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Thread: Fuel cap locking

  1. #1
    Rodders.'s Avatar
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    Fuel cap locking

    Hello,

    My fuel cap opens even when the car is locked. I just checked the manual release and I don't seem to be able to pull it, so guess someone may have done this. I cant see up in there, can only feel.

    Is there a way to reset the manual release, or does it all need pulling out?
    Audi A4 Avant 2.0TFSI 2009 S-Line

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  3. #2
    NHN
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    Its just a solenoid, so the plastic cable just slides this to open & thus remote should then relock, open the flap, then lock the car & see if the bars slides across, if not then its one of: fuse, solenoid, wiring or coding.

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  4. #3
    Rodders.'s Avatar
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    ok, will go try. I didn't see any options on the MMI for central locking associated with the fuel cap, so when you refer to coding, what could that be?
    Audi A4 Avant 2.0TFSI 2009 S-Line

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    NHN
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    Well coding advises the cars, what's fitted & features are available, that's not to say your car has a codable option, but many others do.

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  6. #5
    Rodders.'s Avatar
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    Cannot see anything slide across with flap open and locking car. But i cant see anywhere where it would come from.All i see is the plunger that twists and holds the flap closed.
    Audi A4 Avant 2.0TFSI 2009 S-Line

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    NHN
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    Can you see a hole on a protruding piece of metal stuck to the flap, where the solenoid may slide across into?

    Pics?

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  8. #7
    Rodders.'s Avatar
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    20131028_153818.jpg20131028_153823.jpg20131028_153835.jpg20131028_153839.jpg
    Photos attached, am I being soooo blind? (Hence the name!)

    Excuse the dirtiness, the outside is much cleaner
    Audi A4 Avant 2.0TFSI 2009 S-Line

  9. #8
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    Mine doesn't lock either . Interested in how you guys get on

  10. #9
    A4B8Sline's Avatar
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    Mine needed a new solenoid as it also failed. Luckily I had one months warranty left.

  11. #10
    NHN
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    Interesting, it looks like some form of lock is integrated into the push button, as it has a part on the end that looks like it twists round into a slot to hold the flap closed/locked as such.

    Can you leave the flap open, push in the piston like piece top left of the flap hole, so it clicks in & stays, then see when pushing in or locking if it twists round or not.

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  12. #11
    bez101's Avatar
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    Quote Originally Posted by NHN View Post
    Interesting, it looks like some form of lock is integrated into the push button, as it has a part on the end that looks like it twists round into a slot to hold the flap closed/locked as such.

    Can you leave the flap open, push in the piston like piece top left of the flap hole, so it clicks in & stays, then see when pushing in or locking if it twists round or not.
    just checked mine the push in piston does twist to lock the cap
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  13. #12
    NHN
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    Is that only when you lock the car, not when you push the piston in by hand?

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  14. #13
    bez101's Avatar
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    it spins when you push it in
    but when the car is locked and you push it it wont relese
    unlock car push it in and it releses and spins back round
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  15. #14
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    Open/shut, locked or unlocked. I can still open it.

    Im not convinced the manual release hasnt been pulled and disengaged the solenoid. I need more info on how it all works. I canot pull the manual release anymore. But it also wont go back. If you can put it back without taking something apart.
    Audi A4 Avant 2.0TFSI 2009 S-Line

  16. #15
    NHN
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    Bottom line is, if it has manual release, then it must have a lock, otherwise no manual release would be needed for a flap that cant be locked as such, so yes it would appear to be faulty, have to remove boot lining side panel to get to probably.

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  17. #16
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    Mine had the same problem. Ordered the new solenoid and fitting took about 15 min tops.

  18. #17
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    Do you have a part number and price ?

  19. #18
    NHN
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    Approximately £17 8K0862153F

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  20. #19
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    Is that for a avant or saloon ?

    Many thanks

  21. #20
    Rodders.'s Avatar
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    Not worth a warranty claim for that price
    Audi A4 Avant 2.0TFSI 2009 S-Line

  22. #21
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    Thumbs up

    part number for solenoid(its called a throttle control) is=8KO862153H
    THE BLACK SURROUND(INSERT) IS=8KO809999D
    ****SALOON****

    did mine aswell a few weeks back,the black plastic surround will have 4 rectangular slats,you need to pierce them to release the tabs,then once the surround is off,you can replace the solenoid(very easy job)...buy both parts first,then you will figure it out easily,around £30 for both parts from tps,or a bit nmore from audi.
    Quote Originally Posted by Rodders. View Post
    Not worth a warranty claim for that price
    Last edited by vw754; 29th October 2013 at 17:07.
    Full leather/19"wheels/cruise/

  23. #22
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    Hi guys just fitted a new one today NHN that number has now been superceeded with a 'h' at the end

    I spent a good hour messing around trying to figure out how to replace it , removing trim etc and all you need to do is open the flap and remove 1 screw and pull the plastic housing off to revel the switch which slides in on 2 locating parts . It really is a 5 min job but sadly took me an hour lol .

  24. #23
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    I posted this on another forum, but for those that have the problem and are not sure how...

    Open the panel in the boot on the right hand side (it folds down) to reveal the red release cord.



    Tie some string to the release cord (to aid pulling back through)

    Next, open the fuel filler cap and remove the single torx screw.



    Now, using a blunt flat edged screwdriver, gentley prise each of the four corners to release the clips. (The correct way is to push through each corner (theres a small retangle in each corner) and this breaks the clips, which is why Audi will (try) and sell you this part as well, but if you are carefull, they wont break. (i brought this incase but did not break any clips).

    Once this is uncliped, it simply pulls out (with the flap attatched) revealing the Actuator itself.



    Simply slide this out and unplug the connector on the rear of the actuator. Gently pull it through, untie the string and tie the string onto the replacement pull cord ready.



    Then, re-connect the plug onto the new actuator, and put it back in position.

    Now back in the boot, gently pull the string, to get the red pull cord back through, undo the string and clip the cord back.

    Then simply re-insert the fuel flap surround (or new one if you break the clips), and rescrew the torx screw back.

    Test its working and job done! 15 mins top!

    Only other notes are if you do use a new fuel flap surround, then you need to slide out the flap cover from the old one and slide it on the new one.

    Regarding parts you will need the new Actuator, the other items (the fuel cap insert and sticker!) you will only need if you break the clips.

    The whole lot cost me £33.34 but with just the Actuator it would have cost £14.01

    hope that helps
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  25. #24
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    That's bang on . Could of done with that a few hours ago lol

  26. #25
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    Throttle Control: 8KO862153H

    part number for solenoid(its called a throttle control) is=8KO862153H

    Quote Originally Posted by dieseldoos View Post
    with just the Actuator it would have cost £14.01..............
    Do I need to order this from Audi, or is it available elsewhere?


    2009 S4 Avant, manual trans.

  27. #26
    NHN
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    Quote Originally Posted by rabhrab View Post
    Do I need to order this from Audi, or is it available elsewhere?
    Are you asking this because you consider £14.01 expensive or because the dealers too far away?

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  28. #27
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    Quote Originally Posted by NHN View Post
    Are you asking this because you consider £14.01 expensive or because the dealers too far away?
    I am presently in France and therefore wondered what the ordering options were, that's all.


    2009 S4 Avant, manual trans.

  29. #28
    NHN
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    Just order from a French dealer or order from a site sponsor Stoke audi who will deliver.

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  30. #29
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    Can anyone tell me where the fuse for this is located, just noticed mine doesn,t lock either, but want to check the obvious first before buying the new throttle control part. A pic of the fuse location would be even more helpful if anyone can oblige.


    Cheers JG

  31. #30
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    it works with the central locking........so in theory if your central locking is working,you need a new unit.
    i replaced both parts(actuator and plastic surround) and the sticker that go's on inside of fuel flap £33 inc vat.
    Quote Originally Posted by JG51 AUD View Post
    Can anyone tell me where the fuse for this is located, just noticed mine doesn,t lock either, but want to check the obvious first before buying the new throttle control part. A pic of the fuse location would be even more helpful if anyone can oblige.


    Cheers JG
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  32. #31
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    Quote Originally Posted by vw754 View Post
    it works with the central locking........so in theory if your central locking is working,you need a new unit.
    i replaced both parts(actuator and plastic surround) and the sticker that go's on inside of fuel flap £33 inc vat.
    Cheers mate, makes sense re central locking. I'll get both parts ordered tomorrow and hopefully fitted at the weekend.

    Cheers again, John G.

  33. #32
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    Quote Originally Posted by JG51 AUD View Post
    Cheers mate, makes sense re central locking. I'll get both parts ordered tomorrow and hopefully fitted at the weekend.

    Cheers again, John G.
    no probs,very easy to fit,any probs,il be glad to help
    JG51 AUD likes this.
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  34. #33
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    Sorted, took me half an hour, and I managed to save the plastic surround. Cheers to all who supplied info on this thread.JG

  35. #34
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    I have a Audi A4 and fuel cap stuck, I had to force it open without breaking anything, I pushed the protruding pin back and it does not lock the cap anymore when I lock the car. Pin may have stuck inside when I pushed back with a screw driver.

    Any idea how I unjam it ?

 

 

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