Remove/Install Expansion Reservoir - AR20.30-P-4950MNB
Engine 178 in model 190
MODIFICATION NOTES
| 23.07.2020 | Operation steps added. | Operation steps 2.2, 5, 8, 10 |
Shown on model 190.381
| Risk of injury. Skin or eye injuries may result when handling hot or glowing objects. | Wear protective gloves, protective clothing and safety glasses, if necessary. | AS00.00-Z-0002-01A | |
| 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 overpressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses. |
AS20.00-Z-0001-01A | |
| Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels. |
AS00.00-Z-0017-01A | |
| Notice | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Notice | Notes on coolant | AH20.00-P-2080-01KOA | |
| Notes on coolant level | AH20.00-P-1142-01CW | ||
| Remove/install | |||
| 1 | Open hood. | AR88.40-P-1000RG | |
| 2.1 | Remove upper engine cover. | Engine 178 in model 190 (except 190.381) | |
| 2.2 | Remove engine cover. | Engine 178.9 in model 190.381 with code M032 (Black Series version) |
|
| AP01.10-P-2405-01GT | |||
| 3 | Slowly open cap of the coolant expansion reservoir (1) and remove. | ||
| 4 | Suction off coolant from coolant expansion reservoir (1). | ||
| Fig 1 | |||
| 5 | Remove low-temperature circuit expansion reservoir (4). | Engine 178.9 in model 190.381 | |
| AR09.41-P-0001MNB | |||
| 6 | Remove bleed line (3) at coolant expansion reservoir (1). | AR20.20-P-7441-01RQ | |
| 7 | Unclip bleed line (2) at coolant expansion reservoir (1). | Engine 178 in model 190 (except 190.381) | |
| 8 | Remove nut (5). | Engine 178.9 in model 190.381 | |
| 9 | Remove coolant expansion reservoir (1) from holder. | ||
| 10 | Carefully lift coolant expansion reservoir (1). | ||
| 11 | Release and disconnect electrical connector from coolant expansion reservoir (1). | ||
| 12.1 | Remove coolant hose from coolant expansion reservoir (1). | Engine 178.9 in model 190.381 | |
| AR20.20-P-7441-01RQ | |||
| 12.2 | Remove coolant hose from coolant expansion reservoir (1). | Engine 178 in model 190 (except 190.381) | |
| Fig 2 | |||
| 13 | Remove coolant expansion reservoir (1) in upward direction. | ||
| 14 | Install in the reverse order. | ||
| Check | |||
| 15 | Check and, if necessary, correct the coolant level. | Engine 178 in model 190.381 | AR20.00-P-1142MNJ |
| Engine 178 in model 190 (except 190.381) | AR20.00-P-1142MNB | ||
| 16 | Check cooling system for leaks. | AR20.00-P-1010MNB | |
| Risk of burn injuries , suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust. | Wear protective clothing and safety glasses. Use the extraction system. Move people out of the danger zone. | AS49.00-Z-0001-01A | |
| 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 | |
| 17 | Perform engine test run. While doing so, check engine for proper operation and leak tightness. |