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Old 03-08-2007, 11:30 AM   #1
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Default how do i stop my taillights from rattleing

hi i have a 1988 bonneville sse and i put fatmat in my trunk.. and for some reason my tail lights and my license plate holder still rattle. can any one tell me how to stop this rattle. i still have alot of fatmat left and i thought about taking out the tail lights and license plate holder and putting fatmat on the frame behind all three peices them putting tail lights and license back. or should i just spray some great stuff expanding foam behind all three peices or will this permeantly bond themn to the car.? any advice will help as the rattle is bad...
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Old 03-08-2007, 11:32 AM   #2
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expanding foam will destroy your lights, 99% certain...

i would take out all the lights and put the fatmat behind them.. then re-install them making sure they are seated correctly and torq'd to spec
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Old 03-08-2007, 12:18 PM   #3
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ill go with 2 layers of fatmat instead. thanks.
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Old 03-08-2007, 04:16 PM   #4
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some times these things can be fixed easier than you might think. Is your license plate holder rattling or the license plate? I shoved a shop towel behind my license plate and screwed it in and it doesn't rattle at all. Sometimes it is just that easy, and didn't cost a ton of money, just an old rag.
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Old 03-08-2007, 09:23 PM   #5
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its the tail lights and license plate holder. not the license plate it self..i tightened them as much as i could from in the trunk but i think the plastic nuts that hold them cant be tightened to much. or they will break.
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Old 03-08-2007, 10:18 PM   #6
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hmm i dont know if this would work but i have used window seal foam tubes (weather stripping) that are in various diameters at the hardware store to wedge in some places to fill in gaps, I am not sure if this would help in your application but it helped me better seal my trunk lid to stop a lot of the rattling where the trunk lid met the body.
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Old 03-08-2007, 10:42 PM   #7
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honestly, I would just say use as much sound deadner behind your lights as possible. I pretty much did the same. If you put more sound deadner on your license plate and tighten the holder onto it more that should fix the problem
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