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  #1  
Old 09-24-2004, 07:53 PM
Boudreaux's Avatar
Mein Name ist Dieter.
 
Join Date: Sep 2003
Location: Pearland, TX
Posts: 174
Talking No horn sound...

I noticed that my horn will not sound when the upper right corner of the airbag is depressed. Upon further investigation, I found out that there is a small gap between the airbag and steering wheel when compared to the other side of the airbag (see attached photos).

Before I take it apart for repair, what part(s) has failed since this is my only transporation and I don't want to be stranded at home if I can't get it fixed.

Are the instructions for removing the steering wheel (3" long Torx screwdriver size ???) applicable also?

Thanks for the assistance.

p.s. What is that small capped button that is below the accelerator pedal? Is it a kickdown switch or something??

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'94 SL500 Tourmaline Green, 120K miles as of February 27, 2005.

http://home.earthlink.net/~boudreaux...ictures/17.jpg
Updated photo September 2004
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  #2  
Old 09-24-2004, 08:19 PM
A. Rosich's Avatar
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Join Date: Nov 1999
Posts: 883
I am not a high tech person myself, but I would like to share a few pointers on this matter that I have heard around:

First, be very careful at handling the airbag, it could deploy if not managed properly.

After you remove it, store it face up, so if it deploys by itself, the bag will deploy upwards. If you store it face down, the housing could become a dangerous projectile if the airbag deploys itself.

When reinstalling the housing, be careful about on handling the deployment wires. You have to be sure that the steering wheel is CENTERED.

Also, all proper procedures have to be followed according to the manufacturer. If not, the SRS light will come on and you will have to access the computer to turn it off.
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CL 500, 1998
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  #3  
Old 09-24-2004, 09:07 PM
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Join Date: Sep 2004
Location: Seattle
Posts: 1,971
For my C230, the first step in removing the steering wheel is "Disconnect battery ground cable at battery"

MP
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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine)
1988 F150 144,000 miles (leaks all the colors of the rainbow)
Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra
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  #4  
Old 09-25-2004, 10:24 AM
I told you so!
 
Join Date: Jun 2002
Location: Motor City, MI
Posts: 2,853
I didn't see the obvious addressed here -- the fuse. I hope it was checked.

If you must DIY on the air bag, I want to add that sliding your body across the seat fabric or carpet can develop static electricity, same as the spark you feel when getting out of the car. This static electricity - if applied in the proper location - can set off the airbag.
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  #5  
Old 09-25-2004, 12:55 PM
Boudreaux's Avatar
Mein Name ist Dieter.
 
Join Date: Sep 2003
Location: Pearland, TX
Posts: 174
I know how to remove the airbag but everyone who has responded has not answered the question of why the horn isn't working on that particular area of the steering wheel.
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'94 SL500 Tourmaline Green, 120K miles as of February 27, 2005.

http://home.earthlink.net/~boudreaux...ictures/17.jpg
Updated photo September 2004
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  #6  
Old 09-25-2004, 01:22 PM
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Join Date: Jan 2002
Location: NY
Posts: 500
This is a pic from 92 W140, I believe you have same or similar steering wheel. Maybe contact plate loose or broken?
Attached Thumbnails
No horn sound...-inside-st.jpg  
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  #7  
Old 09-25-2004, 05:59 PM
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Join Date: Sep 2004
Location: Seattle
Posts: 1,971
That photo should help. This idea is off the wall, but maybe something fell down in there, a piece of paper or something? That might explain the mis-alignment you seem to observe. In any case it seems that you will have to remove the air bag and see what the trouble is. It should be apparent once you have it off.

Mike

__________________
1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine)
1988 F150 144,000 miles (leaks all the colors of the rainbow)
Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra
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