Remove/Install Right Circulation Pump For Low Temperature Circuit - AR09.41-P-6931MSC
Engine 256.9 In Model 167
MODIFICATION NOTES
| 17.07.2019 | "Drain coolant" replaced by "Clamp off coolant hoses". | Operation steps 4 to 7 | |
| 17.07.2019 | Perform venting routine and check for leaks. | Operation steps 11, 12 | |
| 25.07.2019 | Operation steps added. | Operation steps 3, 4 | |
| 25.07.2019 | Document reference changed. | Operation step 7 |
Fig 1: Right Circulation Pump For Low Temperature Circuit Components Location - Engine 256.9 In Model 167
Shown On right side of vehicle with code M016 (Uprated engine)
| 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 overpressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses. | AS20.00-Z-0001-01A | |
| Notice | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Notice | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Notice | Notes on coolant | AH20.00-P-2080-01KOA | |
| Remove/install | |||
| 1 | Remove cap from coolant expansion reservoir. | ||
| 2 | Remove center, front, and right front lower engine compartment lining. | AR61.20-P-1105ME | |
| 3 | Release front section in right front fender liner. | Engine 256.9 in model 167 with code M016 (Uprated engine) | AR88.10-P-1301ME |
| 4 | Clamp off, remove coolant hose (6) and seal openings with protective covers. | Engine 256.9 in model 167 with code M016 (Uprated engine) | AR20.20-P-7441-01RQ |
| Fig 2 | |||
| Fig 3 | |||
| 5 | Release and disconnect electrical connector on coolant hose (4). | ||
| 6 | Clamp off coolant hose (3, 4). | Fig 3 | |
| 7 | Remove coolant hose (3, 4) from low-temperature circuit circulation pump 1 (M43/6), collect escaping coolant in a suitable container, and seal openings with protective covers. | AR20.20-P-7441-01RQ | |
| Fig 2 | |||
| 8 | Release and disconnect electrical connector of low-temperature circuit circulation pump 1 (M43/6). | ||
| 9 | Remove bracket (5) and low-temperature circuit circulation pump 1 (M43/6). | ||
| 10 | Install in the reverse order. | ||
| 11 | Connect diagnostic device and perform venting routine. | AD00.00-P-2000-06ME | |
Powertrain control unit (N127)→ Adaptations → Teach-in processes→ Bleeding of engine cooling system of low-temperature circuit |
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| 12 | Check engine cooling system for leak tightness. | AR20.00-P-1010MSC | |
| 13 | Install center, front, and right front lower engine compartment lining. | AR61.20-P-1105ME |