Removing the left Lambda oxygen sensor
Prerequisite
- Ignition switched off
Preliminary work
- Refer to REMOVING THE ACOUSTIC COVER .
WARNING:
Hot surfaces.
Risk of burning!
Risk of burning!
- Perform all work only on components that have cooled down.
NOTE:
RISK OF DAMAGE
Electrostatic discharge.
Damage to or destruction of electrical components.
Electrostatic discharge.
Damage to or destruction of electrical components.
- Leave the electrical components in their original packaging until they are being installed. Only use the original packaging for returning the product. Always package removed components straight away.
- Read and comply with user information on using the associated special tool 12 7 060.
- Only tap the housings of electrical components. Do not tap pins or multi-pin connectors directly.
- Wear electrically conductive clothing and antistatic shoes (with ESD symbol).
- For additional information see: NOTES ON ESD (ELECTROSTATIC DISCHARGE) PROTECTION .
- Unclip the cable of the Lambda oxygen sensor from the bracket (1).
- Unlock plug connection (1) and disconnect.
- Unlock and disconnect the engine ventilation line from the retaining clip in the region of (1).
- Insert connector (2) of Lambda oxygen sensor.
- Release the left Lambda oxygen sensor (1) with the special tool 0 491 074 (11 7 020).
- Release the left Lambda oxygen sensor cable in area (2) from the cable bracket.



