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  1. #1
    Veteran Member Three Rings
    Join Date
    Jul 16 2008
    AZ Member #
    30917
    Location
    Finland

    DIY: Swapping a defective fuel tank flap solenoid / motor

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    Swapping out the fuel tank flap motor / solenoid

    One of the known faults with the B8 is the fuel tank flap motor which can go bad, causing the flap not to open when the central locking is actuated. Since this is a common problem with the earlier 09-10 B8, Audi have released several updated versions of the motor.

    Parts needed:
    8K0 862 153 H - Newest version of the motor

    Tools needed:
    T25 torx driver
    small flat-head screw driver
    microfibre cloth or an old t-shirt / rag to protect the paint

    This is a simple job and mostly anyone can do it.

    Removal:
    Open the flap if you motor still has some life left in it and the problem is only intermittent. If the motor is completely dead, open the flap via. the emergency release handle, which can be found behind the right side compartment in the trunk. Pull on the red handle to release the lock and open the flap.



    Unscrew the single T25 torx screw holding the plastic trim to the motor. The next thing you need to do is locate the 4 recesses on the plastic trim, marked in red in the picture, puncture them and insert a small flat-head through the opening and release the clips. I found it easiest to release one clip at a time while pulling on the plastic trim. Once all clips are loose, the trim can be slid toward the back of the car and left hanging from the fuel cap. Protect the side of the care with something unless you're also removing the fuel cap. If you remove the fuel cap, stuff a clean cloth in the opening to prevent any dirt from getting in to the tank.





    Find the wire going to the motor in the same trunk compartment as the emergency release, and pop the plastic holder off the convenience module surround to free the wire, marked in red in the picture. Go back to the tank motor and slide the motor toward the front of the car to release it. Unplug the connector and pull out the emergency handle and cord.





    Installation:
    Installin the new lock is just the reverse of removing the old one. Simply run the emergency release to the trunk, pop in the electrical connector and slide the new motor in place. Pop the plastic cover back on and screw in the T25 torx screw. Make sure you don't forget to clip the emergency release handle and the wire back on to the convenience module surround to prevent rattles inside the car!

    The plastic trim will have 4 holes now, and you could replace it if you wish as it's quite cheap, but the only problem is that it comes with the tank flap, which will need to be repainted so I suggest you either spend the extra cash and have it painted or live with the 4 holes. I decided not to replace mine as the holes don't bother me.
    ______________________________________
    2013 A4 B8.5 Avant 1.8tfsi quattro, Ibis White. Mods: 18" OZ Leggera HLT wheels

  2. #2
    Active Member One Ring
    Join Date
    Jun 29 2014
    AZ Member #
    260264
    Location
    Northern Ireland

    hi mate would you be able to relink your pictures? thanks

  3. #3
    Established Member Two Rings youngd's Avatar
    Join Date
    Oct 22 2013
    AZ Member #
    126185
    Location
    UK

    If you you want to risk it and remove the fuel tank cover without pushing the holes in, if you go into the top corners and push the plastic in the same places that the holes are, but down and pulling towards you, its quite easy. You will need to do this for all 4 corners and put something behind the corners you have removed to stop the cover clipping back in. I did it and it was a 10 minute job and only cost 15 just for the solenoid
    A4 3.0TDI V6 Tiptronic Quattro S Line, Stage One DNA Remap, Phantom Black Pearl, B&O, Auto Brake, Sat Nav, Audi Drive Select



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