AR14.40-W-2008A | Remove/install pressure reservoir at pump module of exhaust aftertreatment system | 25.3.11 |
ENGINES 541.9 in MODEL 930, 932, 933, 934 with CODE (MS4) BlueTec 4
ENGINES 541.9 in MODEL 930, 932, 933, 934 with CODE (MS5) BlueTec 5
ENGINES 542.9 in MODEL 930, 932, 934 with CODE (MS4) BlueTec 4
ENGINES 542.9 in MODEL 930, 932, 934 with CODE (MS5) BlueTec 5
W14.40-1019-08
1 Pump module
2 Coolant lines
3 Pressure reservoir housing
6 Valve
7 Housing cover
4 Pressure reservoir
5 O-ring
Modification notes
23.3.11 | Pressure reservoir for pump module altered, added. | Step 1 | |
Charge pressure reservoir (4) with compressed air, added. | Operation step 6 |
| Removing | ||
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 | Detach protective cap on valve (6) | If there is still a valve cap and protective cap on pressure reservoir (4) in the previous version a valve cap in a new version must be installed. The new valve cap possesses an inner seal and is installed without a protective cap. | |
| pressure reservoir for pump module altered | ||
2 | Drain pressure reservoir (4) | Press valve (6) until pressure reservoir (4) empties fully. | |
3 | Remove housing cover (7) with pressure reservoir (4) | ||
| Install | ||
4 | Clean housing cover (7) with pressure reservoir (4) and pressure reservoir housing (3) and inspect for damage | Replace housing cover (7) with pressure reservoir (4) if necessary. | |
5 | Install housing cover (7) with pressure reservoir (4) | Clean contact surfaces for O ring (5) using clean rags and water. | |
Coat O-ring (5) before assembly thinly with lubricant. | |||
Always use the specified lubricant and make sure that it is applied extremely sparingly since otherwise it may damage the exhaust aftertreatment system. | |||
| |||
6 | Inflate pressure reservoir (4) with compressed air | ||
7 | Check housing cover (7) for signs of leaks | Visual inspection. |
Exhaust aftertreatment
Number | Designation | Engine 541.9 | Engine 542.9 | |||
BA14.40-N-1011-02A | Pressure reservoir housing cover on pump module | Nm | 4 | 4 | ||
Repair materials
Number | Designation | Order number |
BR00.45-Z-1019-06A | ABS sensor grease | A 000 989 62 51 10 |