Question about 1999 Porsche Boxster

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My 1999 porsche boxter horn blows when you hit the brakes?

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A common problem. The rubber bushings within the (steering wheel) airbag frame go soft and compress over time. Replacement of the frame (or just bushings, if your adventurous) will solve the problem. My dealer wants $250 for the repair. In the meantime, wedge something between the steering wheel cover and the wheel itself (folded matchbook or equal) to help.

Posted on Dec 19, 2010


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Horn keeps going off on 1999 911 porsche

Common 1999 911 problem Stephanie that needs to be repaired by a qualified Porsche mech. He will need to remove face of your steering wheel and replace horn switch that has worn out and is loose inside steering wheel. Will only get worse and could cause you issues when you hit your brakes behind car(s) stopped for red light. Trust me - I almost got in a couple of fights as they thought I was being a wise guy & "playing Porsche games".
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I have a 2001 porsche boxter and the horn started blowing for no reason and the fuse blew, when i replaced the fuse the horn starts blowing and i have to take the fuse back out to get it to stop.

so you know the horn is working,the wiring from the fusebox is working,the only thing left is the hornpush or the wire from the horn push to the fuse........

Jul 15, 2010 | 2004 Porsche Boxster

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the centre pad on the steering wheel,is held up by four springs and over the years have gotten weak and are putting pressure on the horn contacts, maybe find some soft rubber to slide under the pad to raise the pad up a bit..
also a DIY fix is to buy a steel spring from Home Depot and cut two lengths so that it when fixed to the back of the air-bag support plate, placed so they pushed against the rubber part of the steering wheel assembly and therefore they do not form a contact to earth themselves, they assist the rubber gromets in keeping the horn contacts apart.

Apr 19, 2010 | 1999 Porsche Boxster

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I need a radio code for my 1999 porsche boxter

The following site will help you recover your radio's serial number and code:

Apr 14, 2010 | 1999 Porsche Boxster

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99 Boxter horn

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

Jul 05, 2008 | 1999 Porsche Boxster

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