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1979 Phaeton Coupe, 1990 Brougham d'Elegance 5.7 liter
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Discussion Starter #1
My new '79 CDV project 'Denice' has a problem, and I'm slightly stumped about it. When I'm driving it, and I go over the slightest bump, there's a knock from the trunk area that sounds like somebody beating on the lid. When I got it, I thought it was just some of the junk in there rattling around, but after I gutted it, I still heard it. She has a rear sway bar, and Gabriel Hijackers installed if that helps. Can anybody give me some points to check at all? I already checked for loose exhaust parts, etc, could it be bad shocks or what?

Thanks,

Ben.
 
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Might be the ghost of someone that died back there. Skip the mechanic and get hold of an exorcist. :D Ok now that that is out of the way check the mounts where the rear bolts up and where the springs/shocks bolt up. Rust may have damaged things.
 

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1992 Town Car Cartier & 2014 Accord LX MTX
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Jimmy Hoffa is mad at you!
 

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check the air pressure on the shocks see if they hold air if they leak and arent holding air then they will make a clunk noise when goin over bumps...
 

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1979 Phaeton Coupe, 1990 Brougham d'Elegance 5.7 liter
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4,416 Posts
Discussion Starter #7
lol, took the body out and it didn't help, so I also puts lots of air in the back shocks and it still did it. Also, the spare has been out, like I said, I gutted the trunk entirely and it still did it. I looked under it and didn't see anything jumping out at me, but what do I know.. I'm taking it to my mechanic soon so we can look at it up on a hoist, so we'll look it over more at that point. I think it's in the suspension, because when I manually lift and drop the back bumper, I can hear it from outside the car.
 
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