Removing the lambda oxygen sensor
WARNING:
High-voltage system.
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Mortal hazard through electric shock!
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Mortal hazard through electric shock!
- All work on the high-voltage system may only be carried out by specially trained and technically experienced personnel.
- For additional information see:
- For additional information see:
WARNING:
Hot surfaces.
Risk of burning!
Risk of burning!
- Perform all work only on components that have cooled down.
Preliminary work
- Refer to REMOVING THE SEAL FOR THE HOOD REAR .
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to REMOVING ACOUSTIC COVER AT REAR .
Lambda control sensor
WARNING:
Hot surfaces.
Risk of burning!
Risk of burning!
- Perform all work only on components that have cooled down.
NOTE:
RISK OF DAMAGE
Damage to wires when disconnecting connectors and plug connections.
Sheared wires can cause a short circuit.
Damage to wires when disconnecting connectors and plug connections.
Sheared wires can cause a short circuit.
- Do not pull on wires when disconnecting connectors and plug connections.
NOTE:
The cable of the Lambda oxygen sensor is black. The installation location of the Lambda oxygen sensor is in front of the catalytic converter.
- Unlock and loosen clamp (1).
- Remove the cable (2) and put to one side.
- Unlock the locks (3).
- Pull out the plug connection (4) in the arrow direction
from the carrier plate and set it aside.
- Unlock and release the plug connection (1).
- Remove positive battery cable (1) from clamps (2).
- Remove screws (arrows).
- Feed out the bracket (3) of the positive battery cable and set it aside.
- Release the cable (1) from the clamps (arrows).
- Feed out and remove the bracket (2) of the positive battery cable.
- Release cable tie (1).
- Feed out the heat shield (2) in direction of arrow
and set it aside.
- Release and remove the Lambda oxygen sensor (1) with the special tool 0 491 074 (11 7 020).
