Remove/Install Power Electronics Coolant Pump - AR20.10-P-1277SRE
ENGINE 780.997 in MODEL 453.091/391/491
| 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 | |
| Notes on coolant | AH20.00-N-2080-01A | ||
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Remove | |||
| 1 | Risk of death
caused by vehicle slipping or toppling off of the lifting platform. Lift vehicle on vehicle lift |
Align the turn plates so that the screws of the rubber pads on the turn plates cannot come into contact with vehicle parts while jacking up. |
AS00.00-Z-0010-01A |
| 2 | Pinch off coolant hoses (1, 2) | Figure | |
| 3 | Remove coolant hoses (1, 2) from the coolant pump power electronics (3) and collect escaping coolant in a suitable container | Figure | |
| 4 | Expose electrical connection (4) at power electronics coolant pump (3), and disconnect | ||
| 5 | Remove power electronics coolant pump (3) from decoupling element (6) | ||
| Check | |||
| 6 | Check decoupling element (6) for damage | In case of a complaint ↓ Replace decoupling element (6). |
|
| Install | |||
| 7 | Attach power electronics coolant pump (3) at decoupling element (6) | ||
| 8 | Connect electrical connection (4) at power electronics coolant pump (3), and secure with cable tie | ||
| 9 | Attach coolant hoses (1, 2) at power electronics coolant pump (3) | Figure | |
| 10 | Remove clamps at coolant hoses (1, 2) | ||
| 11 | Lower vehicle with vehicle lift | ||
| 12 | Pour in coolant and bleed cooling system | AR20.00-P-1147SRE | |
| Check | |||
| 13 | Check cooling system for leaktightness | AR20.00-P-1010SR | |
| 14 |
Perform the function test of the coolant pump power electronics (3) using the diagnostic system | AD00.00-P-2000-06SR |