Power transmissionCapacities
| The 7-speed dual clutch gearbox has two separate fluid fillings. One section is filled with gear oil -arrow A-, the other with hydraulic fluid -arrow B-. |
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| Capacities | Gear oil section |
| Initial filling | 1.7 ltr. |
| Oil change | No change required |
| Lubricant | Gear oil for dual clutch gearbox 0AM Part No. → Electronic parts catalogue |
| Capacities | Hydraulic fluid section with mechatronic unit for dual clutch gearbox -J743- |
| Initial filling | 1 ltr. |
| Fluid change | No change required |
| Lubricant | Hydraulic fluid For Part No. refer to → Electronic parts catalogue |

Caution | Risk of damage to gearbox |
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| Other types of oil cause malfunctions and/or failure of the gearbox. |
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| It is not possible to check the fluid level in the hydraulic section of the mechatronic unit for dual clutch gearbox -J743-. When performing repairs, the breather opening on the mechatronic unit for dual clutch gearbox -J743- must be sealed off → Anchor. Fluid which escapes from the mechatronic unit for dual clutch gearbox -J743- cannot be replenished and the fluid level cannot be checked! |
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| If oil escapes from the gear oil section, the gear oil must be replaced completely → Chapter. It is not possible to check the level. |
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| Underfilling or overfilling either of the oil/fluid sections will impair the function of the gearbox. |
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04 Transmission