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Horn Replacement 2008 Cayenne GTS

 
Old 06-14-2013, 10:41 PM
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FadaGuy
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Default Horn Replacement 2008 Cayenne GTS

Greetings, I need to replace both horns on my 2008 Cayenne GTS...any pointers?
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Old 06-15-2013, 01:09 PM
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Andy E.
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The front grill openings on the turbo and GTS are much larger than those of the Cayenne and the Cayenne S. This, coupled together with the fact that the mouths of the horns are facing forward equals ingestion of plenty of water and snow with subsequent horn failure.

A lot of patience is needed when removing the front bumper. Do a search and you'll find a lot of posts on the subject.
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Old 06-17-2013, 09:36 AM
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4ocious
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+1, a known problem, the horns in my 2010 also required replacement.
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Old 07-24-2013, 04:35 PM
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Saggio
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You can replace both through the fender wheel well's.
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Old 04-25-2014, 10:11 AM
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FadaGuy
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THANK YOU!
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Old 04-25-2014, 11:29 AM
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Maybe I am crazy, but I think the bumper removal is easy

Just make sure you know were all the hidden screws are and the bumper will literally almost fall off. The ones people seem to miss are the upper top ones where the bumper meets the fender.

If you have to force it you missed something.

I think the only pain points is plugging the windshield wiper fluid bottle if you have headlight squirters, as that hose will drain everything out all over your floor, and moving the wheels left and right to get at screws if you decide to leave those on.

My car last year to swap from white to black grilles:



I need to pull it again to put my black turn signals in.
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Old 04-25-2014, 12:14 PM
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3.2 Targa
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I did this on my '05 and didn't have to remove the bumper. I did it from below. It was a little tight but not impossible. I may have had to loosen up the wheel liner but cannot recall.

I'm not sure on the '08 but I don't think it would be too different.
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Old 04-26-2014, 12:28 AM
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My arms weren't long enough and my fingers weren't strong enough to be able to go through the wheel wells.
2nd time doing this i decided to make the connectors longer and i used cheap horns. I figure they would last longer.
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Old 04-27-2014, 08:54 PM
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Cpa4S
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touareg - show us a pic of the new grill
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Old 08-24-2018, 11:11 PM
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What are installed is one Marco Tornado & one Marco Hurricane, together. The tornado is a 112 db dual-tone horn using frequencies 520 & 660 Hz and the Hurricane is a 110 db single tone horn using a frequency of 310 Hz. Together they make for a very loud tri-tone horn.

I used the original horn wire as the trigger to an 80A relay along with a 40A resettable automotive breaker. The relay is fed by a larger gauge wire that comes from the jump post under the hood on the driver's side and it grounded to the ground rod in that same area. The heavy gauge red 12v feed wire goes through the 40A breaker then to the 80A relay. Since I used the OEM wire a the relay trigger, that wire is already fused and then the horns are fused by the 40A breaker.


Horns mounted and wired in factory location



40 A Resettable Breaker (small fuse holder you also see here is for my Battery Tender hook-up, not the horns circuit)



80A SPDT Relay that feeds the horns



Hurricane Horn Specs


Tornado Horn specs
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Old 08-25-2018, 08:09 PM
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Thank you, Pete! It sounds like a train. Definitely stronger than the stock horns!
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Old 08-25-2018, 08:34 PM
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Originally Posted by nodoors View Post
Thank you, Pete! It sounds like a train. Definitely stronger than the stock horns!
For sure - actually audibly painful when I was taking the video - just like I wanted it to be!
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