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MIC Model 3 Rear Seat Rattle Fix

mikehj

Member
Jun 26, 2019
39
37
Edinburgh, UK
Just thought I'd share a fix I've found for a fault that has been annoying me and a friend on our China built Model 3's delivered in March 2021 as it's taken me weeks of trial and error. My car with the white interior was worse but either that's the white seats being different, bad luck or the fact mine has done almost 5000 miles whereas my friends has less than 1000 miles. My car has been in the Edinburgh service centre 4 times for various issues and every time I mentioned this rather annoying constant rubbing sound from the back seats whenever the car went over even the slightest bump. I made videos, took recordings and explained it in detail but it didn't help. They took the parcel shelf out, rear door cards and various other things but the noise remained. I decided to give up on them and spent some time trying to find the source of this noise myself and after a lot of trial and error I found it! The issue is because the rear seat backs are latched in the centre/inner edge yet sit right against the outer bolsters on the outer edge without a latch and thus move slightly whenever the car goes over a bump or uneven surface. As the China made cars have a slightly rougher type of fabric on the side of the seats it creates a rubbing sound against the synthetic leather on the side bolster.

For the fix; I initially tried wedging folded microfibre clothes between the seat back and side bolster and this fixed the problem but was rather unsightly. For a more permanent fix I ordered a pack of 2 adhesive felt rolls on Amazon and stuck a piece along the length of the rear seat back and another where it meets the side bolster. The noise immediately vanished and the fix is invisible when the seats are folded up. My car is now as silent as my previous 2020 US built Model 3! The adhesive seems strong enough to hold it even when the seats are folded up/down but I was still able to remove the felt (at least for now) without it leaving any marks or damage. Photos below and link to the felt rolls: https://www.amazon.co.uk/gp/product/B089LR1PBS/

IMG_1117 (1).jpeg
IMG_1115 (1).jpeg


Hope this helps anybody that has the same issue. Now just need to get Tesla service to acknowledge the constant creak in my drivers seat as felt isn't going to fix that :p
 
Last edited:

Adopado

Active Member
Aug 19, 2019
3,792
2,901
Scotland
Just thought I'd share a fix I've found for a fault that has been annoying me and a friend on our China built Model 3's delivered in March 2021 as it's taken me weeks of trial and error. My car with the white interior was worse but either that's the white seats being different, bad luck or the fact mine has done almost 5000 miles whereas my friends has less than 1000 miles. My car has been in the Edinburgh service centre 4 times for various issues and every time I mentioned this rather annoying constant rubbing sound from the back seats whenever the car went over even the slightest bump. I made videos, took recordings and explained it in detail but it didn't help. They took the parcel shelf out, rear door cards and various other things but the noise remained. I decided to give up on them and spent some time trying to find the source of this noise myself and after a lot of trial and error I found it! The issue is because the rear seat backs are latched in the centre/inner edge yet sit right against the outer bolsters on the outer edge without a latch and thus move slightly whenever the car goes over a bump or uneven surface. As the China made cars have a slightly rougher type of fabric on the side of the seats it creates a rubbing sound against the synthetic leather on the side bolster.

For the fix; I initially tried wedging folded microfibre clothes between the seat back and side bolster and this fixed the problem but was rather unsightly. For a more permanent fix I ordered a pack of 2 adhesive felt rolls on Amazon and stuck a piece along the length of the rear seat back and another where it meets the side bolster. The noise immediately vanished and the fix is invisible when the seats are folded up. My car is now as silent as my previous 2020 US built Model 3! The adhesive seems strong enough to hold it even when the seats are folded up/down but I was still able to remove the felt (at least for now) without it leaving any marks or damage. Photos below and link to the felt rolls: https://www.amazon.co.uk/gp/product/B089LR1PBS/

View attachment 668969View attachment 668970

Hope this helps anybody that has the same issue. Now just need to get Tesla service to acknowledge the constant creak in my drivers seat as felt isn't going to fix that :p

Is the design of the back seat actually different between the Fremont and MIC cars or simply the different material? (If others have noticed this it might be worth treating the "leather" with 303 Protectant or similar ... if you happen to have it ... in that area to see if that provides a slight lubrication between the surfaces.)
 

mikehj

Member
Jun 26, 2019
39
37
Edinburgh, UK
Is the design of the back seat actually different between the Fremont and MIC cars or simply the different material? (If others have noticed this it might be worth treating the "leather" with 303 Protectant or similar ... if you happen to have it ... in that area to see if that provides a slight lubrication between the surfaces.)
Unfortunately I don't have the 2020 Fremont car anymore so can't compare but I did notice immediately in the MIC version the rear seat backs don't seem to latch as securely as the did in my previous M3. There were a few other subtle changes to the seats (black fabric instead of white on the sides of the white seats) and door trims (hard plastic instead of soft touch plus extended front door trims) so maybe this was also part of the package and it could of course also be the side bolsters which are different. Having said this I don't know if this is a MIC specific thing as the revised front door cards with the extended trim came first on the MIC cars we received in the UK and have since rolled out globally so all these changes maybe just came first to China and are now also on the latest Fremont cars.

Now I see a few suggested posts it appears others have this issue on Model Y's so it's probably a global thing. For example:

I did try a Gyeon protector I have sitting around but the noise persisted. My car seemed particularly bad though! The felt has a double purpose in that is also fills up the gap and makes the fit tighter thus limiting the movement so I think a "spacer" like this felt as the US user called it is the best solution.
 
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