Rattling boot lid

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MartinMax
Posts: 84
Joined: Wed Jan 31, 2018 8:16 am

Rattling boot lid

Post by MartinMax »

My 206cc has a strange rattle in the boot lid whenever I go over a rough road or bumps. I partially traced the issue to the part where the lid metal is connected with the strengthening brace under the lid. there are traces of silicone glue that held the two together but the bond has loosened.

Question: Can I use regular (bathroom) silicone to glue the two back together?

There was a note in some of the other posts that the acetic fumes can damage the seals and metal?
What can be used as alternate glue?
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2001 206cc 2.0 S16
Silver with matte black accents...

IanL
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Joined: Wed May 13, 2015 10:34 pm
Location: Jersey, Channel Islands

Re: Rattling boot lid

Post by IanL »

Loctite Epoxy Weld Bonding Compound, perhaps?

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MartinMax
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Joined: Wed Jan 31, 2018 8:16 am

Re: Rattling boot lid

Post by MartinMax »

@IanL, that might require sanding the paint which I would like to avoid.
Also, the quantity would be enough for just one joint, while the lid would require 7 (or 14) glue joints.

Additionally, the old glue as far as I can see was a bit rubbery, probably to provide some flex betwen the two parts. I've added an image with blue markings where the bonding points were (roughly).
under boot lid.gif
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---------------------------
2001 206cc 2.0 S16
Silver with matte black accents...

IanL
Posts: 1427
Joined: Wed May 13, 2015 10:34 pm
Location: Jersey, Channel Islands

Re: Rattling boot lid

Post by IanL »

How about 3M™ Scotch-Weld™ Plastic & Rubber Instant Adhesive PR600.

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gazza82
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Joined: Sat Apr 23, 2011 8:41 pm
Location: Buckinghamshire, UK

Re: Rattling boot lid

Post by gazza82 »

Can you simply wedge some thin strips of rubber or similar in the gap to see if it fixes it first?
Family Fleet: ex-Cayman Green 206 CC 2.0 LE, Indigo Blue 206 1.4 HDi Hatchback, Alfa Romeo MiTo, Renault Clio II 1.5dCi

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Capncol
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Location: Reading & Southampton

Re: Rattling boot lid

Post by Capncol »

Silicone sealer is not an adhesive,. Sikaflex would be better.
Cheers Col.


206cc 1.6ltr (Wifes toy)
Mercedes ML (workhorse)
Corvette C3 (my toy)

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MartinMax
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Joined: Wed Jan 31, 2018 8:16 am

Re: Rattling boot lid

Post by MartinMax »

@gazza82, Already did that, and it does fix it. Them issue is simply that the sheets of metal that were initially glued together are now separated and when they flex they rattle.
But I will check if I can buy some of the proposed glues (Sikaflex or 3M™ Scotch-Weld™)
Also possible solution can be door mounting foam (Ceresit or similar) as it does not expand after initial expansion and it will provide flex.

On a different note, as I plan to install audio in the boot, the bot-lid desperately needs some Dynomat for sound deadening.
---------------------------
2001 206cc 2.0 S16
Silver with matte black accents...

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MartinMax
Posts: 84
Joined: Wed Jan 31, 2018 8:16 am

Re: Rattling boot lid

Post by MartinMax »

UPDATE:
The rattle was fixed by doing the following:
1. Filled the gaps with silicone so the panels can flex but not bang together.
pic 1.jpg
2. Put sound deadener on the bottom
pic 2.jpg
3. Placed an additional washer on this pin
pic3.jpg
The rubber grommet has shrunk over time and there was a bit of play in the lid.
All in all now it is quiet.
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---------------------------
2001 206cc 2.0 S16
Silver with matte black accents...

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