S07.04-4512-06
Shown with engine 642.9
B85 O2 sensor, upstream from TWC
X18/66 O2 sensor connector
S07.04-4529-06
Shown with engine 642.8
B85/3 Oxygen sensor
X18/66 O2 sensor connector
Modification notes
| Remove/install | ||
Danger! | Risk of injury to skin and eyes caused by handling hot or glowing objects. | Wear safety gloves, protective clothing and safety glasses, if necessary. | |
Danger! | 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. | |
1 | Detach rear lower engine compartment paneling | Only on model 639.7/8 as of vehicle identification number (VIN) 055347 | |
2 | Remove air filter housing | Engine 642.8 only | |
3 | Remove engine air intake duct downstream of air filter | Engine 642.8 only | |
4 | Remove engine trim panel | Engine 642.8 only | |
5 | Disconnect connector for O2 sensor (X18/66) | ||
6 | Unscrew oxygen sensor (B85/3) or O2-probe upstream of TWC (B85) | Installation: Coat thread on oxygen sensor (B85/3) or O2 probe upstream of CAT (B85) with hot lubricating paste | |
Engine 642.9 | |||
| |||
Engine 642.8 | |||
| |||
Paste, hot lubrication 1 kg, DB supply specification 6879.20 | |||
7 | Connect Star Diagnosis, read out fault memory and initialize oxygen sensor (B85/3) | Only on engine 642.8 and only when replacing oxygen sensor (B85/3). | |
Connect STAR DIAGNOSIS and read out fault memory | |||
8 | Install in the reverse order | ||
| Checking | ||
Danger! | 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. | |
9 | Check exhaust system for leaks | Visual inspection only. |
Sensors
Number | Designation | Engine | ||
BA07.04-N-1003-01G | O2 sensor to catalytic converter | Nm | 50 | |
BA07.04-N-1010-01G | Oxygen sensor on exhaust pipe | Nm | 45 | |
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 |
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