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Road Surface Noise

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Old 08-09-14, 11:22 AM   #31
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Originally Posted by oldgrump View Post
If the car has been shipped after the dealer that first took delivery of the car has accomplished the PDI (when the dealer is supposed to install the four bungs in the four shipping tiedown openings) then these four bungs/plugs (the oval shaped ones PN 90950-01259) may be missing........I noticed this on my car a few weeks after I took delivery (it had been shipped from another dealer in another province). The dealer supplied another set which I installed.......can't say I noticed any difference in road noise and I believe that the road surface has more to do with the road noise than anything else (assuming the same tires). The round body plugs should have been installed at the assembly plant, but if missing should definitely be replaced/installed.
How do you know if they're missing?
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Old 08-12-14, 08:28 PM   #32
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Originally Posted by iceblast View Post
Has anyone done anything other than the plugs to surpress road noise?

I was hoping for some other DIY tips to reduce road noise (mainly @ highway speeds; seeems to be the big issue).
Or has anyone done anything complex like add more insulation to the fenders?


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Old 08-20-14, 05:55 AM   #33
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Default solution?

OK so I have narrowed my solution down to using dynamat extreme to remove resonance on the floor within the cabin and adding a layer of dynaliner (mass loaded vinyl with a cell foam layer) to block out sound....

Has anyone attempted this or should I expect only marginal results? Also, can I attempt this in the doors also?
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Old 08-20-14, 05:55 AM

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2010, 2013, cabin, camry, difference, es350, good, gs350, lexus, make, michelin, mxv4, noise, primacy, recall, road

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