Prius Prime detailed sound proofing procedure.

Discussion in 'Prime Accessories and Modifications' started by RobertZ, Jul 21, 2018.

  1. audiodave

    audiodave Active Member

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    I'd like to add some to my roof, not as tingey sounding as the doors though. Figure you need to pop off the front pilers and sides where seat belts bolt on. Remove visors and light.

    Posted via the PriusChat mobile app.
     
  2. RobertZ

    RobertZ Member

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    I never looked at roof because I felt most road noise coming from firewall, wheels and door/floor area.
    I also don't hear any noise from the roof.
    Because car sits so low on the road that road noise on porous surface is unavoidable.
    For now I am done with this project :)
    BTW: I had a friend over the weekend and he has 2014 Lexus LS460 and he was sufficiently impressed with the noise suppression.
     
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  3. ashton.agar

    ashton.agar New Member

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    Wow!
    Great Job n nice picture collection.

    i expect it will help me to sound app installation.
     
  4. randomwalk101

    randomwalk101 DYI'er

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    I used to have an LS 460 and if I were your friend, I'd pretend to be "nice" too. Worst thing to do is bad talking about another man's ride. But honestly between the two, there is no comparison. The other one rides quiet like a tomb.
     
  5. Rc9000

    Rc9000 New Member

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    Just to make sure, you did not do the hatch door correct? I had bought a pack of dynamat Xtreme and 5 packs of of Dynaliner 1/8” (models 11101 & 10455) I was planning on doing the hatch but I’d much rather use material in other locations/ wheel well if that will make a larger impact.
    I just will have to look more into the wheel well Install more. 1st things 1st, I need to get the car planning to upgrade this month though.
     
  6. griffibaby

    griffibaby Junior Member

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    Thanks so much for your post and pics. While I would like to do a complete install, my budget won't allow it. So, having said that, I'll start with the wheel wells and go from there.
    I've really looked into sound proofing and see some DIYers have attempted this by using insulation from Walmart to the whole 9 yards using soundproofing tiles and various foam overlays. If I'm going to invest in the materials and time, I want the best materials.

    Two of my wheel well "liners" have been ripped off and need replacing so starting with the wheel wells makes sense. One of the posts mentioned a soundproofing spray for the wheel wells. I'd like to know more about that if I read the post correctly.
    Robert, your detailed post makes this a doable project (even for a girl . . . Ok, ladies don't criticize my reference).


    Posted via the PriusChat mobile app.
     
  7. kenoarto

    kenoarto Senior Member

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    When did you buy your car? If it is only 6 years old, the battery should be covered by warranty.

    "Hybrid-related components, including the HV battery, battery control module, hybrid control module and inverter with converter, are covered for 8 years/100,000 miles. The HV battery may have longer coverage under the Emissions Coverage. Refer to your Owner’s Warranty Information booklet for details."

    Take lots of pictures please!

    Posted via the PriusChat mobile app.
     
  8. RobertZ

    RobertZ Member

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    I never did the roof as most of sound issue is from the tire/road noise.
     
  9. RobertZ

    RobertZ Member

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    So after 8 months of driving I am still bothered by sound on some of the porous roads. I switched to Michelin Defenders and guess what very little improvement :-(
    They did alignment check and it was off by a bit in the rear, front needs minor adjustment too.
    I have not done this yet but I will get it done tomorrow.
    I am wondering if bad alignment would increase the noise.
    I must be dreaming but I though with just electric motor there should be very little noise but clearly lot of noise is due to road/tires and not ICE or electric motor.
     
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  10. RobertZ

    RobertZ Member

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    You should check out SecondSkinAudio web site. They have some kind of paste material that would be easy to apply in wheel wells.
    Good luck.
     
  11. Rob43

    Rob43 Senior Member

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    This "Spectrum Sludge 1 Gallon" looks like it would be very quick & easy to apply once the black plastic wheel well cover was removed. I might give this stuff a try sometime this summer, all that's really needed is a rubber glove and maybe a putty knife.

    Spectrum Sludge - 1 Gallon * MADE IN USA* - Second Skin Audio


    Rob43
     
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  12. David Rush

    David Rush New Member

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    Has anyone taken out the headliner yet?
    I am wondering how easy the A pillar trim pops off with airbags behind and if I have to go through all the airbag dis-arm protocol.
     
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  13. douglasjre

    douglasjre Active Member

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    Which sound does a material do you guys think is the best?
     
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