Remove/install catalytic converter temperature sensor - AR07.04-P-0004GZB
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 Mercedes-Benz ML350, 2010 Mercedes-Benz ML350, 2009 Mercedes-Benz ML320, 2009 Mercedes-Benz GL320, and 2008 Mercedes-Benz ML320. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE 642 in MODEL 164, 251
| 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 | Remove bottom section of soundproofing | Model 251 only | AR94.30-P-5300RT |
| 2 | Disconnect electrical connector at TWC temperature sensor (B19) | ||
| 3 | Separate cable tie | ||
| 4 | Unscrew TWC temperature sensor (B19) at catalytic convertor (1) | ||
| *BA07.04-P-1001-01G | |||
| Paste | *BR00.45-Z-1005-06A | ||
| 5 | Install in the reverse order | ||
| Checking | |||
| 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 | |
| 6 | Check leak-tightness of exhaust system when engine is running |
SENSOR
| Number | Designation | Engine 642 without particle filter | Engine 642 with particle filter | |
|---|---|---|---|---|
| BA07.04-P-1001-01G | Temperature sensor to catalytic converter | Nm | 45 | 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 |