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Cx50 road noise issue
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"SA-006-22 Summary: There have been warranty claims submitted for growling or bearing whine noise in differentials, transfer units and transmissions where the source of the noise was a wheel bearing. This misdiagnosis can lead to multiple repair attempts, warranty debits, and additional inconvenience and/or cost to the customer. To reduce the chance of this occurring, please follow the steps outlined in the repair procedure."
Coming from a 2011 Honda CR-V my CX-50 is a monumental improvement all around. Almost 6k miles and still loving it. Is it perfect, no, but no car is perfect, nor is any manufacture immune from making a lemon or having a bad production run. It’s inevitable. Best of luck.
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Download a DB noise level app and report the sound level at various speeds on different roads to get an average, perhaps other can compare. I'm personally very interested in the data.
My biggest issue with the CX-50 is the road/wind noise intrusion from the driver's door (top of driver's door mostly). Not a whistle but just a general noise intrusion / wind rush sound, makes me think the window or door is not fully closed while doing highway speeds, but they are. Dealer checked it and found no issue.
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Will do. The car is sitting at the dealer now and they say they have had 3 or 4 come back with customers complaining about what seems to be wheel bearing noises. This is not just road noise. Yes I understand mazda cheaped out big time on this car and used very little sound insulation. I could live with that. I've owned 10 cars in the past 4 years all brand new leases and this one is the worst. It's not acceptable and no one should have to live with a vehicle that makes this much noise if it's considered a normal characteristic of the vehicle.
"I've owned 10 cars in the past 4 years all brand new leases"........that's impressive. This is my third car in 20 years and some change. I keep all my vehicles for a minimum of 10 years.
For the first time I will chime in with something positive. 
99% in a city drive - CX50 is as quiet as 2021 AWD Lexus NX Premium. Sometimes I might even say the ride is more quiet and less bumpy with CX50 than with Lexus.
From what I read on this forum - Mazda made in US, has a major Quality Control issues. There is a great variance in each vehicle produced - hit or miss. This a a major problem if you are buying fully loaded - $43k non luxury vehicle.
99% in a city drive - CX50 is as quiet as 2021 AWD Lexus NX Premium. Sometimes I might even say the ride is more quiet and less bumpy with CX50 than with Lexus.
From what I read on this forum - Mazda made in US, has a major Quality Control issues. There is a great variance in each vehicle produced - hit or miss. This a a major problem if you are buying fully loaded - $43k non luxury vehicle.
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71 Posts
Yep you may be right but I’ve had mine 5 mos and its very quiet and knock on wood zero issues. I’m still very happy with it. Time will tell but I have no regrets.
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If the noise is coming from the top back corner of the window glass this may require adjusting if the internal window rail angle. There are often screws at the bottom of the rail that can adjust the tilt putting more pressure on the rubber seal
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Im actually pretty impressed with how quiet the cx 50 is. I do have continental performance all seasons. My phone charger even works but slowly.
I do have a strange clicking sound from the rear. It disappears after 10 mph or so but probably still there you just cant hear. Almost like a drive shaft is rubbing something bc of the consistency. If im backing into my garage that sound is the same just much slower tempo which then sounds more like a groaning shock or something..really weird.
I started a thread hear in the issues section a while back.
We'll see on first oil change.
Other than that this car is a cruzer with a good infotainment setup and stereo.
But personally, id wait for the cx70 if your in the market.
I do have a strange clicking sound from the rear. It disappears after 10 mph or so but probably still there you just cant hear. Almost like a drive shaft is rubbing something bc of the consistency. If im backing into my garage that sound is the same just much slower tempo which then sounds more like a groaning shock or something..really weird.
I started a thread hear in the issues section a while back.
We'll see on first oil change.
Other than that this car is a cruzer with a good infotainment setup and stereo.
But personally, id wait for the cx70 if your in the market.
Not to get off topic, but which Continental's do you have? What size wheel are you running? And did you notice a change in noise and/or ride comfort when you did the swap?
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I believe the dw6 continental extreme performance all season..same 20 inch 245/40. Road noise didn't really change but the cornering did big time. The stiffer sidewall helps alot. I put about 400 miles on the stock tires and the howling rolling over feel in corners was horrible.
I have been wondering if swapping tires while keeping the 20” wheels would solve my ride comfort issues. I find the car too bouncy on concrete freeway. Did you happen to notice a difference in compliance or general ride comfort? I know the DSW06 are performance tires, so you may not have.
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I would say firmer less bouncy because of stiffer sidewalls. Road noise maybe a bit better too. Stock felt like driving on water balloons that had a rollover feel in the corners.
I completely agree. The rollover on the stock tires is horrible. You can even feel the movement of the sidewall on long curves. I will probably be switching them next spring.
Of all the CX50s I've seen, they are all similar in quality.For the first time I will chime in with something positive.
99% in a city drive - CX50 is as quiet as 2021 AWD Lexus NX Premium. Sometimes I might even say the ride is more quiet and less bumpy with CX50 than with Lexus.
From what I read on this forum - Mazda made in US, has a major Quality Control issues. There is a great variance in each vehicle produced - hit or miss. This a a major problem if you are buying fully loaded - $43k non luxury vehicle.
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Have the Turbo Premium, and have no issue with road noise. Also, when test driving other CX-50 trims, including non-turbo trims, the road noise seemed like what would be expected. But this is subjective, and we all probably have different tolerances for what we would call acceptable road noise. A way to determine if there is "excessive" interior road noise quantitatively, is to compare to other cars in the class, by using a decibel meter and take multiple measurements at several speeds under similar driving conditions, then compare with other cars, like in the databases below. Hence, the variance in the interior road noise, may not be in the variability in the CX-50s being made, but in variability in how different people perceive road noise.
alexonautos.com
Cabin Noise Scores — Alex on Autos
Please note that in 2019 two BIG things happened. The road we test on was repaved, AND our sound meter met an unpleasant end. As a result scores from 2019 and earlier should not be compared to late 2019 and later.
alexonautos.com
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1500 miles on 2.5 S Select, base model with 17s. Even on really bad New England roads the ride is compliant. Road and wind noise are both pretty much nonexistent at 80 mph+. Perhaps I just managed to score a good one, but overall the ride and noise are on par with my previous two cars: a 2018 VW Tiguan and a 2021 Nissan Rogue. The Mazda is the best looking of the three but least roomy inside. I also wish it were just a couple inches taller. I realize the CX5is about 3 inches taller, but I found the seats really uncomfortable in the CX5. Overall a pretty cool car but I am very glad I only spent around 29K on it, and honestly do not think this car is a good value in the high 30s or low 40s.
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