Remove/install heated O2 sensor - AR07.52-P-5303MMI
ENGINES 152.9 in MODEL 172.4
| 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 | |
| 1 | Switch off ignition | ||
| 2 | Remove engine compartment paneling | AR61.20-P-1105W | |
| Remove LH oxygen sensors (G3/3 or G3/5) | |||
| 3 | Unclip electrical connection (G3/3x1, G3/5x1) for oxygen sensor from bracket on transmission (5) and disconnect | ||
| 4.1 | Unclip electrical line for oxygen sensor (G3/3) on oil pan bracket, on cylinder crankcase and on heat shield for engine mount | ||
| 4.2 | Unclip electrical line for oxygen sensor (G3/5) on oil pan brackets | ||
| 5 | Remove oxygen sensor (G3/3 or G3/5) from LH catalytic converter (1) | ||
| *BA14.00-P-1004-01A | |||
| *BA14.00-P-1005-01A | |||
| Fig 3 | |||
| Paste | *BR00.45-Z-1005-06A | ||
| Remove RH oxygen sensors (G3/4 or G3/6) | |||
| 6 | Unclip electrical connection (G3/4x1, G3/6x1) for oxygen sensor from bracket on transmission (5) and disconnect | ||
| 7 | Remove oxygen sensor (G3/4 or G3/6) from RH catalytic converter | ||
| *BA14.00-P-1004-01A | |||
| *BA14.00-P-1005-01A | |||
| Fig 3 | |||
| Paste | *BR00.45-Z-1005-06A | ||
| 8 | Install in the reverse order | ||
| 9 | 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 | |
| 10 | Test run engine and check exhaust system for leaks |
O2 SENSOR
| Number | Designation | Engine 152 | |
|---|---|---|---|
| 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 |