Remove/install electric motor cooling coolant pump - AR20.10-P-1276MEV
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 | |
| 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 | ||
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Remove/install | |||
| 1 | Remove vehicle key and mains plug | ||
| Risk of death caused by vehicle slipping or toppling off of the lifting platform. | Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by vehicle manufacturer. | AS00.00-Z-0010-01A | |
| 2 | Raise vehicle with vehicle lift | ||
| 3 | Remove interior flap above engine | AR88.40-P-1100-03MCC | |
| 4 | Drain drive electric motor coolant | AR20.00-P-1143MEV | |
| 5 | Release clamp (3) for coolant line (1) and coolant line (1) from the electric drive coolant pump and detach high-voltage charger (M46) | Figure | |
| 6 | Loosen clamp (4) for the coolant line (2) and detach coolant line (2) from the electric drive coolant pump and high voltage charger (M46) | Figure | |
| 7 | Disconnect electrical connection (5) from the electric drive coolant pump and high voltage charger (M46) | ||
| 8 | Remove screw/bolts (6) and electric drive coolant pump and high voltage charger (M46) upwards | *BA20.10-P-1005-01N | |
| 9 | Install in the reverse order |
COOLANT PUMP, COOLANT THERMOSTAT
| Number | Designation | ENGINE 780.009 | |
|---|---|---|---|
| BA20.10-P-1005-01N | Bolt, coolant pump to bracket | Nm | 11 |