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post #1 of 25 (permalink) Old 01-12-2018, 07:41 AM Thread Starter
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TSB for Wind Noise?

While I knew full well that my vehicle ('16 Mazda 6) had been criticized for having a noisy cabin when I bought it, I never really spent much time thinking about it - and it hasn't bothered me much... until today. My dealer gave me a new '17 (maybe '18?) CX-5 as a loaner and it's a-maz-ingly quiet in comparison. It actually feels like it's at the high end of the economy vehicle spectrum, whereas mine is somewhere in no-mans land.

I realize we're comparing apples and pears here since I drive a normal sedan but my understanding is that the newer 6's are also quieter.

I also know there was a TSB for the '14s and '15s.

With all that said, does anyone know specifically what engineering details are different between the newer models and the older ones? Specifically, I'm curious to know if I can modify the cabin of my 6 to sound like a 17 or 18?
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post #2 of 25 (permalink) Old 01-12-2018, 08:44 AM
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Originally Posted by jakip2000 View Post
With all that said, does anyone know specifically what engineering details are different between the newer models and the older ones? Specifically, I'm curious to know if I can modify the cabin of my 6 to sound like a 17 or 18?
The original problem with the cabin noise was due to the plastic clips which held in the rubber seal around the doors. The seal would tear and detach at the clips and there was no way to fix it besides pulling it all off and replacing both it (the seal) and the clips which had a much larger radius.

As for sound dampening your car, check this out: http://forum.mazda6club.com/3rd-gen/...ise-issue.html
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post #3 of 25 (permalink) Old 01-12-2018, 09:18 AM Thread Starter
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Hm. Yeah. I don't think anything has torn. The noise hasn't gotten any worse, it's just omnipresent for backseat riders. Perhaps someday I'll try to tackle the road noise, but really my issue is with the wind.
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post #4 of 25 (permalink) Old 01-12-2018, 02:37 PM
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Hm. Yeah. I don't think anything has torn. The noise hasn't gotten any worse, it's just omnipresent for backseat riders. Perhaps someday I'll try to tackle the road noise, but really my issue is with the wind.
Unfortunately, from people's experience, if you take it to a stealership they won't do anything unless it's really bad wind noise.

I may be mis-remembering this, but I thought there was also something to do with the B pillar and the snap-on piano-black plastic trim pieces....but I can't find it.

(BTW, those are held on by 3 - 4 clips and a whole HEAPING of 3M tape - trust me, I removed them once and won't ever try again)

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post #5 of 25 (permalink) Old 02-06-2018, 01:38 PM
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I have an early 2014 and had these window seals replaced under the TSB early on and really, it only made a marginal difference in noise level regardless. I received a recall notice just the other day for the window trim pieces having to be "reinforced" as they tend to break off and expose sharp edges for some folks (I have not experienced this personally but plan to bring it in anyway since I also have the rear brake caliper recall to deal with at the same time). I have heard that the 2016-2018 models are better (quieter) as far as interior noise goes and added more noise insulation to some areas (wheel wells in particular). The noise doesn't bother me at all in city driving but is noticeable when driving on the highway if you're sensitive to that kind of thing.

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post #6 of 25 (permalink) Old 02-26-2018, 10:17 PM
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Did anyone ever tried beefing up the window seals? There are some videos on youtube for Accord 2013-15 where people used foam + 3M tape and are claiming it made a lot of difference. Mazda6 seems to suffer a similar problem and it sounds like air is leaking between the windows
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post #7 of 25 (permalink) Old 04-17-2019, 03:00 PM
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Originally Posted by cutepoison View Post
Did anyone ever tried beefing up the window seals? There are some videos on youtube for Accord 2013-15 where people used foam + 3M tape and are claiming it made a lot of difference. Mazda6 seems to suffer a similar problem and it sounds like air is leaking between the windows
As luck would have it I drove by a Mazda dealership today. No one had heard of noise complaints! However there is a TSB, No. 09-024/18 covering 2014-2016 and some 2017 models. Mazda is only covering under the limited new vehicle warranty which is 3/36k.

"Some vehicles may exhibit wind noise at rear door quarter glass when driven at high speed. This is caused by air leakage from the gap between rear sash molding, rear door glass run channel, rear door glass guide, and rear door quarter glass guide.
Replace the rear door quarter glass guide, rear door glass guide, and the rar door glass run channel at affected side(s) with modified ones on MGSS (REAR DOOR QUARTER GLASS REMOVAL/INSTALLATION)."

Parts: :
GHK1-72-651E is RH rear door quarter glass guide
GHK1-73-6515 is LH
GHK1-72-602B is rear door glass guide
GRT6-72-605A is RH rear door glass run channel
GRT6-73-605A is LH.

I was quoted 193.15 for all part before tax. TSB labor for one door .05 for two .08 hours.
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post #8 of 25 (permalink) Old 04-18-2019, 04:40 PM
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I confirmed the loudest noise is from the area of the TSB. I think there might be some from the pillars also, but it's hard to tell with the back quarter glass area leaking like a sieve. I ordered the parts online for about $140.00. Will install as soon as they get here and re-evaluate.
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post #9 of 25 (permalink) Old 04-18-2019, 05:07 PM
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Do you have a copy, say, in pdf form, of that pdf? I cannot seem to find it on-line.

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post #10 of 25 (permalink) Old 04-22-2019, 02:17 AM
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Quote:
Originally Posted by cheesehead View Post
"This is caused by air leakage from the gap between rear sash molding, rear door glass run channel, rear door glass guide, and rear door quarter glass guide.
Ill try taping up that area and see if that really the cause.
My LH door is fully quite. RH has the leaking air problem. My car has the original mazda TSB done. I did not notice any difference whatsoever after the original TSB.
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