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Joined: 28 Oct 2016
Posts: 538
Location: West Sussex

PostPosted: Fri Jun 07, 2019 12:05 pm    Post subject: Horn honking when you brake? Reply with quote

I have had this incredibly embarrassing thing happen to me a number of times. Brake to let oncoming traffic through whilst hooting at them for having the temerity to make a 993 wait (that’s what it must sound like!).

It’s a common fault apparently and means the airbag retaining bracket rubbers have deteriorated.

Had this happen recently three times on country roads through Kent villages and eventually stopped and pulled the relay. Apparently a credit card wedged in the gap at the top of the steering wheel would have worked I found out afterwards.

Anyway getting this fixed next week.

Anyone else had this happen to them?
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Joined: 11 Apr 2011
Posts: 1369
Location: Bolton U.K.

PostPosted: Fri Jun 07, 2019 1:19 pm    Post subject: Reply with quote

Very common on 944s caused by weak horn springs
Porsche 944 S2 Coupe Guards Red
Porsche 993 Coupe 9m RS Replica
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Joined: 04 Jul 2014
Posts: 728
Location: Kent

PostPosted: Fri Jun 07, 2019 1:23 pm    Post subject: Reply with quote

My horn sounded every time I changed gear after I mismatched the tip shifters and the horn earth...

993 C2 Tip Aventura
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Joined: 17 Sep 2008
Posts: 1344
Location: Spain

PostPosted: Fri Jun 07, 2019 3:01 pm    Post subject: Reply with quote

Yep had the same problem many years back, probably for me the heat in Q8.

Link below explains the problem and a fix. Thumb

Cost of parts will be a bit more today I'm sure. Evil or Very Mad


ATB Smile
1995 993 C2 Cab TipS in Guards Red
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Joined: 13 May 2010
Posts: 583
Location: Oslo, Norway

PostPosted: Sun Jun 09, 2019 2:48 pm    Post subject: Reply with quote

Common problem. You need new horn bushings.
You can either buy a new aluminium air bag frame from Porsche and hope that it fits your steering wheel. If not, you just pop out the bushings and use them on your existing frame.
Bushings are also available here:

'95 993 C4

Bergvill F/X
Porsche electronics specialists, products and repair services.
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Cameltoe & Heel

Joined: 26 Jan 2009
Posts: 1327
Location: Preston - Lancs

PostPosted: Tue Jun 11, 2019 7:17 am    Post subject: Reply with quote

Yes I have the same issue but it happens when turning left usually...ordered a new frame with rubbers from Type911.

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