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mptzs90



Member Since: 24 May 2024
Location: Kent
Posts: 78
United Kingdom 2015 Defender 90 Puma 2.2 XS CSW Corris Grey
Rattle behind/under drivers seat
There’s a new annoying rattle which sounds almost like a stone hitting the rear wheel arch and I haven’t yet been able to track it down. The back appears clear, drivers seat box doesn’t look to have anything loose. I noticed what looks like a cover under the drivers seat box (under the car)- can stones get stuck behind that? If so… is this panel as easy to remove as it looks? Seems like just a few bolts.

My kids in the back insist the sound is coming from under my seat rather than from further back…

Seats recently removed and added back with no difference. Next might be to try removing bits of rear trim to see if something is loose!

Picture of the cover I’m talking about:


Click image to enlarge
Post #1057737 18th Jan 2025 1:05pm
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Oldowner



Member Since: 26 Dec 2018
Location: South west
Posts: 640
United Kingdom 2007 Defender 90 Puma 2.4 HT Aintree Green
Yes, stones can get stuck in the plastic under shield. It’s only held by the four bolts visible which screw into threaded inserts in the seatbox.
Post #1057801 19th Jan 2025 1:49am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17619
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Those plastic things were only fitted to XS models and can be discarded with any apparent detriment. They are probably intended to reduce noise but don't seem to make any difference.
Post #1057814 19th Jan 2025 8:44am
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20644
United Kingdom 
Take it off, spray some stone chip up under there, then a few days later some dinitrol.
Then if any stones do fly up it’d be largely protected and quieter anyway.
Very Happy TheThunder Rolls🇬🇧🇺🇸
⛽️🛢️⚙️🧰💪
Post #1057825 19th Jan 2025 10:31am
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mptzs90



Member Since: 24 May 2024
Location: Kent
Posts: 78
United Kingdom 2015 Defender 90 Puma 2.2 XS CSW Corris Grey
Thanks! Took it off and nothing there but I’ll do the stone chip anyway. Search continues!
Post #1057837 19th Jan 2025 11:41am
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5820
2006 Defender 110 Td5 USW Zermatt Silver
Isn’t there a heat shield just in front of drivers pedals on the TDCi that can rattle from memory???
Post #1057839 19th Jan 2025 11:48am
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mptzs90



Member Since: 24 May 2024
Location: Kent
Posts: 78
United Kingdom 2015 Defender 90 Puma 2.2 XS CSW Corris Grey
Sounds like dinitrol protection and then a bit of this https://www.dinitroldirect.com/product/dinitrol-447
Post #1057840 19th Jan 2025 11:48am
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mptzs90



Member Since: 24 May 2024
Location: Kent
Posts: 78
United Kingdom 2015 Defender 90 Puma 2.2 XS CSW Corris Grey
landy andy wrote:
Isn’t there a heat shield just in front of drivers pedals on the TDCi that can rattle from memory???


I’ll take a look this afternoon. Pretty sure noise is behind me.. but worth a look. I’d guess rear arches but they seem totally clear.
Post #1057841 19th Jan 2025 11:50am
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20644
United Kingdom 
Turbo heat sheild TheThunder Rolls🇬🇧🇺🇸
⛽️🛢️⚙️🧰💪
Post #1057862 19th Jan 2025 4:07pm
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Dinnu



Member Since: 24 Dec 2019
Location: Lija
Posts: 3487
Malta 2012 Defender 90 Puma 2.2 CSW Santorini Black
Did you look under the seat, in the fuse box area for something loose?

Not sure if you like to slam doors, but there is a plate, extremely thin material behind the door striker, that should give some rigidity in the area. That fatigues and cracks over time. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black
Post #1057864 19th Jan 2025 4:48pm
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mptzs90



Member Since: 24 May 2024
Location: Kent
Posts: 78
United Kingdom 2015 Defender 90 Puma 2.2 XS CSW Corris Grey
Yes I’ve been through the seat box and didn’t find anything loose. I’ll take a look at the striker tomorrows. Could definitely be something in the pillar behind me too…
Post #1057868 19th Jan 2025 5:07pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20644
United Kingdom 
Rear door is a favourite as well. TheThunder Rolls🇬🇧🇺🇸
⛽️🛢️⚙️🧰💪
Post #1057876 19th Jan 2025 5:56pm
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mptzs90



Member Since: 24 May 2024
Location: Kent
Posts: 78
United Kingdom 2015 Defender 90 Puma 2.2 XS CSW Corris Grey
Took that apart and sound deadened it post rattle (sounds much better when closing) and I’m pretty sure it’s forward of that anyway
Post #1057894 19th Jan 2025 6:53pm
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mptzs90



Member Since: 24 May 2024
Location: Kent
Posts: 78
United Kingdom 2015 Defender 90 Puma 2.2 XS CSW Corris Grey
Plate behind door striker also fine. Went out again this evening and it’s definitely further back. I think next step is to check all the rear folding seat bolts and maybe remove the seats and see if I still get it… then onto behind the trim
Post #1057926 19th Jan 2025 10:44pm
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mptzs90



Member Since: 24 May 2024
Location: Kent
Posts: 78
United Kingdom 2015 Defender 90 Puma 2.2 XS CSW Corris Grey
Sorry for amateur hour question… but what’s this? In the rear wheel arch. If I knock it, it rattles and reverberates. Looks like a bit of foam inside it should stop that … assuming that’s not an awful idea.



Click image to enlarge
Post #1057978 20th Jan 2025 1:31pm
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