Remove/Install Oxygen Sensor Upstream Of Catalytic Converter - AR07.04-P-0086MSA
Engine 256.9 in model 213, 238, 257, 290
Fig 1: Oxygen Sensor Upstream Of Catalytic Converter Components Location - Engine 256.9 In Model 257
| 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 | |
| Topical note | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Topical note | 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 | Unclip electric line of lambda sensor upstream of catalytic converter (G3/2) from bracket (arrow B). | ||
| 3 | Release electrical connector (1) and disconnect. | ||
| 4 | Remove lambda sensor upstream of catalytic converter (G3/2) and seal threaded hole in catalytic converter with suitable stop plug. | ||
| *BA14.00-P-1001-02C | |||
| Paste, hot lubrication 1 kg, DBL 6879.20 | *BR00.45-Z-1005-06A | ||
| Fig 4 | |||
| Fig 2 | |||
| 5 | Cover sensor tip of lambda sensor upstream of catalytic converter (G3/2) with protective cover. | When reusing lambda sensor upstream of catalytic converter (G3/2). | |
| Fig 3 | |||
| 6 | Install in the reverse order. | ||
| 7 | 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 | |
| 8 | Perform an engine test run and check engine for functionality and exhaust system for leak tightness. | ||
| 9 | Install upper engine cover. | AR01.10-P-2405MSA |
OXYGEN SENSOR
| Number | Designation | Engine 256 | |
|---|---|---|---|
| BA14.00-P-1001-02C | Oxygen sensor upstream 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 |