How to carry out replacement: Lambda Sensor 1.9 CDTI 16V VAUXHALL SIGNUM
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Change VAUXHALL SIGNUM 3.0 CDTi Lambda Sensor yourself – manuals and video tutorials

How to change lambda sensor on VAUXHALL Signum (Z03) – replacement guide

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When to replace the Lambda Sensor on your VAUXHALL SIGNUM
Recommended replacement interval for the part category Lambda sensor : 100000 km
Important!
This replacement procedure can be used for:
VAUXHALL Signum (Z03) 1.8, VAUXHALL Signum (Z03) 1.8, VAUXHALL Signum (Z03) 2.2 i, VAUXHALL Signum (Z03) 2.0 i Turbo … View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

All the parts you need to replace – Lambda Sensor for Signum (Z03) and other VAUXHALL models
Alternative products
How to change Lambda sensor on VAUXHALL SIGNUM 1.9 CDTI 16V – step-by-step instructions for straightforward car repair Lambda sensor
Tools
Replacement: lambda sensor – VAUXHALL SIGNUM. List of the tools you'll need:
Wire brush
WD-40 spray
Electronic spray
High-temperature ceramic grease
Torque wrench
Combination spanner #22
Flare nut wrench #22
Ratchet wrench
Thread tap
Fender cover
Buy tools
Replacement: lambda sensor – VAUXHALL SIGNUM. AUTODOC experts recommend:
  • After replacing the oxygen sensor, clear the trouble code from the electronic control unit and let the ECU adapt itself to the new sensor.
  • Before getting down to work, start the engine and let it warm up to operating temperature.
  • Please note: all work on the car – VAUXHALL SIGNUM – should be done with the engine switched off.
Carry out replacement in the following order:
  1. Step 1
    Open the hood.
    Step 2
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
    Step 3
    Lift the car using a jack or place it over an inspection pit.
    Step 4
    How to change Lambda Sensor on VAUXHALL SIGNUM 2003 - free PDF and video manuals
    Clean the oxygen sensor fastener. Use a wire brush. Use WD-40 spray.
  2. Step 5
    How to replace VAUXHALL Signum (Z03) 1.9 CDTI 16V 2004 Lambda Sensor - step-by-step manuals and video guides
    Detach the oxygen sensor connector.
  3. Step 6
    VAUXHALL SIGNUM 3.0 V6 CDTI 2005 Lambda Sensor replacement: free workshop manuals
    Unscrew the oxygen sensor fastener. Use a flare nut spanner #22.
  4. Step 7
    Changing Lambda Sensor on VAUXHALL Signum (Z03) 1.8 2006 by yourself
    Remove the oxygen sensor.
  5. Step 8
    How to remove VAUXHALL SIGNUM 1.9 CDTI 2007 Lambda Sensor - online easy-to-follow instructions
    Cut the thread for the new oxygen sensor. Use a thread tap. Use a ratchet wrench.
  6. Step 9
    Treat the oxygen sensor. Use high-temperature ceramic grease.
    Step 10
    How to replace Lambda Sensor on VAUXHALL Signum (Z03) 2008: download PDF manuals and video instructions
    Install the new oxygen sensor.
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