S49.20-A016-79
1 | Diesel oxidation catalytic converter | 6 | Exhaust gas temperature sensor upstream of diesel oxidation catalytic converter | 10 | Electrical connector | ||
2 | Noise insulation | 7 | Electrical connector | 11 | Electrical line | ||
3 | Vacuum line | 8 | AdBlue®metering valve | 12 | Electrical wiring harness | ||
4 | Resonator | 9 | Clip | 16 | Clip | ||
5 | NOxsensor |
S49.20-A017-79
1 | Diesel oxidation catalytic converter | 14 | Bolts | 16 | Clip | ||
13 | Bolts | 15 | Clip |
S49.20-A023-79
1 | Diesel oxidation catalytic converter | 15 | Clip | 17 | Seal |
18 | Seal |
19 | Low-pressure turbocharger |
S49.20-A024-76
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. | |
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 self-locking nuts and bolts | ||
Topical note | Notes on avoiding damage through contamination and foreign objects | ||
| Remove | ||
1 | Remove air intake pipe. | ||
2 | Remove noise insulation (2). | ||
3 | Remove vacuum line (3) from resonator box (4). | ||
4 | Remove the resonator box (4). | WIS Service Media | |
5 | Remove NOx sensor (5) with control unit upstream of diesel oxidation catalytic converter (1). | ||
6 | Remove exhaust temperature sensor upstream of diesel oxidation catalytic converter (6). | ||
7 | Remove exhaust gas temperature sensor upstream of diesel particulate filter. | ||
8 | Disconnect electrical connection (7) from AdBlue® metering valve (8). | ||
9 | Open the clamp (9) and place the AdBlue® metering valve (8) to one side with connected lines. | ||
10 | Remove the seal of the AdBlue® metering valve (8). | ||
11 | Seal the AdBlue® metering valve (8) with a protective cover. | Set of protective caps | |
| Clean | ||
12 | Clean the seat of the AdBlue® metering valve (8) on the diesel oxidation catalytic converter (1) with a lint-free rag. | If the diesel oxidation catalytic converter (1) is re-used. | |
13 | Seal opening at diesel oxidation catalytic converter (1) with protective cover. | Set of protective caps | |
14 | Disconnect electrical connector (10). | ||
15 | Expose the electrical line (11) and place to one side. | ||
16 | Expose the electrical wiring harness (12) and place to one side. | ||
17 | Unscrew bolts (13). | ||
18 | Remove screws (14). | ||
19 | Unscrew the screw on the clamp (15) and open the clamp (15). | ||
20 | Remove clamp (16). | ||
21 | Remove diesel oxidation catalytic converter (1) upward. | WIS Service Media | |
22 | Remove clamp (15) from the diesel oxidation catalytic converter (1). | If the diesel oxidation catalytic converter (1) is re-used. | |
23 | Remove the seal (17) from the diesel oxidation catalytic converter (1). | If the diesel oxidation catalytic converter (1) is re-used. | |
24 | Remove the heat shield from the diesel oxidation catalytic converter (1). | If the diesel oxidation catalytic converter (1) is being replaced. | |
25 | Remove the seal (18) from the low-pressure turbocharger (19). | ||
| Clean | ||
26 | Clean the connecting points on the diesel oxidation catalytic converter (1). | If the diesel oxidation catalytic converter (1) is re-used. | |
Assembly cleaner | |||
27 | Clean the connecting points on the low-pressure turbocharger (19) and the diesel particulate filter. | Assembly cleaner | |
| Check | ||
28 | Check the elastomer bearings of the resonator box (4) for damage. | If damage is identified, | |
| |||
replace the damaged elastomer bearing of the resonator box (4). | |||
29 | Check the elastomer bearing of the resonator box (4) are seated correctly. | If necessary, | |
| |||
position the relevant elastomer bearing of the resonator box (4) correctly. | |||
| Install | ||
30 | Attach a new seal (18) to the low-pressure turbocharger (19). | ||
31 | Attach the heat shield to the diesel oxidation catalytic converter (1). | If the diesel oxidation catalytic converter (1) has been replaced. | |
32 | Attach a new seal (17) to the diesel oxidation catalytic converter (1). | ||
33 | Position a new clamp (15) on the diesel oxidation catalytic converter (1). | ||
34 | Insert the diesel oxidation catalytic converter (1) and position it. | ||
35 | Tighten screw/bolts (13) slightly by hand. | ||
36 | Tighten screw/bolts (14) slightly by hand. | ||
37 | Place a new screw into the new clamp (16) and tighten it. | Clamp/flange connection, diesel oxidation catalytic converter to exhaust gas turbocharger | |
38 | Tighten new clamp (15). | Clamp to diesel oxidation catalytic converter and SCR catalytic converter diesel particulate filter unit | |
39 | Tighten screws (13). | Screw, diesel particulate filter to SCR catalytic converter diesel particulate filter unit | |
40 | Tighten screws (14). | Screw, diesel oxidation catalytic converter to bracket | |
41 | Route electrical wiring harness (12). | ||
42 | Install the electrical line (11). | ||
43 | Connect the electrical connector (10). | ||
44 | Remove the protective covers from the AdBlue® metering valve (8) and from the opening on the diesel oxidation catalytic converter (1). | ||
45 | Attach a new seal to the AdBlue® metering valve (8). | ||
46 | Attach the AdBlue® metering valve (8) to the diesel oxidation catalytic converter (1). | ||
47 | Install a new clamp (9) and tighten it. | Screw, clamp of AdBlue® metering valve to diesel oxidation catalytic converter | |
48 | Connect the electrical connector (7) to the AdBlue® metering valve (8). | ||
49 | Install the exhaust gas temperature sensor upstream of the diesel particulate filter. | ||
50 | Install exhaust temperature sensor upstream of diesel oxidation catalytic converter (6). | ||
51 | Install NOx sensor (5) with control unit upstream of diesel oxidation catalytic converter (1). | ||
52 | Wet the elastomer bearing of the resonator boxes (4) with lubricant. | Lubricant, rubber assembly 1 l | |
53 | Install resonator box (4). | ||
54 | Attach the vacuum line (3) to the resonator box. | ||
55 | Install noise insulation (2). | ||
56 | Install air intake pipe. | ||
| Check | ||
57 | Read out and delete fault memory. | ||
| |||
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. | |
58 | Carry out engine test run and check leak tightness of diesel oxidation catalytic converter (1). |
001 589 00 91 00
Set of protective caps
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