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Thread: sound insulation

  1. #1
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    Default sound insulation

    Had a search but cant seem to find anything about it. Has anyone fitted sound insulation to their siggy/vectra. I find the road noise is bad in mine. Fancy fitting something in the rear to try and treat this a bit. I dont want to spend alot as its my run about car. Has anyone got any tips on what to use?

    Thanks, Rob

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    Regular Member alzsxi's Avatar
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    This is what I've done in mine, not finished yet though!
    http://www.vectra-c.com/forum/showth...so-far!!/page4

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    Nice work, did it make much difference to road noise?

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    Regular Member Mr Owens's Avatar
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    Vehicle : Vectra

    Trim : Sri

    Engine : 2.2 direct

    Year : 2004

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    I've got 30 sheets of second skin to go in my doors and quarter panels, but its only for my audio upgrades.

    Have you checked the road noise isn't your tyres causing it as you won't benefit that much by sound deadening if it is

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    Regular Member jamiedvvt's Avatar
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    Vehicle : Vauxhall Vectra

    Trim : Sri

    Engine : 1.8 vvt

    Year : 2008

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    My car is the same but since i put new tyres on its no where near as bad, turn the radio up can't hear it as much then mate

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    Regular Member TonyP2020's Avatar
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    Vehicle : Mokka

    Trim : SE - Orange Rock 's !!

    Engine : 1.7CDTi

    Year : 2014

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    Road or wind noise can get in in a few ways.
    Noisy wheel bearings can also be heard, as can tyre noise.
    It can also be just a small gap that lets in wind/road noise.
    Can you get someone else to drive and have a listen whilst sitting in the rear seat?? This way you can also open the small door into the boot and see what difference that makes.
    I bought good quality car mats which included a boot mat too. That can make a difference.
    The doors might need adjusting so they close more fully, my rear doors are now flush with the panels, they were slightly proud.
    The tailgate was also slightly twisted when closed, and I had to move the catch in the boot.
    The boot/hatch seal at the roof might be sticking to the paint of the hatch door. I found the paint there was very sticky and I think the seal may have been distorted when closed.
    All the door/hatch seals can be tested by shutting the door/hatch with a piece of paper trapped in the seal and then seeing how easy, or not, the paper can be pulled out.
    There was also, I think but cant find, a Field Remedy (FR) about the window glass in the door(s) not being correctly adjusted so it fits into the weather seal correctly. This can only be adjusted by removing the door cards.
    Plus the small fixed rear window(s) might not be 100% sealed, I think that was another FR.
    You can test for window seals by using a hosepipe or pressure washer, with the windows fully closed, and spraying the seals and seeing if any water gets inside. There wont be much water penetration, but even a few drops shows a leak.
    My offside rear window lets water in at the top right hand side, i.e., just behind the drivers door, but I have not done anything about it yet.
    Hopefully something here will help with the problem.
    Last edited by TonyP2020; 15th January 2013 at 21:29.

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