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Rattling coming from B pillar?

chanmanx2k

New Member
Mar 15, 2018
3
16
LA
Anyone experience some noise rattling from the B pillar somewhere? My audio system or subwoofer must be vibrating something loose in that area but I don't know where it is coming from
 

MMMGP

Member
May 23, 2019
24
34
Silicon Valley
Same here, my 2018 has the same b pillar buzzing which is very noticeable when driving on the highways. I've narrowed it down to the seat belt height adjuster on the b pillar. I'll add this to my next round of repairs for the mobile service folks.
 
  • Informative
Reactions: lUtriaNt

Lunares

Member
Jul 9, 2018
751
543
San Diego
When I went to service they said it was common and easily fixed. and would also cost me 2 hours labor since I was past the "rattle" warranty which is apparently only 1 year.
 

Skione65

Active Member
May 5, 2016
1,555
765
Kentucky
Just realized I’m a 2018 and don’t know if Mobile will retro mine according to a previous post but I’ll attempt it. Didnt realize they actually had a revised part for it. They’ve been just putting felt tape in there in an attempt to fix it from what I’ve read.

Ski
 

XLR82XS

D M C
Jul 26, 2019
3,148
1,803
SWFL | Vegas
@XLR82XS,

Did that fix the issue? No more buzzing/rattles?

Ski
No it did not fix the noise 100%. Clicking still present but very faint and you have to hold you ear against the B-pillar to hear it with silence in the cabin.
Beyond that there were a couple highway-speed noises pinpointed by a mobile tech today. Loose panel at the rear just behind the bumper. Tech installed foam in that area plus at the plastic underneath both rocker panels.
 

XLR82XS

D M C
Jul 26, 2019
3,148
1,803
SWFL | Vegas
*5/5/20 UPDATE* Car was at SC for axle clicking. B-pillar clicking/fluttering been getting progressively worse over the last couple months including rattle from the bottom of the panel over rough pavement ~40-50mph. It's now heard at lower speeds where before it was highway only (70+mph). SC telling me they can't hear anything and I'm fed up. The car literally has no other rattling issues. I plan to take it apart and use foam tape, etc... and see how that does. Very upsetting .......
 

StarHunter

Member
Mar 3, 2020
37
28
Sunnyvale, CA, USA
Folks, I have had a buzzing noise coming from driver side B-pillar (maybe passenger side as well now after 6k miles). Does not always happen and really depend on road surface and frequency that gets transferred from tire -> suspension -> frame -> trim?. I did some felt tape and applied some trim dressing 3 weeks ago and now the buzz is coming back...will try a more durable dressing this time. Will update back if I am successful on resolving the issue :)
 

XLR82XS

D M C
Jul 26, 2019
3,148
1,803
SWFL | Vegas
Would you be able to post a couple photos from your fix? Or at least of the area?

TIA!
liner.jpg
Not my car but same idea. I ran the foam tape up higher until the gap tightened about the height of where the camera/repeater is.
 

XLR82XS

D M C
Jul 26, 2019
3,148
1,803
SWFL | Vegas
I have some occasional buzzing also. It doesn't bother me.
That buzzing is most likely the seat-belt height adjuster - plastic on plastic slide. Both my 3 have never had that issue.
There could be buzzing from the pillar mounting tabs and the foam tape on those will certainly help remedy that.
 

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