Remove/Install Left Oxygen Sensor Downstream Of Catalytic Converter - AR07.04-P-0082SC
Engine 176 in model 223
Fig 1: Left Oxygen Sensor Downstream Of Catalytic Converter Components Location - Model 223 With Engine 176
| 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 | |
| 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 | |
| Notice | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Notice | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Remove/install | |||
| 1 | Remove heat shield from exhaust gas turbocharger. | AR09.40-P-6044SC | |
| 2 | Unclip electric line (1) of lambda sensor (G3/5). | ||
| 3 | Unclip, release and disconnect electrical connector (2). | ||
| 4 | Remove lambda sensor (G3/5). | ||
| Note on calculation of tightening torque when using insertion or socket tools with various effective lengths | AH00.00-P-0015-01CW | ||
| *BA14.00-P-1001-02B | |||
| Paste, hot lubrication 1 kg, DBL 6879.20 | *BR00.45-Z-1005-06A | ||
| Fig 3 | |||
| 5 | Cover sensor tip of lambda sensor (G3/5) with protective cover. | Where lambda sensor (G3/5) will be reused. |
Fig 2 |
| 6 | Seal threaded hole of lambda sensor (G3/5) with suitable stop plug. | Fig 4 | |
| 7 | Install in the reverse order. | ||
| 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 engine test run. While doing so, check engine for proper operation and leak tightness. |
OXYGEN SENSOR
| Number | Designation | Engine 176 | |
|---|---|---|---|
| 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 |