S49.20-A079-78
1 | Bolts | B19/8 | Temperature sensor downstream of oxidation catalytic converter | |
2 | Bracket | B19/11 | Temperature sensor upstream of turbocharger | |
B16/10 | High-pressure exhaust gas recirculation temperature sensor | B175 | Temperature sensors sensor unit | |
B16/19 | Exhaust gas temperature sensor upstream of diesel particulate filter (DPF) |
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. | |
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. | |
Caution | 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. | |
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 transmitter range (min. 2 m). | ||
2 | Remove cover of cylinder head cover. | ||
3 | Remove high-pressure exhaust gas recirculation temperature sensor (B16/10). | Temperature sensor to SCR catalytic converter/exhaust gas turbocharger/exhaust manifold/valve housing | |
Box wrench socket | |||
4 | Release electrical wiring harness for high-pressure exhaust gas recirculation temperature sensor (B16/10) from retaining clips (2). | ||
5 | Remove exhaust gas temperature sensor upstream of diesel particulate filter (DPF) (B16/19). | Temperature sensor to SCR catalytic converter/exhaust gas turbocharger/exhaust manifold/valve housing | |
Box wrench socket | |||
6 | Release electrical wiring harness for exhaust gas temperature sensor upstream of diesel particulate filter (DPF) (B16/19) from retaining clips (2). | ||
7 | Raise vehicle. | ||
8 | Remove temperature sensor upstream of exhaust gas turbocharger (B19/11). | Temperature sensor to SCR catalytic converter/exhaust gas turbocharger/exhaust manifold/valve housing | |
Box wrench socket | |||
9 | Release electrical wiring harness for temperature sensor upstream of exhaust gas turbocharger (B19/11) from retaining clips (2). | ||
10 | Remove temperature sensor downstream of oxidation catalytic converter (B19/8). | Temperature sensor to SCR catalytic converter/exhaust gas turbocharger/exhaust manifold/valve housing | |
Box wrench socket | |||
11 | Release electrical wiring harness for temperature sensor downstream of oxidation catalytic converter (B19/8) from retaining clips (2). | ||
12 | Lower vehicle. | ||
13 | Remove screws (1) from temperature sensor control unit (B175). | Bolt, sensor unit for temperature sensors to holder | |
14 | Remove temperature sensor control unit (B175) with sensors. | ||
15 | Install in the reverse order. | ||
| 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. | |
16 | Perform engine test run. While doing so, check engine for proper operation and leak tightness. |
000 589 77 03 00
Box wrench socket
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