2013 Accord Sport CVT makes whistling/ hissing sound when car is decelerating - Drive Accord Honda Forums

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Old 11-06-2012, 07:58 AM
nakamdar212 nakamdar212 is offline
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2013 Accord Sport CVT makes whistling/ hissing sound when car is decelerating

Anyone notice a whistling / hissing sound when decelerating in the 2013 Accord Sport CVT? I notice it when the car is decelerating (no brakes applied) in the 35mph - 0mph range. The car has ~500 miles.

Is this common? Is it a symptom of bad engine break in?

2013 Accord Sport CVT - Obsidian Blue Pearl
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Old 11-06-2012, 08:30 AM
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blow off valve?

kidding
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Old 11-06-2012, 08:42 AM
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I haven't noticed anything, but I'll keep an eye (ear?) on it.
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Old 11-07-2012, 05:22 AM
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Quote:
Originally Posted by nakamdar212 View Post
Anyone notice a whistling / hissing sound when decelerating in the 2013 Accord Sport CVT? I notice it when the car is decelerating (no brakes applied) in the 35mph - 0mph range. The car has ~500 miles.

Is this common? Is it a symptom of bad engine break in?

2013 Accord Sport CVT - Obsidian Blue Pearl
Do you have Econ turned on? I don't believe I have heard this sound. You can be reassured it's not from a bad engine break-in though. That is now done at the factory before you even get the car because of the much higher tolerances new manufacturing processes have now, an engine break-in only takes hours.
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Old 11-11-2012, 07:37 AM
nakamdar212 nakamdar212 is offline
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good call svenkill...i turned eco assist off and the whistling noise is significantly lower..however it is still slightly there if i listen carefully..im worried there is some kind of improper seal in the engine..or maybe im over analyzing the noise

have you noticed the noise with eco assist on? Now im wondering if there is a problem with my eco assist system
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Old 11-11-2012, 11:12 AM
grover432 grover432 is offline
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In my experience the best way to determine if the noise is normal is to go back to the dealer and ask them. I have also requested a test drive in a new unit that is the same as mine in the past to help determine if the noise is "normal". Not sure you can jump to the conclusion that you have an engine seal problem from a noise that you aren't familiar with though.
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Old 11-11-2012, 12:57 PM
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I have that whistling sound on my Sport. It sounds unbelievably similar to the way my Passat 2.0T sounded when coming to a sound. There's got to be a turbo in there somewhere
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Old 11-11-2012, 01:00 PM
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Quote:
Originally Posted by grover432 View Post
In my experience the best way to determine if the noise is normal is to go back to the dealer and ask them. I have also requested a test drive in a new unit that is the same as mine in the past to help determine if the noise is "normal". Not sure you can jump to the conclusion that you have an engine seal problem from a noise that you aren't familiar with though.
I guess you might understand this since you put normal in quotes, but just because the other new car makes the same noise does not mean it's okay for it to do it. What's normal is if it's truly designed to work that way. I don't mind that whistling noise, in fact, I kind of like it, but I just want assurance that everything is okay.
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Old 11-11-2012, 01:05 PM
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I have not heard anything.
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Old 11-11-2012, 01:18 PM
nakamdar212 nakamdar212 is offline
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it does sound like a turbo engine haha but i also really want to know whats causing it to make sure its not a problem that only gets worse and worse as the car gets older...what is your plan iggi?
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Old 11-11-2012, 01:28 PM
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it does sound like a turbo engine haha but i also really want to know whats causing it to make sure its not a problem that only gets worse and worse as the car gets older...what is your plan iggi?
Unfortunately, I don't have a plan. I've been so busy that I have yet to even register for new plates(temporaries expire in 5 days). I tend to be very mechanically involved with the cars I own, so I probably will figure out what the noise is caused by.
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Old 11-11-2012, 06:28 PM
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I NOTICE THE EXACT SAME THING. I am pretty sure it is nothing to worry about. It would be nice to know what it is though :L
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Old 11-12-2012, 08:23 AM
grover432 grover432 is offline
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Quote:
Originally Posted by iggibar View Post
I guess you might understand this since you put normal in quotes, but just because the other new car makes the same noise does not mean it's okay for it to do it. What's normal is if it's truly designed to work that way. I don't mind that whistling noise, in fact, I kind of like it, but I just want assurance that everything is okay.
Then you need to go to the dealer. I was just pointing out that if all of the cars are doing it, it is unlikely something is wrong with your particular car, but that the sound is characteristic of the vehicle.

User forums are helpful, but I doubt anyone here will be able to diagnose an engine problem from a sound you are describing. Best to talk to your dealer.
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Old 11-12-2012, 09:42 AM
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I didn't notice it until this thread mentioned it. I have it too on my I-4 CVT but I have to listen really hard to hear it. Not really bothered by it compared to others here.
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Old 11-12-2012, 03:47 PM
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CVT Transmission is making the noise

Problem solved
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