W49.20-1174-09
1 | Exhaust aftertreatment unit | 4 | Sensor bush | B37 | Exhaust pressure sensor upstream of diesel oxidation catalytic converter | ||
2 | Retaining screw | 5 | Electrical connector | ||||
3 | Nut | 6 | Pressure line |
Danger ! | 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. | |
Danger ! | 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. | |
| Notes on self-locking nuts and bolts | ||
| Remove | ||
1 | Switch off ignition | ||
2 | Disconnect electrical connection (5) | ||
3 | Remove exhaust pressure sensor upstream of the diesel oxidation catalytic converter (B37) at the sensor bush (4) | ||
| Install | ||
4 | Screw on retaining screw (2) and remove pressure line (6) at the sensor bush (4) | ||
5 | Screw on nut (3) in order to loosen the sensor bush (4) on bracket | ||
6 | Coat thread of the exhaust pressure sensor upstream of diesel oxidation catalytic converter (B37) with lubricant | Paste, hot lubrication 100 g DBL 6879.20 | |
7 | Attach exhaust pressure sensor upstream of the diesel oxidation catalytic converter (B37) to the sensor bush (4) | Exhaust pressure sensor to connection fitting | |
8 | Connect electrical connection (5) | ||
9 | Align electrical connection (5) through twisting the sensor bush (4) relative to the wiring harness | | |
10 | Fit pressure line (6) to the sensor bush (4) | Pressure line to connection fitting | |
11 | Cover nut (3) in order to the attach sensor bush (4) to the bracket | Connection fitting to bracket |