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06-13-2018, 08:17 AM
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#1 |
 
Drives: 2016 Nightfall Gray 2SS Convertible Join Date: Aug 2016
Location: Fort Lauderdale
Posts: 5
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Exhaust rattle switching from V8 to V4?
I've been having a "rattle" or "flutter" issue over the past couple months. It's been to 2 different dealerships for this issue, each dealership refusing to identify, diagnose and solve the issue. It's most noticeable when driving at slow speeds, accelerating, switching from V8-V4. The video attached is while I drive up my parking garage. The first segment is going up an incline and can be heard at :03. The second is level floor and can be heard at :19. I recorded the dash to include the RPMs and V8 / V4 flag indicator. The rattle / flutter is definitely associated with the V8-V4 switch. Any help would be greatly appreciated. I have MAYBE 2months left on my 3yr/36k warranty.
DJ https://youtu.be/beSB3xuezKM |
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06-13-2018, 09:24 AM
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#2 |
 Drives: Black Join Date: Jan 2017
Location: Nj
Posts: 440
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This happens on the trucks, and it is always the spring loaded flapper in the exhaust pipe to prevent v4 drone. Not sure if camaro’s have them.
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06-13-2018, 09:46 AM
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#3 |
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50th Anniversary Vert
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My Borla NPP does this too...usually when it kicks down from V8 to V4.
If I hold the pedal at the right spot, it makes a continuous flapping sound.
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