Remove/Install Oxygen Sensor Downstream Of Catalytic Converter - AR07.04-P-0085MSA
Engine 256.9 In Model 213, 238, 257, 290
Fig 1: Oxygen Sensor Downstream Of Catalytic Converter Components Location - Engine 256.9 In Model 238
| 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 danger zone. |
AS49.00-Z-0001-01A | |
| Notice | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Notice | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Remove/install | |||
| 1 | Remove upper engine cover. | AR01.10-P-2405MSA | |
| 2 | Remove the heat shield above the exhaust gas turbocharger. | *BA09.40-P-1004-02MRT | |
| 3 | Unclip the electrical lines from the brackets (arrow A, B). | ||
| 4 | Release and disconnect electrical connector (2). | ||
| 5 | Remove the oxygen sensor downstream of the catalytic converter (G3/1) and seal the threaded hole in the catalytic converter using a suitable stop plug. | *BA14.00-P-1002-02C | |
| Paste, hot lubrication 1 kg, DBL 6879.20 | *BR00.45-Z-1005-06A | ||
| Fig 4 | |||
| Fig 2 | |||
| 6 | Cover the tip of the oxygen sensor downstream of the catalytic converter (G3/1) with a protective cover. | If the oxygen sensor downstream of the catalytic converter (G3/1) is reused. |
Fig 3 |
| 7 | Install in the reverse order. | ||
| 8 | Read out and delete fault memory. | ||
| Engine 256.9 in model 213 | AD00.00-P-2000-04B | ||
| Engine 256.9 in model 238 | AD00.00-P-2000-06LWO | ||
| Engine 256.9 in model 257, 290 | AD00.00-P-2000-06FR | ||
| Check | |||
| 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 | |
| 9 | Perform an engine test run; check the engine for proper operation and the exhaust system for leaks. | ||
| 10 | Install upper engine cover. | AR01.10-P-2405MSA |
TURBOCHARGER
| Number | Designation | Engine 256.9 | |
|---|---|---|---|
| BA09.40-P-1004-02MRT | Nut/screw, heat shield to exhaust gas turbocharger/heat shield | Nm | 8 |
OXYGEN SENSOR
| Number | Designation | Engine 256 | |
|---|---|---|---|
| BA14.00-P-1002-02C | Oxygen sensor downstream of catalytic converter | 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 |