Leon Mk1
| Assembly overview - crankcase |
| 1 - | Cylinder block |
| q | Removing and installing sealing flanges and flywheel/drive plate → Chapter |
| q | Removing and installing crankshaft → Chapter |
| q | Dismantling and assembling pistons and conrods → Chapter |
| 2 - | Gasket |
| q | Renew. |
| 3 - | Oil filter bracket |
| q | Ensure clearance to adjacent components. |
| q | Dismantling and assembling: |
| q | Engine codes ANU, AUY, BVK → Chapter |
| q | Engine codes ASZ, BTB → Chapter |
| 4 - | 15 Nm + 1/4 turn (90°) further |
| q | Renew. |
| q | First fit upper left and lower right bolts and then tighten all four bolts diagonally. |
| 5 - | 15 Nm |
| 6 - | Engine speed sender -G28- |
| 7 - | Connection |
| q | For thermostat. |
| 8 - | 15 Nm |
| 9 - | O-ring |
| q | Renew. |
| 10 - | Thermostat |
| q | Removing and installing → Chapter. |
| q | Note installation position → Chapter. |
| q | Check: Heat thermostat in water |
| q | Opening begins at approx. 87 °C |
| q | Ends at approx. 102° C. |
| q | Opening lift at least 7 mm. |
| 11 - | 45 Nm |
| q | Observe tightening sequence → Fig.. |
| 12 - | Ancillary bracket |
| q | For alternator, power assisted steering vane pump and air conditioner compressor |
| 13 - | Sump |
| q | Clean sealing surface before fitting. |
| q | Install with silicone sealant -D 176 404 A2- |
| q | Removing and installing → Chapter. |
| 14 - | 15 m |
