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Old 07-25-2005, 03:22 AM
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Join Date: Mar 2001
Location: Oakland, CA
Posts: 35
Question Horn Sounds When Turning Steering Wheel

The horn in my daughter's '96 C280 sounds sometimes
when turning the steering wheel and you can hear
something rattling around inside.

Getting at the source of the rattle seems to a bit tricky.
It looks like the 'housing' on the steering column is
attached with two torx fasteners.

Is this the piece that needs to be removed? If yes, does
anybody know the size/type of the fasteners?

If no, how do I go about removing the housing and/or
getting at the horn mechanism?

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Old 07-25-2005, 03:30 AM
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Join Date: Jan 2001
Location: California
Posts: 2,068
It sounds like the clockspring is broken / on its way out. This is a wound-up strip of wire behind the airbag. You need to remove the airbag to get to it. There's two recessed torx fasteners on the rear of the steering wheel, which hold the airbag to the wheel.
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Old 07-25-2005, 04:56 AM
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Join Date: Mar 2001
Location: Oakland, CA
Posts: 35

Thanks speedy. Any idea on the torx size?

And removing the air bag sounds risky. Is it?
If so, where could I get a step-by-step?
Or is it best left to a pro?

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Old 07-25-2005, 01:23 PM
forp's Avatar
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Join Date: Jul 2003
Location: Sebastopol, CA
Posts: 324
Disconnect the battery ground terminal. When you are done, re-attach it. You'll need the radio code but everything else should be OK. For the torx, try different sizes. You'll feel it when you get the right one. Should be snug with very little play. Once the airbag is free, the wires are easily disconnected.
2012 E350 Bluetech
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Old 07-26-2005, 02:42 AM
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Join Date: Mar 2001
Location: Oakland, CA
Posts: 35
Thanks, forp. I'll let you know how it works out.
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