Remove/Install Left Oxygen Sensor Upstream Of Catalytic Converter - AR07.04-P-0081MNG
Engine 177 in Model 253
| 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. |
AS49.00-Z-0001-01A | |
| 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 | |
| Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | ||
| Remove/install | |||
| 1 | Remove center and rear lower engine compartment paneling | AR61.20-P-1105LW | |
| 2 | Remove electrical connector (7) from bracket (6) | ||
| 3 | Release and disconnect electrical connection (7) | ||
| 4 | Remove electric line of left lambda sensor upstream of catalytic converter (G3/3) from brackets (arrows) | ||
| 5 | Remove left-hand air filter housing | AR09.10-P-1151MNG | |
| 6 | Remove right air filter housing | AR09.10-P-1152MNG | |
| 7 | Remove cover (3) | ||
| 8 | Remove lambda sensor on left before catalytic converter (G3/3) | ||
| *BA14.00-P-1001-02B | |||
| Paste, hot lubrication 1 kg, DBL 6879.20 | *BR00.45-Z-1005-06A | ||
| 9 | Cover sensor tip of left lambda sensor upstream of catalytic converter (G3/3) with a suitable protective cover | When reusing lambda sensor on left before catalytic converter (G3/3). | |
| Figure | |||
| 10 | Seal threaded hole of left lambda sensor upstream of catalytic converter (G3/3) using a suitable stop plug | Figure | |
| 11 | Check cover (5) for damage | In case of a complaint ↓ Replace cover (5). |
|
| *BA09.40-P-1006-01ZA | |||
| 12 | Read out and erase fault memory | AD00.00-P-2000-04B | |
| 13 | Install in the reverse order | ||
| 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 | |
| 14 | Perform an engine test run; check engine for functionality and exhaust system for leaktightness |
TURBOCHARGER
| Number | Designation | Engine 177 | |
|---|---|---|---|
| BA09.40-P-1006-01ZA | Bolt, upper heat shield to bracket/side heat shield | Nm | 9 |
OXYGEN SENSOR
| Number | Designation | Engine 177 | |
|---|---|---|---|
| BA14.00-P-1001-02B | Oxygen sensor upstream of catalytic converter to exhaust system at front | Nm | 50 |
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1005-06A | Paste, hot lubrication 1 kg, DBL 6879.20 | A 000 989 76 51 |