Remove/install radiator - AR20.20-P-3865MEV
ENGINE 780.009 in MODEL 451.391/491
| Risk of injury to skin and eyes suffering scalding from contact with hot coolant spray. Risk of poisoning from swallowing coolant. | Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses. |
AS20.00-Z-0001-01A | |
| Risk of death when touching components on vehicles with high-voltage on-board electrical system | Do not touch components and open lines of the high-voltage on-board electrical system. Persons who wear electronic implants (e.g. cardiac pacemakers), must not carry out any work on high-voltage on-board electrical systems. | AS54.00-Z-0001-01A | |
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Notes on coolant | AH20.00-N-2080-01A | ||
| Note on the voltage on-board electrical system | AH54.00-P-0010-01A | ||
| Note on high-voltage battery | AH54.10-P-0006-01MEV | ||
| Remove/install | |||
| 1 | Remove vehicle key and mains plug | ||
| 2 | Carry out enabling of high voltage system | AR54.10-P-1160MEV | |
| 3 | Lower and position rear drive module | AR01.00-P-3050MEV | |
| 4 | Drain drive electric motor coolant | AR20.00-P-1143MEV | |
| 5 | Disconnect high voltage connector (2) from high voltage charger control unit | ||
| 6 | Pull protective cover over high-voltage connector (2) | Protect the high-voltage connector (2) against dirt and moisture. Ingressing dirt and moisture can damage the high-voltage connector (2). |
Fig 4 |
| 7 | Disconnect quick-release coupling (3) of coolant line from high voltage charger control unit | ||
| 8 | Loosen clamp (5) for coolant line (4) and detach coolant line from the electric drive coolant pump and high voltage charger (M46) | Figure | |
| 9 | Disconnect electrical connection (6) from the fan motor electric drive and high voltage charger (M4/8) | ||
| 10 | Unclip cooler (1) below out of the air supply ducting (arrow A), push upwards out of the shackles for the air supply ducting and remove from the engine compartment | ||
| 11 | Loosen clamp (7) and detach coolant line (3) from the cooler (1) | When replacing the cooler (1). |
Figure |
| 12 | Loosen screw clamp (8) and detach coolant line (4) from cooler (1) | When replacing the cooler (1). | |
| 13 | Unclip fan motor electric drive and high voltage charger (M4/8) (arrow B) and remove upwards out of the shackles (arrows C) | When replacing the cooler (1). |
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| 14 | Install in the reverse order |