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2009 A4 Avant S-Line - Brakelight Bulb Replacement?

Discussion in 'Audi S4/A4/A4 Cab (B8 Chassis)' started by mpc, Nov 18, 2013.

  1. mpc
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    mpc Member

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    My drivers side brake light is out and i'm trying to find out if it's a straight forward fix. The owners manual only describes a boot style rear and not estate.

    Is there any info on how to do this?
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  2. A4B8Sline
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    A4B8Sline Member

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    In your boot you will have a access door on each side of the boot. Pull down the drivers side and look in and back towards the light. Have a look for a plastic nut and undo. Once it's off your light cluster will pull off the rear of the car. Once released unplug the cable on the back of the unit. You can then change the bulb. It goes back the same but in reverse. Once you dig around it's quite self explanatory.
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  3. mpc
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    mpc Member

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    Many thanks, I will have a look and try this myself...
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  4. mpc
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    mpc Member

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    I had a look and can see the plastic bolt that needs undoing. When I get the cluster out - how do I know which bulb is the brake light as it appears there are about 3 bulbs in there?
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  5. Mike_B
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    Mike_B Member

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    Perhaps the one which doesn't illuminate when the lights and indicators are on and you press the brake pedal?
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  6. mpc
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    mpc Member

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    haha, i was waiting for the smart alec question! Bit difficult to see when you are by yourself tho. Just thought someone may have known before I remove the cluster.
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  7. DrSasso
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    DrSasso Member

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    hehe made me chuckle xD this is where a small umbrella comes in handy....or anything really that you can put on the brake and wedge up against the seat ;)

    or you could use a multimeter if you have one to hand and check the resistance between the contacts. If there's resistance the bulb works, if none then it broke :D but give it a shake as it might be just touching even though it's broken. :)
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