S07.04-A056-79
1 | Differential pressure sensor | 3 | Electrical connector | 5 | Hoses | ||
2 | Pressure lines | 4 | Screw |
Warning | 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. | |
Warning | 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 hazard area. | |
Topical note | Notes on avoiding damage through contamination and foreign objects | ||
Topical note | Information on preventing damage to electronic components due to electrostatic discharge | ||
| Remove/install | ||
1 | Switch off ignition and store transmitter key outside of transmission range (min. 2 m). | ||
2 | Remove bottom engine compartment paneling. | ||
Installation: Only install lower engine compartment paneling after leak test. | |||
3 | Remove pressure lines (2) from exhaust gas aftertreatment unit. | Plug openings. | |
Record plug | |||
4 | Lower vehicle. | ||
5 | Remove engine air intake duct downstream of air filter. | ||
6 | Disconnect electrical connector (3). | ||
7 | Remove differential pressure sensor (1) with pressure lines (2) upwards. | To do this, remove screw (4). | |
Bolt, differential pressure sensor to bracket | |||
8 | Remove hoses (5) from differential pressure sensor (1). | When replacing the differential pressure sensor (1). | |
To do this, loosen the hose clamps (5). | |||
Hose clamp pliers | |||
9 | Install in the reverse order. | ||
10 | Connect vehicle diagnosis system and read out fault memory. | ||
| Connect STAR DIAGNOSIS and read out fault memory | ||
If stored faults exist | |||
| |||
Erase the fault memory. | |||
| Check | ||
Warning | 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. | |
11 | Check for leaktightness when engine is running. | Visual inspection only. |
454 589 00 37 00
Hose clamp pliers
129 589 00 91 00
Record plug
Referenced documents
- ad0000s200004c Connect STAR DIAGNOSIS and read out fault memory
- ah0000p500001a Notes on avoiding damage through contamination and foreign objects
- ah5400p000101a Information on preventing damage to electronic components due to electrostatic discharge
- ar0910s8130cd Remove/install engine intake air duct downstream of air filter
- ar6120s1105c Remove/install lower engine compartment lining
- as0000z000201a Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.
- 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.
- as4900z000101a 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.