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BRZ First-Gen (2012+) -- General Topics All discussions about the first-gen Subaru BRZ coupe |
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06-10-2012, 02:27 PM | #1 |
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'Fluttering'/soft rattle at speed
I've been noticing a slight sound coming from the right rear when I am traveling about 75-85 mph. It sounds like something is fluttering or a hard plastic rattling. I have looked all over the area and can't find anything loose. I may take the car in for the dealer to look at, but I'd love to hear if anyone has any ideas what may be causing it.
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06-10-2012, 02:40 PM | #2 |
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Can you reproduce the issue every time? Probably the first question theyll ask... If yes, tell them youd like to drive the car to show it to the tech, unless you want him breaking the law in your car for you.
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06-10-2012, 02:41 PM | #3 |
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could it be the back seat not shut all the way? or a seat belt in the back?
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06-10-2012, 02:54 PM | #4 |
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It's with the windows up, and yes, it happens every time.
After looking at the affected area, I think it might be the right rear flap in front of the tire. It is right from that area, but I don't have a good jack or lift access.
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06-11-2012, 03:51 AM | #5 |
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I have the exact noise of your description. I havent prodded around yet.
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06-11-2012, 04:24 AM | #6 |
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Very interesting. Let me know what you find out.
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06-20-2012, 01:13 PM | #7 |
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I have this noise as well in my FR-S. I haven't been able to figure out what it is. Anybody have any clue?
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06-20-2012, 01:39 PM | #8 |
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I have it too. Haven't figured it out yet.
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06-20-2012, 01:49 PM | #9 | |
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Quote:
Signs that I had were a constant low noise vibration coming from the back rear of the car. I noticed the raised "pop-up" yesterday and upon locking the seat back this fixed my issue.
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06-20-2012, 02:52 PM | #10 | |
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Quote:
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06-20-2012, 02:54 PM | #11 |
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^I just figured it was a typical Subaru performance car... Squeaks and rattles usually don't bother me though (unless it was actually affecting the reliability and performance of the vehicle).
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06-20-2012, 03:55 PM | #12 |
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One thing I noticed on my BRZ was the license plate rattling when I shut my trunk. I used some 3M molding adhesive to stick the bottom of the plate down to stop it. If not stuck down it might rattle at speed.
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06-20-2012, 10:09 PM | #13 |
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I've heard a similar sound at speed. My first thought was that the sound was coming from the dash vents. It seemed to me that the intake for the cabin circulation system must be pointed forward and that air pressure at high speeds was causing the fans or diffusers to get overwhelmed and make noises in protest. I only hear the noise at 65-70+ mph, so it's definitely speed related.
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06-29-2012, 04:21 AM | #14 |
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EXACT same sound. Right rear, seemingly top of right seat or around there. Seat is up and locked. Happens every time at highway speed 70+. If I didnt know better I'd say it sounds like a trunk tension bar tapping on something - dont even know if our cars have trunk tension bars. Need to get back there and check it out with someone else driving.
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