D49.20-A016-79
1 | Temperature sensor | 4 | Screw clamp | 6 | SCR catalytic converter | ||
2 | Temperature sensor | 5 | Spring washer | 7 | Decoupling elements | ||
3 | Soot particulate sensor |
Danger | Risk of death caused by vehicle slipping or toppling off of the lifting platform. | Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. | |
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 | ||
| Remove/install | ||
1 | Raise vehicle. | ||
Topical note | Special instructions for lifting and supporting vehicle | ||
2 | Remove underbody paneling. |
| |
Installation: Install underfloor paneling only after the leak test. | |||
3 | Remove soot particulate sensor (3). | ||
Note on calculation of tightening torque when using insertion or socket tools with various effective lengths | |||
Installation: Apply heat-resistant lubricating paste to thread of the soot particulate sensor (3). | |||
Do not remove soot particulate sensor (3). | |||
Soot particulate sensor to SCR catalytic converter/rear muffler | |||
Paste, hot lubrication 1 kg, DBL 6879.20 | |||
Box wrench bit | |||
4 | Remove temperature sensor (1). | ||
Do not remove temperature sensor (1). | |||
5 | Remove temperature sensor (2). | ||
Do not remove temperature sensor (2). | |||
6 | Release screw clamp (4). | Installation: Replace screw clamp (4). | |
Clamp, exhaust pipe to SCR catalytic converter | |||
7 | Remove spring washer (5). | Installation: Check spring washer (5) for damage. | |
If necessary, | |||
| |||
replace damaged spring washer (5). | |||
8 | Remove SCR catalytic converter (6). | Press SCR catalytic converter (6) out of the decoupling elements (7) toward the rear. | |
| Check | ||
9 | Check decoupling elements (7) for wear and damage. | If necessary, | |
| |||
replace damaged or worn decoupling elements (7). | |||
10 | Install in the reverse order. | ||
| Check | ||
11 | Check installation position and unobstructed movement of the SCR catalytic converter (6). | If the installation position of the SCR catalytic converter (6) is incorrect or unobstructed movement is not OK, | |
| |||
Correct installation position of the SCR catalytic converter (6). | |||
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. | |
12 | Check exhaust system for leaks with the engine running. | Visual inspection only. |
000 589 71 03 00
Box wrench bit
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