Leon Mk2
Part II Engine block - Assembly overview |
1 - | Cylinder head with cylinder head cover |
q | Cylinder head: removing and fitting → Chapter |
q | Cylinder head cover: removing and fitting → Chapter |
q | The seal surface should not be reworked. |
q | With integrated camshaft bearings |
q | Remove any sealant remains. |
Caution
|
q | Before installing, apply the sealants D 189 500 A1 and D 154 103 A1 |
q | Install the cylinder head cover perpendicular from above for the assembly so that the guide bolts are in the mountings of the cylinder head. |
2 - | cylinder block |
q | Removing and installing the engine block → Chapter |
q | Dismantle and assemble pistons and conrods → Chapter |
3 - | Lower bracket for auxiliary units |
q | For tensioning element and air conditioning compressor |
q | Removing and installing → Chapter |
q | Upper bracket for auxiliary units: removing and fitting → Chapter |
4 - | 25 Nm |
5 - | Oil pan |
q | Removing and installing → Chapter |
q | Clean sealing surface before installing |
q | Install with silicone sealant D 176 600 A1 |
6 - | 13 Nm |
7 - | 150 Nm + turn 180° further |
q | Removing and installing crankshaft pulley → Chapter |
q | Renew |
q | The contact surface of the fastening bolt must be free of oil and grease |
q | Apply oil before fitting it (thread) |
q | Secure the pulley with the counterhold -3415- to prevent it from turning |
q | The retightening angle can be measured with a standard protractor |
8 - | Pulley |
q | Observe tightening sequence → Chapter. |
q | The contact surfaces may not contain any oil or grease residue. |
q | Secure the pulley with the counterhold -3415- to prevent it from turning |
q | Poly-V belt: removing and fitting → Chapter |
9 - | Seal |
q | Renew |
q | Removing and installing → Chapter |
10 - | 50 Nm |
11 - | Engine support |
q | For subframe |
12 - | 20 Nm + turn 90° further |
q | Renew |
13 - | Pinions |
q | For oil pump drive |
q | The contact surfaces may not contain any oil or grease residue. |
q | Immobilise the sprocket using the retention tool -T10172- |
14 - | Oil pump chain |
q | Mark D.O.R. before dismounting (installation position) |
15 - | Sealing cap |
16 - | 5 Nm + turn 30° further |
q | Bolt: M6x40 |
q | Tighten using the torque wrench -VAS 6583- |
17 - | 5 Nm + turn 30° further |
q | Bolt: M6x20 |
q | Tighten using the torque wrench -VAS 6583- |
18 - | Lower valve timing housing |
q | Removing and installing → Chapter |
q | Install with silicone sealant D 176,600 A1 |
19 - | Stud |
q | Tightening torque: 18 Nm |
20 - | Guide rail |
q | For distribution chain |
21 - | Stud |
q | Tightening torque: 18 Nm |
22 - | 50 Nm + turn 90° further |
q | Renew |
23 - | Sliding / tensioning shoe |
q | For distribution chain |
24 - | 8 Nm |
25 - | Upper distribution housing |
q | Install with silicone sealant D 176,501 A1 |
Caution
|
26 - | Timing chain |
q | Removing and installing → Chapter |
27 - | Pinions |
q | Immobilise the sprocket using the retention tool -T10172- |
28 - | Chain tensioner |
q | For distribution chain |
q | Tightening torque: 60 Nm |
29 - | Seal |
q | Renew |