only on clip-on version |
| q | Check that it is securely seated |
| 5 - | Bolt |
| q | 4 Nm |
| q | Only on bolted version |
| 6 - | Retaining plate |
| q | Only on bolted version |
| 7 - | Coolant temperature sender -G62- |
| q | Removing and installing → Chapter |
| 8 - | O-ring |
| q | Renew |
| 9 - | Coolant pump |
| q | Removing and installing → Chapter |
| q | New coolant pump: remove protective cap |
| 10 - | Seal |
| q | Renew |
| 11 - | Centring pin |
| q | 2x |
| 12 - | Toothed belt |
| q | For coolant pump |
| q | Removing and installing → Chapter |
| 13 - | Toothed belt cover |
| 14 - | Bolt |
| q | 9 Nm |
| 15 - | Bolt |
| q | Left-hand thread |
| q | Renew |
| q | 10 Nm + turn 90° further |
| 16 - | Toothed belt drive sprocket |
| q | Note installation position |
| 17 - | Oil seal |
| q | Renewing → Chapter |
| 18 - | Balance shaft |
| 19 - | Thermostat |
| q | Removing and installing → Chapter |
| 20 - | Centring pin |
| 21 - | O-ring |
| q | Renew |
| 22 - | Connection |
| 23 - | Bolt |
| q | 9 Nm |
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