Prius Prime detailed sound proofing procedure.

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.

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Wow!
Great Job n nice picture collection.

i expect it will help me to sound app installation.

 

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.

 

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.

 

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).


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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!

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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

 

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.

 

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

 

@RobertZ do you happen to notice if this material is lighter than the Dynamats / Noico sound damping materials. I used Noico in my regular Prius and it was quiter/better than without it. I wouldn't quite say LEXUS quiet but sanely quiet

 

I used sound deadening in my front doors and hatch and spare tire area, my car is heavy now lol, getting like 36 mpg.

 

I just sold my Jeep wrangler Unlimited and I am getting a 2021 Prime technology package soon. I was going to do this with the Jeep as they are notoriously loud. I am going to continue on my path of quiet driving and complete the same job you have done with sound deading materials. Quiet and relaxing is my main goal now. Well that and getting more than 350-400km per tank.

 

In the Wrangler I mean. Not the Prius. Hence one of the reasons I am buying it. The other is that most of my driving around town is less than 60 km per day, so I will never burn gas doing those things. I am installing a level 2 charger on my garage behind my house for charging so do some errands plug back in and charge up. Can I just keep it plugged in and it will regulate the charge itself?

 

See post above!

 

I found a lot of noise was coming from the tires. I bought a 17 prime advanced about a month ago. It was quiet compared to my 14 plug in. The tires on the 17 were michelin premiers and on my 14 were Yokohamas. The wheels on the 14 were aftermarket so I switched wheels and tires between the two cars. The loud rumble also switched. I went to the tire store and bought michelin defenders, to replace the yokohamas, which were much quieter but still not as quiet as the premiers. I switched to premiers and its very quiet. I did this all within 3 days.