Remove/install heated O2 sensor - AR07.52-P-5303RKC
ENGINE 279 in MODEL 231
| 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 | |
| Remove/install | |||
| 1 | Switch off ignition and remove transmitter key (A8/1) or KEYLESS-GO start/stop button (S2/3) from electronic ignition lock control unit (N73) | ||
| 2 | Remove bottom engine compartment paneling | AR61.20-P-1105RK | |
| 3 | Unclip electrical connection for left oxygen sensor downstream of CAT (G3/5x1) or electrical connection for right oxygen sensor downstream of CAT (G3/6x1) from the retaining clamps on transmission and expose electrical lines | ||
| 4 | Disconnect electrical connection for left oxygen sensor downstream of CAT (G3/5x1) or electrical connection for right oxygen sensor downstream of CAT (G3/6x1) | ||
| 5 | Unclip electrical connection for left oxygen sensor upstream of CAT (G3/3x1) or electrical connection for right oxygen sensor upstream of CAT (G3/4x1) from the retaining clamp at rear on the respective charge air cooler on the left or right and expose electrical lines | ||
| 6 | Disconnect electrical connection for left oxygen sensor downstream of CAT (G3/3x1) or electrical connection for right oxygen sensor downstream of CAT (G3/4x1) | ||
| 7 | Remove left oxygen sensor upstream of CAT (G3/3) or right oxygen sensor upstream of CAT (G3/4) or left oxygen sensor downstream of CAT (G3/5) or right oxygen sensor downstream of CAT (G3/6) | ||
| *BA14.00-P-1002-01A | |||
| *BA14.00-P-1005-01A | |||
| Paste, hot lubrication 1 kg, DB supply specification 6879.20 | *BR00.45-Z-1005-06A | ||
| Figure | |||
| 8 | Install in the reverse order | ||
| 9 | Read out fault memory with STAR DIAGNOSIS and delete if necessary | ||
| Connect STAR DIAGNOSIS and read out fault memory | AD00.00-P-2000-04A | ||
| 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 | |
| 10 | Perform an engine test run and check exhaust system for leaktightness |
OXYGEN SENSOR
| Number | Designation | ENGINE 279 | |
|---|---|---|---|
| BA14.00-P-1002-01A | Oxygen sensor at catalytic converter | Nm | 50 |
OXYGEN SENSOR
| Number | Designation | ENGINE 279 | |
|---|---|---|---|
| BA14.00-P-1005-01A | Oxygen sensor upstream of catalytic converter | Nm | 50 |
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1005-06A | Paste, hot lubrication 1 kg, DB supply specification 6879.20 | A 000 989 76 51 |