How to stop spoiler from rattling? (Not sure how to tighten screws)

[CJohnson85 10+ year member]

I dynamated my trunk, and it sounds much better. The rattling has stopped significantly, but my spoiler still rattles.

I let my car run and had the bass up. I went to the spoiler and applied pressure on it, then it stopped rattling. I see that the sides of the spoiler are not real tight and I could probably fit some kind of rubber material or something in the crack, which would be equivalent to me putting pressure on it to stop it.

Is there some cheap priced material I could buy just to use in that one location? And how much would it cost me?

Unless there is a way I could tighten the spoiler, but I popped the trunk and couldn't find any easy access to the screws. It's a 04 GT Mustang. I'd probably be better off putting in sound deadening material.

Thanks a lot

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[Cerberus2k7 10+ year member]

Pending on the size of the bolts, if you can't take the spoiler off you can buy some rubber washers, cut them into the shape of a "C" and snap them into place, and color them to match your car if you wanted to.

 

[96GTIVR6 10+ year member]

I would remove the liner from your trunk lid, I bet this would allow you to access the screws/bolts for your spoiler and make it so you could tighten them and fix your problem. Or it would let you remove the spoiler and cut out a rubber template for the feet and then re-attach it rattle free.

 

[_PuNiShEr_ 10+ year member]

On my car i drilled some wholes in the bottom of it (if its a plastic hollow one) and filled it with some of that expandafoam worked like a charm.

Eric