Remove/install heated O2 sensor - AR07.52-P-5303CMG
ENGINE 156 in MODEL 204, 212
| Remove/install | |||
| Risk of injury to skin and eyes caused by handling hot or glowing objects. | Wear safety gloves, protective clothing and safety glasses, if necessary. | AS00.00-Z-0002-01A | |
| Risk of death caused by vehicle slipping or toppling off 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 lower engine compartment paneling | ||
| Remove oxygen sensor (G3/5 or G3/6) downstream of/in catalytic converter | |||
| 3 | Remove respective catalytic converter | Only on model 212 | AR49.10-P-7100EW |
| 4 | Unclip electrical connector (G3/5x1 or G3/6x1) at bracket and disconnect | ||
| 5 | Unclip electrical feed line for oxygen sensor (G3/5 or G3/6) from retaining clip on transmission | ||
| 6 | Detach oxygen sensor (G3/5 or G3/6) | *BA14.00-P-1004-01A | |
| Fig 2 | |||
| Paste | *BR00.45-Z-1005-06A | ||
| Remove oxygen sensor (G3/3 or G3/4) upstream of catalytic converter | |||
| 7 | Unclip electrical connector (G3/3x1 or G3/4x1) at bracket and disconnect | ||
| 8 | Unclip electrical feed line of oxygen sensor (G3/3 or G3/4) from retaining clip on transmission | ||
| 9 | Remove respective catalytic converter | Model 204 | AR49.10-P-7100CW |
| Model 212 | AR49.10-P-7100EW | ||
| 10 | Detach oxygen sensor (G3/3 or G3/4) | ||
| *BA14.00-P-1005-01A | |||
| Fig 2 | |||
| Paste | *BR00.45-Z-1005-06A | ||
| 11 | Install in the reverse order | ||
| 12 | Connect STAR DIAGNOSIS and read out fault memory | ||
| 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 | |
| 13 | Test run engine and check exhaust system for leaks |
O2 SENSOR
| Number | Designation | ENGINE 156 | |
|---|---|---|---|
| BA14.00-P-1004-01A | Diagnostic sensor downstream of catalytic converter | Nm | 50 |
| 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 |