Leon Mk2
| Engine oil sump, oil pump, balance shaft assembly: Assembly overview |
| 1 - | Oil pan |
| q | Removing and installing → Chapter |
| 2 - | 10 Nm |
| 3 - | Inlet connection |
| q | Clean strainer if dirty |
| 4 - | 10 Nm |
| 5 - | O ring |
| q | Replace |
| 6 - | Oil pump: |
| q | Removing and installing → Chapter |
| q | Make sure both dowel sleeves are in place for centring the oil pump in the balance shaft assembly before installing the oil pump. |
| 7 - | Oil pump drive shaft |
| 8 - | Circlip |
| q | Must lie in base of groove. |
| q | A damaged or excessively widened securing ring must be replaced. |
| 9 - | Cylindrical pinion for a balance shaft |
| 10 - | 20 Nm + 90° (1/4 turn) |
| q | Replace |
| 11 - | Hub |
| q | For the idler gear |
| q | Replace |
| 12 - | 90 Nm + 90° (1/4 turn) |
| q | Replace |
| 13 - | Thrust washer |
| q | For the idler gear |
| q | Replace |
| q | Note installation position → Fig. |
| 14 - | Intermediate gear wheel |
| q | Replace |
| q | To achieve the correct backlash a suitably thick coating is already applied to the new idler gear; the required clearance is achieved as the coating is worn down |
Caution
|
| q | Fitting position: Part No. must be visible |
| 15 - | Crankshaft cogwheel |
| 16 - | Balance shaft assembly |
| q | Removing → Chapter |
| q | Install new balance shaft assembly → Chapter |
| q | Re-installing same balance shaft assembly → Chapter |
| q | Make sure both dowel sleeves are in place for centring the balance shaft assembly on the cylinder block before installing the oil pump. |
| q | Tightening torque - balance shaft assembly with 8 bolting points → Fig. |
| q | Tightening torque - balance shaft assembly with 6 bolting points → Fig. |
| 17 - | Bolt. |
| q | Replace |
| q | Tightening sequence → Fig. |
| 18 - | Oil suction pipe |
| 19 - | 10 Nm |
| 20 - | 40 Nm |
| 21 - | 45 Nm |
| 22 - | 15 Nm |
| q | Tighten in stages and in diagonal sequence |
| 23 - | Seal |
| q | Replace |
| 24 - | Oil drain plug - 30 Nm |
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| stage: | Bolts | Tightening torque / tightening angle |
| 1. | -1 … 8- | Screw in by hand, one after another |
| 2. | -1 … 8- | Pre-tighten bolts to 6 Nm one after another. |
| 3. | -1 … 4- | Tighten to 20 Nm |
| 4. | -5- | Tighten to 13 Nm |
| 5. | -6- | Tighten to 20 Nm |
| 6. | -7- | Tighten to 13 Nm |
| 7. | -8- | Tighten to 20 Nm |
| 8. | -1 … 8- | Use rigid wrench to turn 90° further, one after another. |
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|
| stage: | Bolts | Tightening torque / tightening angle |
| 1. | -1 … 6- | Screw in by hand, one after another |
| 2. | -1 … 6- | Pre-tighten the bolts to 6 Nm one after another. |
| 3. | -1 … 4- | Tighten to 20 Nm |
| 4. | -5 and 6- | Tighten to 13 Nm |
| 5. | -1 … 6- | Use rigid wrench to turn 90° further, one after another. |
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