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Glove box light for not working

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by DWH, Dec 4, 2013.

  1. DWH
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    DWH Member

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    Hi.
    I've got a 2003 Cabriolet.
    Glove box light hasn't worked since I bought the car a couple of month's ago and today looked into why.
    Bulb tests ok , no volts at socket. I've tried with side lights on, headlights on and ignition on and still no joy.
    Car recently serviced and I was told that no error messages where present.
    Any ideas ?
    Thanks
    David
    PS how do I add an avatar ?
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  2. Mike.M
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    Mike.M Well-Known Member

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    Check connector behind glovebox and also the fuses
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  3. quattrojames
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    quattrojames Moderator Staff Member Moderator

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    Assuming the cab is like the others, the switch is built into the damper, and that can all be a bit iffy.
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  4. SmoothAssault
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    SmoothAssault Will design for mods

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    Could be that if your glovebox hinge hasn't previously been snapped, then someone may have taken the damper off to service it and put the damper arm back in the wrong way around?

    As the door opens, channels in the damper arm squeeze together two contacts, turning on the light. But these channels are only on one side of the arm. If there's volts at the male plug that connects to the damper, then it's likely your issue is with the switch.

    Here's a small write-up on servicing the damper that shows all the parts:
    Preventing the common Audi A4/S4 Glovebox hinge break | Matt Easom
    Last edited: Dec 4, 2013
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  5. quattrojames
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    quattrojames Moderator Staff Member Moderator

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    Here's a picture of the switch/damper Matt mentioned.

    [​IMG]
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  6. DWH
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    DWH Member

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    Thanks
    Amongst the invoices with the car is one from an Audi dealership replacing the glovebox "lid" and so having checked the fuse I think the next place to check is the damper.
    Is it easy to remove ? Is there a guide how to remove or is it self explanatory ?
    Thanks chaps
    David
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  7. quattrojames
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    quattrojames Moderator Staff Member Moderator

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    Use your key pop the end off the dashboard, and the damper is accessible in there. Once you've unplugged the sliding part from the lid hinge, the damper will twist out of it's capture in the glovebox body.

    You might need to remove the glovebox to get the damper out, I can't remember. But if you do, I think there are two bolts you access at the top by dropping the lid, and there are three bolts from underneath. It's quite straight forward, don't forget to unplug the light power lead.

    Here's the damper in action:

    [​IMG]

    [​IMG]
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  8. DWH
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    DWH Member

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    Thanks, I've got the damper out, it wasn't connected to the lid and so the switch was not activating......working the damper manually the light works so that means the electrics are all good.
    The problem seems to be that there's vacuum in the damper which prevents the damper arm from extending.......should there be a valve or air hole in the body of the damper to release the vacuum ?
    cheers
    David
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  9. quattrojames
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    quattrojames Moderator Staff Member Moderator

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    Yes, I can't remember where though. Logic would tell me there is a hole at the end of the damper barrel?
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  10. DWH
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    DWH Member

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    Thanks everybody, all back together and light working correctly.
    Not sure whether there should be an air vent in barrel as I've made a very small one using a safely pin and there's not much of a dampening effect.....not sure how much resistance there should have been as damper was previously disconnected. I had to make up the small pin that connects the damper arm to the lid using a M3 bolt and nut.
    At least the hinges shouldn't break with such little resistance.
    Cheers
    David
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  11. Mike.M
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    Mike.M Well-Known Member

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    Good going.............need to lubricate my damper thinking about it as it has started to not smoothly open.
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  12. SmoothAssault
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    SmoothAssault Will design for mods

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    I don't think it needs any holes putting in it. The soft-open movement seems to need the vacuum in the damper for it to work. Should only require a bit of lubrication.
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  13. leegsi
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    leegsi Member

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    The soft close action is what snaps the hinges.

    I took the piston apart and removed the rubber seal so the light still works but the glovebox just opens without the slow acting option.
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  14. Willenium
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    Willenium Member

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    I never knew mine had a light until my bro got his A4 and I was fiddling with the glovebox that we discovered was broken a few minutes after handing over the cash :banghead:. Classic hinge snapped at the damper side. I took apart the damper and sliced a few rings off the rubber plunger to reduce it's diameter slightly and thus reduce how much it grabs. Obviously that was no use to him in there so I went back to mine and a piece of the damper arm had been snapped off leaving the door to flop open freely. Attempts to bodge it back on were unsuccessful so I transferred the working modified one over and now have a nicely lit and soft opening glovebox.
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