Remove/install circulation pump for low-temperature water circuit - AR09.41-P-6925SXH
ENGINE 272.974 in MODEL 221.095/195
| Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. 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 | ||
| Evaluation of high-voltage components | AH54.00-P-6500-01SXH | ||
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Remove | |||
| 1 | Remove bottom engine compartment paneling | AR61.20-P-1105SX | |
| 2 | Drain coolant out of the cooling system | AR20.00-P-1142SX | |
| Remove power electronics for circulation pump 1 (M13/8) | |||
| 3 | Disconnect electrical connection from the power electronics circulation pump 1 (M13/8) and set aside | ||
| 4 | Unclip power electronics circulation pump 1 (M13/8) from the bracket | ||
| 5 | Disconnect coolant lines and detach from power electronics circulation pump 1 (M13/8) | Fig 2 | |
| 6 | Remove power electronics circulation pump 1 (M13/8) | ||
| 7 | Modify bracket for power electronics circulation pump 1 (M13/8) | For replacement of the power electronics circulation pump 1 (M13/8) | |
| 8 | Installation of the power electronics circulation pump 1 (M13/8) in reverse order | ||
| Remove power electronics for circulation pump 2 (M13/9) | |||
| 9 | Disconnect electrical connection from the power electronics circulation pump 2 (M13/9) and set aside | ||
| 10 | Unclip power electronics circulation pump 2 (M13/9) from bracket | ||
| 11 | Disconnect coolant lines and detach from power electronics circulation pump 2 (M13/9) | Fig 2 | |
| 12 | Remove power electronics circulation pump 2 (M13/9) | ||
| 13 | Modify bracket for power electronics circulation pump 2 (M13/9) | For replacement of the power electronics circulation pump 2 (M13/9) | |
| 14 | Installation of the power electronics circulation pump 2 (M13/9) in reverse order | ||
| Install | |||
| 15 | Fill cooling system and bleed. | AR20.00-P-1142SX | |
| Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | AS00.00-Z-0005-01A | |
| 16 | Perform engine test run and inspect cooling system for leaktightness | ||
| 17 | Install lower engine compartment paneling | AR61.20-P-1105SX |