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Old 26-01-13, 07:11 PM   #1
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Default Urgent help needed with COMS2003 unit?

As I was removing the steeringwheel and steering rack to be able to remove the brake servo, I got into problems.

Removing the steering wheel went well, but I certainly should not have unscrewed the bolt completely, as I had to use some force and the steering-wheel flew off and some other parts behind it also came loose.

So now I wonder how the hell do I mount this coms2003 unit correctly again?
I've not been able to completely understand how the thin wire/strip shall be assembled?

I really need urgent help on this one as I was hoping to put it together again.

Two pics of how it looks now:



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Old 26-01-13, 07:25 PM   #2
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The ribbon cable wraps round the hub like a yoyo /clock spring but it is a pain to reasemble good luck

You might endup needing a replacement
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Old 26-01-13, 07:40 PM   #3
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Yeah, but how is it supposed to be wrapped? Aint it supposed to be springloaded?
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Old 26-01-13, 07:50 PM   #4
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No its not springloaded but IF you get it back together safely it needs centred or it will break the cable when you turn full lock

You need to get it in then turn till it feels tight then back it off enough to be able to do full lock safely without going tight you need to be sure the white section does not snap it as it turns

As i say its fidly i done one my son broke in same way but its working took 2 tries though
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Old 26-01-13, 07:57 PM   #5
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Ok. Shall I wrap it one turn around the big white thing, and some more thurs around the small black part?

Or maybe two rounds around the white and the rest around the black, smaller one (in center)?

I tried one around the white one, but it seemed to be tight and I wasn't able to assemble it.
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Old 26-01-13, 08:01 PM   #6
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My guess would be to carry on winding it on the same way the remainder is in the photo. The problem you will have is finding the middle when it's all together. Otherwise, when you turn the wheel, it will snap the wire off, and the air bag light will come on. There is a seller on eBay offering to repair them for about 25. Last time I looked. I brought a new unit for mine. Didn't see the point in messing about with the old one, as it had another fault too. I have two now, and will be putting them on eBay with other parts, as a job lot. S/R. My new unit cost about 150.
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Old 26-01-13, 09:11 PM   #7
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I think I just snapped the "wire" :/

I wound it two rounds around the white one before I put the black center part on.

Seemed to work quite ok, and might actually have worked if I was a bit more careful to try to find the center position.

Now I certainly need a new one...

Does anyone know how many turns the 407 has lock-to-lock?
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Old 26-01-13, 09:24 PM   #8
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Thats the air bag ribbon , its flucked now
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Old 26-01-13, 09:51 PM   #9
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Yes, kinda understood that.. crap system. Next time I'll for sure not unscrew the steering-wheel bolt totally before I try to loosen the wheel..

I just bought this one:
PEUGEOT 407 CITROEN COM2003 INDICATORS WIPERS STALKS SWITCHES / AIRBAG SLIP RING | eBay

However I noticed that the wiper stack did not have the "AUTO" text written on it. Hopefully though I can just change the switch over and it should be good to go?
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Old 27-01-13, 09:29 AM   #10
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Bummer i have a few spare ones here as im sure others will might be someone with correct one for you
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