Remove/Install Coolant Pump - AR20.10-P-1271MFC
Engine 260 in model 118, 177, 247
Shown on model 177 with engine 260 without code M016 (performance-enhanced engine)
Shown on engine without code M016 (performance-enhanced 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 | |
| Risk of injury . Moving parts can pinch, crush or, in extreme cases even sever extremities. | No parts of the body or limbs should be within the area of mechanical components when moving components. | AS00.00-Z-0009-01A | |
| 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 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 coolant | AH20.00-P-2080-01KOA | |
| Notice | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Notice | Notes on threaded connections fastened using a tightening angle-based tightening process | AH00.00-P-0020-01A | |
| Notes on safety-relevant components | AH00.00-Z-0019-01A | ||
| Notes on coolant level | AH20.00-P-1142-01CW | ||
| Remove/install | |||
| 1 | Drain off coolant. | AR20.00-P-1142MFC | |
| 2 | Remove the alternator (G2). | AR15.40-P-5032MFC | |
| 3 | Remove heat shield at exhaust gas turbocharger. | AR09.40-P-6045MFC | |
| 4 | Remove lambda sensor downstream of catalytic converter (G3/1). | AR07.04-P-0085MFC | |
| 5 | Remove screws (1, 2), remove oil return feed line (3) and seal openings with suitable stop plugs. | ||
| *BA09.40-P-1002-02G | |||
| Fig 3 | |||
| 6 | Unclip electrical wiring harness at cooling pipe (4) (arrows). | If cable attachments are damaged, ↓ Replace cable attachments. |
|
| 7 | Remove nut (5), screw (7) and support (6). | *BA09.40-P-1005-02G | |
| *BA09.40-P-1004-02G | |||
| 8 | Remove coolant hose (8) at coolant connection (23) and cooler, place to one side and seal using suitable protective covers. | Fig 4 | |
| Fig 2 | |||
| 9 | Remove coolant hose (9) at coolant connection (23) and seal openings using suitable protective covers. | Fig 2 | |
| Fig 4 | |||
| 10 | Remove screws (10, 22) of coolant lines (11, 12) and oil feed line (13) at exhaust gas turbocharger, bracket and crankcase. | *BA09.40-P-1003-02G | |
| *BA09.40-P-1002-02G | |||
| 11 | Remove coolant lines (11, 12), oil line (13) and seal exposed openings with suitable stop plugs. | ||
| Fig 3 | |||
| 12 | Remove coolant hose (14) from coolant line (15), seal with suitable stop plugs and protective covers. | Fig 4 | |
| Fig 3 | |||
| Fig 2 | |||
| 13 | Remove screws (16) at coolant line (15) at cylinder head, water pump and at crankcase and place to one side. | *BA20.10-P-1003-01AC | |
| 14 | Remove screws (17) of coolant pipe (18) at crankcase and water pump. | *BA20.10-P-1003-01AC | |
| 15 | Remove screws (19) at coolant connection (23). | *BA20.10-P-1002-01AC | |
| 16 | Place coolant connection (23) with coolant pipe (18) to one side. | Do not press coolant connection (23) too far to side. Coolant pipe (18) will otherwise be damaged. |
|
| 17 | Remove screws (20) at coolant pump (21). | *BA20.10-P-1001-01AC | |
| 18 | Remove coolant pump (21) from crankcase, collect escaping coolant with suitable container and seal openings with suitable means. | ||
| 19 | Remove coolant hose (14) from coolant pump (21). | If coolant pump (21) is replaced. | |
| 20 | Install in the reverse order. | ||
| 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 | |
| 21 | Perform engine test run and check engine cooling system in area of water pump for leaks. | AR20.00-P-1010MFD |
TURBOCHARGER
| Number | Designation | Engine 260 | ||
|---|---|---|---|---|
| BA09.40-P-1002-02G | Bolt, feed line/return line to turbocharger/crankcase | Stage 1 | Nm | 8 |
| Stage 2 | ∠° | 60 | ||
TURBOCHARGER
| Number | Designation | Engine 260 | |
|---|---|---|---|
| BA09.40-P-1003-02G | Bolt, coolant return line to oil line | Nm | 5 |
TURBOCHARGER
| Number | Designation | Engine 260 | |
|---|---|---|---|
| BA09.40-P-1004-02G | Nut, turbocharger support brace to turbocharger | Nm | 30 |
TURBOCHARGER
| Number | Designation | Engine 260 | ||
|---|---|---|---|---|
| BA09.40-P-1005-02G | Bolt, turbocharger support brace to crankcase | Stage 1 | Nm | 15 |
| Stage 2 | ∠° | 90 | ||
COOLANT PUMP, COOLANT THERMOSTAT
| Number | Designation | Engine 260 | |
|---|---|---|---|
| BA20.10-P-1001-01AC | Screw, coolant pump to timing case/crankcase/oil pan | Nm | 20 |
COOLANT PUMP, COOLANT THERMOSTAT
| Number | Designation | Engine 260 | |
|---|---|---|---|
| BA20.10-P-1002-01AC | Bolt, ball valve to coolant pump | Nm | 10 |
COOLANT PUMP, COOLANT THERMOSTAT
| Number | Designation | Engine 260 | |
|---|---|---|---|
| BA20.10-P-1003-01AC | Bolt, feed pipe to coolant pump | Nm | 10 |