AR14.40-W-2007B | Remove/install pump module for exhaust aftertreatment system | 30.11.11 |
ENGINES 457.9 with CODE (MS4) BlueTec 4
ENGINES 457.9 with CODE (MS5) BlueTec 5
W14.40-1238-09
1 Line fitting for AdBlue (suction)
2 Line fitting for AdBlue (feed line)
3 Line fitting for AdBlue (return line)
7 Electrical connector
8 Pump module
9 Chassis-side hose line harness
4 Compressed air connector
5 Line fitting for coolant (outlet)
6 Line fitting for coolant (inlet)
| Remove/install | ||
Danger! | Risk of burn injuries and scalding when working at AdBlue lines and the components attached to them. Risk of injury to skin and eyes when handling AdBlue. Risk of poisoning caused by swallowing AdBlue | Only pour AdBlue into suitable containers. Wait until the pressure is released before starting any work on the exhaust aftertreatment system. | |
| Notes on use, material properties and handling of AdBlue | ||
1 | Open maintenance flap | ||
2 | Switch off ignition | ||
Danger! | Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning caused by 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. | |
3 | Release pressure in coolant circuit | ||
| Notes on coolant | ||
4 | Clamp off coolant lines at coolant line fittings (5, 6) using clamping devices | Clamping device | |
5 | Remove coolant lines from coolant line fittings (5, 6) | Mark coolant lines relative to coolant line fittings (5, 6). Collect coolant in clean container. | |
Installation: Replace O-rings. Observe identification of coolant lines relative to coolant line fittings (5, 6). Pour caught coolant back into coolant circuit after installing pump module (8). | |||
6 | Disconnect electrical connector (7) on pump module (8) | The disconnected electrical connector (7) must not come into contact with AdBlue. This could cause damage in the wiring harness and the SCR frame module control unit. | |
7 | Check electrical wiring harness | ||
8 | Remove compressed air connector (4) at pump module (8) | | |
9 | Open insulating tubing in area of AdBlue line fittings (2, 3) to a length of about 20 cm and push back | Roller tongs | |
10 | Open insulating tubing in area of AdBlue line fitting (1) to a length of about 10 cm and push back | Roller tongs | |
11 | Clamp off AdBlue line using a clamping device and remove at AdBlue line fitting (1) | ||
12 | Clamp off AdBlue lines using clamping devices and remove at AdBlue line fittings (2, 3) | Mark AdBlue lines to AdBlue line fittings (2, 3). | |
Installation: Replace O-rings. Observe identification of AdBlue lines relative to AdBlue line fittings (2, 3). | |||
Clamping device | |||
| Pump module altered | ||
13 | Remove pump module (8) | | |
| Pump module altered | ||
14 | Install in the reverse order | ||
15 | Fill pressure reservoir for pump module | Only if the pump module is replaced. | |
Fill AdBlue pressure reservoir | Engine 457 in model 375.4, 940, 942, 943, 944 | ||
Fill AdBlue pressure reservoir | Engine 457 in model 958 | ||
Danger! | Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns from working on the vehicle as it is being started or when the engine is running | Secure vehicle to prevent it from starting off by itself. | |
16 | Start engine | ||
Danger! | Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning caused by 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. | |
17 | Inspect cooling system for leaks | ||
18 | Check coolant level, correct if necessary | Model 375.4, 940, 942, 943, 944 | |
Type 958 |
Compressed air lines
Number | Designation | Model | Model | ||
BA00.18-N-1003-01A | Compressed air connection system | M101 | Nm | 5 | 5 |
Exhaust aftertreatment
Number | Designation | Engine | |||
BA14.40-N-1010-02B | Pump module on bracket | Nm | 60 | ||
950 589 01 37 00
Roller tongs
Circuit
000 589 54 37 00
Referenced documents
- ah1440n000101a Notes on use, material properties and handling of AdBlue®
- ah2000n208001a Notes on coolant
- ap1440w1490a Fill AdBlue pressure reservoir
- ap1440w1490g Fill AdBlue pressure reservoir
- ap2000w2010a Engine cooling system - check fluid level, adjust to correct level. Inspect anticorrosion/antifreeze protection, adjust to correct concentration
- ap2000w2010g Engine cooling system - check fluid level, adjust to correct level. Inspect anticorrosion/antifreeze protection, adjust to correct concentration
- ar1440w2033a Check wiring harness of pump module
- ar2000w1010c Inspecting the cooling system for leaks
- as0000z000501a 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.
- as1440z000101a Risk of burn injuries and scalding when working at AdBlue lines and the components attached to them. Risk of injury to skin and eyes when handling AdBlue. Risk of poisoning caused by swallowing AdBlue
- as2000z000101a Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant.
- bt1440w000101a Pump module altered