(Remove/Install Left Nox Sensor Upstream Of Nox Storage Catalytic Converter - AR14.40-P-0003MND)
Engine 276.853 in model 213
| 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. Deburr repair panels. |
AS00.00-Z-0017-01A | |
| 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. | AS00.00-Z-0002-01A | |
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Notes on self-locking nuts and bolts | AH00.00-N-0001-01A | ||
| Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | ||
| Note on calculation of tightening torque when using insertion or socket tools with various effective lengths | AH00.00-P-0015-01CW | ||
| Remove | |||
| 1 | Switch off ignition and store transmitter key outside of transmission range (min. 2 m) | ||
| 2 | Release left underfloor paneling in area of electrical connections | AR61.30-P-1001LWE | |
| 3 | Release and disconnect electrical connection of NOx sensor control unit (31) upstream of NOx storage catalytic converter | ||
| 4 | Unscrew nuts for NOx sensor control unit (31) | ||
| 5 | Unclip electrical line from holder | ||
| 6 | Remove NOx sensor (31) upstream of NOx storage catalytic converter | Fig 1 | |
| 7 | Cover probe tip of the NOx sensor (31) upstream of NOx storage catalytic converter with protective cover | When reusing the NOx sensor (31). | |
| Fig 2 | |||
| 8 | Close off threaded hole of the NOx sensor (31) upstream of NOx storage catalytic converter using a suitable stop plug | Fig 3 | |
| 9 | Check NOx sensor (31) using an electrical line and control unit | For damage ↓ Replace NOx sensor (31). |
|
| Install | |||
| 10 | Remove protective cover from probe tip of NOx sensor (31) | When reusing the NOx sensor (31). | |
| Fig 2 | |||
| 11 | Remove the stop plug from the threaded hole of the NOx sensor (31) | Fig 3 | |
| 12 | Coat thread of NOx sensor (31) with heat-resistant lubricant | When reusing the NOx sensor (31). Paste, hot lubrication 1 kg, DBL 6879.20 |
*BR00.45-Z-1005-06A |
| 13 | Position NOx sensor (31) and screw in | *BA07.04-P-1001-01E | |
| Fig 1 | |||
| 14 | Screw on nuts for NOx sensor control unit (31) | ||
| 15 | Clip electrical line into holder | ||
| 16 | Put together electrical connection of NOx sensor control unit (31) and lock | ||
| 17 | Fasten the left underfloor paneling | AR61.30-P-1001LWE | |
| 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. | AS00.00-Z-0005-01A | |
| 18 | Perform an engine test run and check exhaust system for leaktightness |
NOX SENSOR
| Number | Designation | Engine 276 | |
|---|---|---|---|
| BA07.04-P-1001-01E | NOx sensor to exhaust pipe | Nm | 60 |
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1005-06A | Paste, hot lubrication 1 kg, DBL 6879.20 | A 000 989 76 51 |