P07.52-2066-08
1 | Air filter housing | 4 | Engine mount heat shield | G3/1 | Oxygen sensor downstream of catalytic converter | ||
2 | Engine air intake duct | 5 | Electrical line | G3/2 | Oxygen sensor upstream of catalytic converter | ||
3 | Bracket | 6 | Electrical line |
| Remove/install | ||
Danger ! | Risk of injury caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof. | No parts of the body or limbs should be within the operating area when the components are moving. | |
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. | |
1 | Switch off ignition | ||
Remove oxygen sensor upstream of catalytic converter (G3/2) | |||
2 | Remove engine cover | ||
3 | Remove air filter housing (1). | ||
4 | Detach electrical line (6) at connecting point | ||
5 | Remove oxygen sensor (G3/2) from catalytic converter | Installation: Coat thread with heat-resistant lubricant. Ensure that electrical line for oxygen sensor is routed correctly. | |
Oxygen sensor upstream of catalytic converter | |||
Paste, hot lubrication 1 kg, DB supply specification 6879.20 | |||
Engine mount wrench set | |||
Remove oxygen sensor downstream of catalytic converter (G3/1) | |||
6 | Remove engine air intake duct (2) | ||
7 | Detach electrical line (5) at connecting point | ||
8 | Unclip electrical line (5) from bracket (3) on engine mount heat shield (4) | ||
9 | Remove oxygen sensor (G3/1) from catalytic converter | Installation: Coat thread with heat-resistant lubricant. Ensure that electrical line for oxygen sensor is routed correctly. | |
Paste, hot lubrication 1 kg, DB supply specification 6879.20 | |||
Oxygen sensor at catalytic converter | |||
Engine mount wrench set | |||
10 | Install in the reverse order | ||
11 | Read out fault memory using the diagnostic system and clear if necessary | ||
| |||
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. | |
12 | Carry out an engine test run and test exhaust system for leaktightness |
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Engine mount wrench set