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Air filter change Opel Signum 2003 - 2005 Diesel 3.0 V6 CDTi

OnDemand step-by-step maintenance & repair BETA

Opel Signum 2003 - 2005  | 3.0 V6 CDTi Air filter change

  • time 20 minutes
  • difficulty 3
Air filter location
Firstly, unplug the MAF sensor
Place ECU to the side
Now undo circular clip on the air intake, use a 7mm socket to do this
Now release the ECU from the top of the air filter box - use a Torx-20 socket
Now release the air intake
Undo the 5 Torx-25 retaining fixings on the air filter body
Carefully lift away the air filter box
View of the air filter cover
Air filter in position
Lift out the air filter
Clean off any debris on the surface of the filter. Replace with new filter if heavily contaminated
Check air filter box for debris. Clean if required. Replace the air filter
Finally, reassemble the air filter housing and replace the ECU and MAF sensor