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Rattling by seatbelt

don_king

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Have a TRD Pro whenever my music is loud, there’s something rattling or buzzing from the bass That is driving me crazy by the seatbelt. Does anyone else have this problem and know how to fix it!?
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Archer

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Thought I had that issue this morning, turned out I had a couple of lose items in the bottom bottle tray area vibrating between themselves.

Mine sounded like the speaker was cracked. Had a "What the **** moment"...lol



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Undisputed_0369

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Yeah i have the same rattle sounds like it could be down by the speaker but other times it seems like it’s coming from the seat belt area.
 

FoozGrind

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I have it and handful of others have it. It’s coming from the drivers side seatbelt adjustment thing. If you play certain songs there is some kind of vibration and you can hear it up near your head. It’s not coming from the door speaker. Go play a song like DJ Khaled I am the One and you can replicate it. Gonna mention it on my 5k. I got that, brake noise and my rear spoiler doesn’t stay snap shut on one side well it kind of does but I can separate it easy.
 

JR1

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I have it and handful of others have it. It’s coming from the drivers side seatbelt adjustment thing. If you play certain songs there is some kind of vibration and you can hear it up near your head. It’s not coming from the door speaker. Go play a song like DJ Khaled I am the One and you can replicate it. Gonna mention it on my 5k. I got that, brake noise and my rear spoiler doesn’t stay snap shut on one side well it kind of does but I can separate it easy.
Tell me more about the spoiler?
 

FoozGrind

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Tell me more about the spoiler?
So on mine if your standing in the back looking at it and look at the center light and then you can see that the spoiler has like a top and bottom snapped together so on mine on the left of the light I can pop it apart like the first 2 clips to the left of the light and I can snap it back down but it won’t stay nice and locked together like the right side. I only noticed it cause someone else in the forum brought up theirs which was separating way worse so I went to look mine.
 

zgreen

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I have it and handful of others have it. It’s coming from the drivers side seatbelt adjustment thing. If you play certain songs there is some kind of vibration and you can hear it up near your head. It’s not coming from the door speaker. Go play a song like DJ Khaled I am the One and you can replicate it. Gonna mention it on my 5k. I got that, brake noise and my rear spoiler doesn’t stay snap shut on one side well it kind of does but I can separate it easy.
Same here re: the buzzing.
 

onateacd

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Yup. Same rattle. I can replicate it by slightly pound on plastic near window. It’s annoying to say the least.
 

onateacd

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Ok. Did some more testing. The rattle is right below the window for me. If I bang the door in that area I hear it. When I open the door and do the same it’s coming from inside. I don’t hear it if window is down. Maybe a window mechanism? Attached an image.
2025 Toyota 4runner Rattling by seatbelt IMG_0905
 

FoozGrind

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Ok. Did some more testing. The rattle is right below the window for me. If I bang the door in that area I hear it. When I open the door and do the same it’s coming from inside. I don’t hear it if window is down. Maybe a window mechanism? Attached an image.
IMG_0905.jpeg
Are you sure it is not coming from around the seat belt shoulder height adjustment? I feel like that is where mine is coming from
 

onateacd

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Are you sure it is not coming from around the seat belt shoulder height adjustment? I feel like that is where mine is coming from
Positive. I opened the door and still hear the rattle. It’s right at the corner underneath window. Some mechanism is loose. Maybe something to do with window hardware.
 

FoozGrind

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Positive. I opened the door and still hear the rattle. It’s right at the corner underneath window. Some mechanism is loose. Maybe something to do with window hardware.
Dam well at least we can reproduce it!
 

calvinjamespo

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Ok. Did some more testing. The rattle is right below the window for me. If I bang the door in that area I hear it. When I open the door and do the same it’s coming from inside. I don’t hear it if window is down. Maybe a window mechanism? Attached an image.
IMG_0905.jpeg
I’m facing the same issue. Since multiple owners are experiencing the same problem, I wonder if there’s a recall for this issue.
 

jrenzag

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For me, it's definitely not the seatbelt. It is behind the door panel near the elbow rest. Rattle occurs at certain bass frequencies in same location on both front doors. There is another thread discussing it and someone posted pics with the passenger side door panel off. I've attached one here. Using those pics, I think it's very possible that the rattle culprit may be coming from the wires I've circled in the pic below. That foam around the wire is OEM but seems like it doesn't cover enough of the wire. Total guess as I've not proven this theory whatsoever.

2025 Toyota 4runner Rattling by seatbelt 20250713_160835


2025 Toyota 4runner Rattling by seatbelt Screenshot_20250713-232636
 

onateacd

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Yup. That's the area for me too. My dealer couldn't replicate it. Annoying.
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