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passenger front door locks but won't unlock

rallymangtb Nov 2, 2015

  1. rallymangtb

    rallymangtb Registered User

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    Hi all

    It will lock but won't unlock I was just wondering if anyone else has had this problem and what was the remedy before I pull the door apart

    Thanks
     
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  3. B5NUT

    B5NUT Well-Known Member VCDS Map User

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  4. rallymangtb

    rallymangtb Registered User

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    Thanks for that mate its only been doing it for a cpl days sometimes it opens but most of the time it doesn't.
     
  5. rallymangtb

    rallymangtb Registered User

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    Hi b5nut

    With the passenger door not opening will that interfere with the drivers door as well not opening or is that lock on the way out as well as its not opened a cpl of times today if I lock it and re open it its OK. ..strange

    Thanks
     
  6. B5NUT

    B5NUT Well-Known Member VCDS Map User

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    Both locks have the same problem, I've had to change drivers & passenger locks on my car. However on the drivers side I had to remove the window frame, which was not as bad as I first figured.
     
  7. RoyC

    RoyC Registered User

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    I had the same problem after the wife tried to open the locked passenger door at the same time as I unlocked it with the remote, it wouldn't unlock for ages with the remote then one day went OK.
    Been OK now for 12 months.
     
  8. rallymangtb

    rallymangtb Registered User

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    That's strange mine just won't open and the drivers door will only open if you lock it and then open it again
     
  9. rallymangtb

    rallymangtb Registered User

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    Hi mate

    These door locks do you know what actually goes wrong with them coz they lock bit won't unlock is it the actuator that plays up or something else ???

    Dave
     
  10. B5NUT

    B5NUT Well-Known Member VCDS Map User

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    Think it's the microswitches inside that causes the problem, I guess if you can garage the car and not need it, you may be able to get replacements and fix the unit, but I found it easier just to get used replacements from ebay, these locks were used on the A3, A4, A6, R8 and some of the other models. I got my used locks from a smashed up 2010 A3, and since replacing I've not had a problem.
     
  11. rallymangtb

    rallymangtb Registered User

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    Ah OK I didn't know others used the same locks that makes it a bit easier to get a pair as there's not many on eBay percificly for the c6 a6 does the c5 a6 use the same

    Cheers dave
     
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  13. rallymangtb

    rallymangtb Registered User

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    Hi you wouldn't have the part no would ya are they 9 pin

    Thanks
     
  14. B5NUT

    B5NUT Well-Known Member VCDS Map User

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    No the c5 will not fit, you need cars of the same year or later (later the better) as I think they fixed this on later revision of the locks. The A3 8P will be the best option if your searching ebay.
     
  15. B5NUT

    B5NUT Well-Known Member VCDS Map User

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    Sorry don't have the number to hand at the moment.
     
  16. rallymangtb

    rallymangtb Registered User

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    OK no probs I'll have a search on eBay. Thanks mate
     
  17. rallymangtb

    rallymangtb Registered User

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    Hi

    I've found 2 locks from an a3 8p but the plastic casing is blue not white do you know if that make any difference at all .the part no are the same apart from the a6 has a F in the number and the A3 has an E just want to make sure there there right ones

    Thanks
     
  18. B5NUT

    B5NUT Well-Known Member VCDS Map User

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    Can you give me the full part number.
     
  19. rallymangtb

    rallymangtb Registered User

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    4E2837016 is the A3 and 4F2837016 is the A6
     
  20. B5NUT

    B5NUT Well-Known Member VCDS Map User

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    4E2 number was only used on the A3 & A8.

    Part numbers that are compatible with the A6 are
    4F2837016
    4F2837016B

    The B revision was used in the A3, A6, A8 & R8.
     
  21. rallymangtb

    rallymangtb Registered User

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    Thanks for that mate best I get looking again thought I'd found some but wrong ones that explains why some are dearer than others
     
  22. rallymangtb

    rallymangtb Registered User

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    Hi

    Just a quick question when I lock the doors from the switch on the drivers door and then unlock it the 2 front doors open any ideas
     
  23. B5NUT

    B5NUT Well-Known Member VCDS Map User

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    No idea, but when you say open do you mean unlock?
     
  24. rallymangtb

    rallymangtb Registered User

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    Yea I mean unlock lol it will unlock using the key as well it's just yet remote than it won't unlock both sides that is
     
  25. RoyC

    RoyC Registered User

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    Is your battery OK in your key fob ?
     
    rallymangtb likes this.
  26. rallymangtb

    rallymangtb Registered User

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    Would that cause it to lock but not unlock the remote seems OK I have another remote I'll try that one just out of intrest
     
  27. rallymangtb

    rallymangtb Registered User

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    Right I'm confused now I tried my other key and now the drivers door opens but the passenger one still won't open ...any ideas ..I must admit I thought it strange that both doors pack up with in 24 hrs of each other ????
     
  28. B5NUT

    B5NUT Well-Known Member VCDS Map User

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    They are just bad locks, it can be very random on how they unlock, my drivers stopped working then started worked again and was fine for weeks, then it failed again. Since changing both my front locks I've never had a problem since. Why it's always the front locks and never the rear I've got no idea.
     
  29. rallymangtb

    rallymangtb Registered User

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    Did you buy new locks or second hand
     
  30. rallymangtb

    rallymangtb Registered User

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    I'm going to plug into it tomorrow and see if there's any fault codes with the locks
     
  31. B5NUT

    B5NUT Well-Known Member VCDS Map User

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    Got second hand ones, but the later revision.
     
  32. rallymangtb

    rallymangtb Registered User

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    Ah OK how do you tell the later revision from the old ones ??
     
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  34. B5NUT

    B5NUT Well-Known Member VCDS Map User

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    It's the one with B at the end of the part number.
     
  35. rallymangtb

    rallymangtb Registered User

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    Ah OK I've got the older ones then 90 quid for both that's not bad price is it
     
  36. B5NUT

    B5NUT Well-Known Member VCDS Map User

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    That's not a bad price.
     
  37. rallymangtb

    rallymangtb Registered User

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    Door locks all done and now working the drivers side one was a complete **** with the plastic cover round it but did it in the end and even put the plastic bit back and didn't bin it lol
     
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  38. bredhurststeve

    bredhurststeve Registered User

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    My passenger lock on my 2007 A6 Le Man 3.0 randomly works so needs replacing, how easy is this to do ?
     
  39. B5NUT

    B5NUT Well-Known Member VCDS Map User

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    See post 2 on this thread.
     
  40. rallymangtb

    rallymangtb Registered User

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    Mine took around an hr a side and not to bad to do as it's passenger side you just have to fiddle to get the lock between the outer skin of the door and the window runner other than that fine
     
  41. leggydan

    leggydan Registered User

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    Im going to try the method based on the thread from B5NUT at the start of this post. Hopefully i can figure it out without breaking anything. My passenger side door doesn't open from the outside and i have a spare replacement i got from ebay. I just got myself a copy of the workshop repair guide and it mentions removing window frames and window regulators! I had a quick look a few weeks ago but wasnt brave enough to start stripping down the door on my newly purchased s6!
     
  42. rallymangtb

    rallymangtb Registered User

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    Na don't need to do that it does go past the window guide just be careful with it .you may need some of the clips that hold the door card on I did manage to save all mine
     
  43. leggydan

    leggydan Registered User

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    Thanks for the info, i managed to get the door card off a few weeks bag with no issues, hopefully i can get it off again without breaking any clips
     

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