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Old 03-11-2026, 08:39 PM   #1
wang970305
 
Drives: 2021 Camaro 2SS
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21 SS rear seat belt rattling noise

My rear seat belt area is making a really bad clicking/rattling noise. It’s not a super good video but it records the sound really well. Has anybody had the same issues and how did you solve it?https://youtube.com/shorts/GzKD93jzF...OOTXjM1JE8LVus
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Old 03-12-2026, 07:09 PM   #2
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Is the rear seat latched?
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Old 03-15-2026, 11:53 AM   #3
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Quote:
Originally Posted by bishopts View Post
Is the rear seat latched?
I basically removed all the interior today except the ceiling panel and the rattling is still there. I can feel it’s there but can’t locate it
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Old 03-15-2026, 01:03 PM   #4
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Try this. Park on something flat and open the door as far as it opens. Basically use it as a lever and rock the car left and right by pushing down on the door and lifting it. If you hear it rattling then you're hearing something in the sway bar assembly. Bushings or links.
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Old 03-15-2026, 02:17 PM   #5
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Quote:
Originally Posted by bishopts View Post
Try this. Park on something flat and open the door as far as it opens. Basically use it as a lever and rock the car left and right by pushing down on the door and lifting it. If you hear it rattling then you're hearing something in the sway bar assembly. Bushings or links.
I will try it, I rode in the back with all the panel gutted out, sounds like it’s from the quarter panel but there’s nothing there 🥲
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Old 03-15-2026, 04:46 PM   #6
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Quote:
Originally Posted by bishopts View Post
Try this. Park on something flat and open the door as far as it opens. Basically use it as a lever and rock the car left and right by pushing down on the door and lifting it. If you hear it rattling then you're hearing something in the sway bar assembly. Bushings or links.
I jacked the car up and shake the hell outta the rear sway bar, it’s super stable. ��
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Kooks 1-7/8'' LTH with high flow cats, Corsa Catback Exhaust, Roto-Fab CAI, Ported LT2 IM, LT5 95mm TB, Lethal Garage Flex Fuel Sensor, Mishimoto catch can, AEM Wideband.
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Old 03-15-2026, 06:16 PM   #7
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Exhaust rattle, nothing rubbing on driveshaft.
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Old 03-15-2026, 06:39 PM   #8
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Originally Posted by wang970305 View Post
I jacked the car up and shake the hell outta the rear sway bar, it’s super stable. ��
You cant jack it up... if the wheels aren't on the ground then the sway bar isn't doing anything. Just try it in your driveway. Don't focus on what it is yet just focus on. Will it make the noise when i do this?. If it does , then go look into the sway bar
If it doesn't then try something else. Like kick an exhaust pipe and see if it knocks against the body.
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Old 03-15-2026, 09:56 PM   #9
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Quote:
Originally Posted by p47dman View Post
Exhaust rattle, nothing rubbing on driveshaft.
It’s not the exhaust, it only rattles when I drive over a bump or when the car shakes left and right
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Old 03-15-2026, 09:57 PM   #10
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Quote:
Originally Posted by bishopts View Post
You cant jack it up... if the wheels aren't on the ground then the sway bar isn't doing anything. Just try it in your driveway. Don't focus on what it is yet just focus on. Will it make the noise when i do this?. If it does , then go look into the sway bar
If it doesn't then try something else. Like kick an exhaust pipe and see if it knocks against the body.
I only jacked up th driver rear side, shakes the sway bar and exhaust when I was down there. I thought it’s a losing bolt or some
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Kooks 1-7/8'' LTH with high flow cats, Corsa Catback Exhaust, Roto-Fab CAI, Ported LT2 IM, LT5 95mm TB, Lethal Garage Flex Fuel Sensor, Mishimoto catch can, AEM Wideband.
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Old 03-16-2026, 08:55 AM   #11
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Quote:
Originally Posted by wang970305 View Post
I only jacked up th driver rear side, shakes the sway bar and exhaust when I was down there. I thought it’s a losing bolt or some
Yea you can't do that...

When you lift one side it completely binds the sway bar. So any rattle you're trying to find will be bound tight and won't rattle even if the bolts were loose.

When you're driving your sway bar is trying its hardest to keep your left and right wheels level. So if you lift the car on one side the wheel moves down from being unloaded. But since the opposite doesn't move down the bar forces itself against the downward movement in an attempt to push the wheel back up.

That's why i said PUT IT ON LEVEL GROUND.
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Old 03-16-2026, 02:59 PM   #12
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Check for loose stuff under foam insert in trunk ?
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