Question about 1999 Porsche Boxster

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99 Boxter horn

Horn blows when stopping or hitting bumps

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  • tamgen Apr 14, 2009

    why is removing the fuse not safe?

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The horn grommet retainer frame must be replaced due to detiorization of rubber spacers.

Posted on Jul 10, 2008

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Hello:

I have a 1999 boxster as well with the same problem. The short term fix is much easier and safer than removing the fuse. I called and spoke to Doug at Champion Porsche in
Broward FLA and his suggestions worked like a charm so I was able to drive my Porsche to the dealership.

Take a regular size business card and fold it 2-3 times, looking at the crest on your horn lift the back of the horn assembly ever so slightly, if the horn goes off you lifted it to much. Take the folded business card and wedge it behind the horn. Problem fixed for now. You can press on the horn to ensure that this patch is working and it should.

Cost was $236.00 parts and labor.

Posted on Aug 10, 2008

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I had a rubber strap, about 5/8" wide and 1/16" thick. Cut four circles and punctured them to fit below the deteriorated grommets. Reassembled. Worked like a charm.

Posted on May 07, 2013

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I did it slightly differently. I took a busted inner tube for a bike, cut out rubber grommet shims and added it to the assembly. You might have to add two or so to make the proper spacing depending on the thickness of your tube.
Cost 0$, about 1hr of work.

Posted on Sep 23, 2011

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