My 2005 Civic 4-door is has a high level of road noise on the highway
and I am looking at putting in some noise dampening material.
A lot of the roads I drive on are "seal coat" (gravel poured over a
tar-like base and then worked in by the traffic). Also, I believe the
OEM tires that came with the car add to the noise level.
I am looking for suggestions on where to place those noise dampening
sheets for maximum effect. Has anyone out there already done it on this
generation of Civic?
How many miles on those tires? They may be worn, and that could cause
increased road noise. When I bought my 2004 Civic last fall, the dealer
threw in new tires as the originals were worn at 39,000km (24,000 miles).
I know what you mean about the seal coat surface. I have to drive on some
of that myself. There is some noticeable road noise on such surfaces with
my Civic, but it's not that bad. I just turn up the radio to drain it out.
That may seem funny, but it's a fact. I drive I-95 100 miles every day. AS
my tires wear, I find the radio gets louder and louder, enough for me not to
hear my cell phone when someone calls. When my wheel bearings went bad, I
thought it was the worn tires (severely worn on the inside due to lowering
springs, at that time), and I just cranked the radio even louder...
Even the new Civics have a lot of road noise according to Consumer
Reports. They say the same thing about the Accord and my 2003 Accord is
so noisy on some types of pavement that the radio is drowned out -- one
of my few complaints about the car.
I replaced the original tires on my 2003 Accord because I didn't like
their performance in the wet -- got Goodyear Tripletreads. While there
were changes in road noise, it still can drown out the radio on certain
I've seen one example (my sister-in-laws) improved noticeably by having
the car undercoated. I wouldn't do that on a used car if you live in a
road salt area or the pacific northwest, but if you are somewhere
relatively clean and dry it might be worth a try.
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