Removing the lambda oxygen sensor
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 the plug connection (1) with the screwdriver (2) and release it from the carrier plate.
- Unlock plug connection (1) and disconnect.
- Unlock the locks (1).
- Feed out the connector (2) from the holder (3) in arrow direction and set aside.
- Release the cable (4) from the clamp (5).
- Version A (without mild hybrid technology)
Remove positive battery cable (1) from clamps (2).
Release the positive battery cable (3) from the clamp (4).
Remove screws (arrows).
Feed out the bracket (5) of the positive battery cable and set it aside.
- Version B (with mild hybrid technology)
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 arrow direction
and set aside.
- Release and remove the Lambda oxygen sensor (1) with the special tool 0 491 074 (11 7 020).