Leon Mk1
Removing and installing crankshaft |
Note
t | The cylinder block will be assigned with the correct thickness bearing shells at the factory. The thickness is identified by coloured spots |
t | For assembly, the engine must be secured to the -AR2204A- assembly stand with the -T20082- engine bracket → Chapter. |
t | Before carrying out any assembly work, it is necessary to lubricate points of support and sliding surfaces |
1 - | Drive element |
q | For oil pump drive |
q | Coat with oil before installing oil pump |
2 - | Bearing shells 1, 2, 3, 4 and 5 |
q | New bearing shells of the correct colour should be used → Fig. |
q | For bearing cap without oil groove |
q | Cylinder block with oil groove |
q | Do not mix up used bearing shells (mark them) |
3 - | 65 Nm |
q | Renew |
4 - | Bearing caps |
q | Bearing cap 1: pulley side |
q | Bearing cap 3: with recesses for thrust washers |
q | Bearing shell retaining lugs (cylinder block/bearing cap) must be on the same side |
5 - | Bearing shell 3 |
q | → Item |
q | Do not mix up used bearing shells (mark them) |
6 - | Crankshaft |
q | Axial clearance: |
q | New: 0,07 … 0,17 mm |
q | Wear limit: 0.25 mm |
q | Check radial clearance with Plastigage |
q | New: 0,03 … 0,08 mm |
q | Wear limit: 0.17 mm |
q | Do not rotate the crankshaft when checking the radial clearance |
q | Crankshaft dimensions → Chapter |
7 - | Thrust washers |
q | For cylinder block, bearing 3 |
q | Note fixing arrangement |
8 - | Cylinder block |
A | = | Marking for bearing 1 |
B | = | Marking for bearing 2 |
C | = | Marking for bearing 3 |
D | = | Marking for bearing 4 |
E | = | Marking for bearing 5 |
|
A | = | Marking for bearing 1 |
B | = | Marking for bearing 2 |
C | = | Marking for bearing 3 |
D | = | Marking for bearing 4 |
E | = | Marking for bearing 5 |
|
Letters on the cylinder block | Colour of bearing shell | |
R | = | red |
G | = | yellow |
B | = | blue |