Remove/install heated O2 sensor - AR07.52-P-5303MLJ
ENGINES 157, 278 in MODEL 166
| Remove/install | |||
| Risk of injury caused by fingers being pinched or crushed when removing, installing or aligning hoods, doors, trunk lids, liftgates or sliding roof | Keep body parts and limbs well clear of moving parts. | AS00.00-Z-0011-01A | |
| Risk of death caused by vehicle slipping or toppling off of the lifting platform. | Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer. | AS00.00-Z-0010-01A | |
| 1 | Switch off ignition | ||
| 2 | Remove underfloor paneling | MODEL 166.0 | AR61.30-P-1001GQ |
| Detach left oxygen sensor upstream of CAT (G3/3) and left oxygen sensor downstream of CAT (G3/5) | |||
| 3 | Unclip electrical connection for left oxygen sensor upstream of CAT (G3/3x1), and electrical connection for left oxygen sensor downstream of CAT (G3/5x1) from bracket on transmission (5) | ||
| 4 | Detach left oxygen sensor upstream of CAT (G3/3) and left oxygen sensor downstream of CAT (G3/5) | ||
| *BA14.00-P-1005-01A | |||
| Figure | |||
| Paste, hot lubrication 1 kg, DB supply specification 6879.20 | *BR00.45-Z-1005-06A | ||
| Detach right oxygen sensor upstream of CAT (G3/4) and right oxygen sensor downstream of CAT (G3/6) | |||
| 5 | Unclip electrical connection for right oxygen sensor upstream of CAT (G3/4x1), and electrical connection for right oxygen sensor downstream of CAT (G3/6x1) from bracket on transmission (5) | ||
| 6 | Detach right oxygen sensor upstream of CAT (G3/4) and right oxygen sensor downstream of CAT (G3/6) | on the right (G3/4, G3/6). |
|
| *BA14.00-P-1005-01A | |||
| Figure | |||
| Paste, hot lubrication 1 kg, DB supply specification 6879.20 | *BR00.45-Z-1005-06A | ||
| 7 | Install in the reverse order | ||
| 8 | Read out fault memory with STAR DIAGNOSIS and erase if necessary | AD00.00-P-2000-04A | |
| Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running | Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. |
AS00.00-Z-0005-01A | |
| 9 | Test run engine and check exhaust system for leaks |
O2 SENSOR
| Number | Designation | Engines 157, 278 | |
|---|---|---|---|
| BA14.00-P-1005-01A | Control 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 |