Shown on model 204 |
G3/1 | Oxygen sensor downstream of catalytic converter |
G3/1x1 | Electrical connection for oxygen sensor downstream of catalytic converter |
G3/2 | Oxygen sensor upstream of catalytic converter |
G3/2x1 | Electrical connection for oxygen sensor upstream of catalytic converter |
P07.52-2049-06
Danger ! | Risk of injury. Skin or eye injuries may result when handling hot or glowing objects. | Wear protective gloves, protective clothing and safety glasses, if necessary. | |
| Remove/install | ||
1 | Remove upper engine cover | ||
2 | Disconnect electrical connection (G3/2x1) | Unclip electrical line from holder. | |
3 | Remove oxygen sensor (G3/2) from catalytic converter | Installation: Coat thread with heat-resistant lubricant. Ensure that line for oxygen sensor is routed correctly. | |
Oxygen sensor upstream of catalytic converter | |||
Paste, hot lubrication 1 kg, DBL 6879.20 | |||
Engine mount wrench set | |||
4 | Lift vehicle on vehicle lift | Engine 274 in model 172, 204.0/2/3, 207 | |
5 | Remove lower engine compartment paneling |
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Engine 274 in model 204.0/2/3, 207 | |||
6 | Disconnect electrical connection (G3/1x1) | Unclip electrical line from holder. | |
7 | Remove oxygen sensor (G3/1) from catalytic converter | Installation: Coat thread with heat-resistant lubricant. Ensure that line for oxygen sensor is routed correctly. | |
Oxygen sensor at catalytic converter | |||
Paste, hot lubrication 1 kg, DBL 6879.20 | |||
Engine mount wrench set | |||
8 | Install in the reverse order | ||
9 | Read out fault memory using the diagnostic system and clear if necessary | ||
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Danger ! | Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | |
10 | Carry out an engine test run and check exhaust system for leaktightness |
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Engine mount wrench set