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buds



Member Since: 30 Aug 2010
Location: isle of wight
Posts: 15

long driving
hi all
im new to hear and quite new to my 2005 90xs about 4 months into it and cant think why i never brought 1 sooner instead of disco's and freelanders anyway my qestion is im starting to do alot of miles again and was wondering the best way to reduce engine noise etc a friend said i should try a diffrent transfer box so guys where should i strart ???
Post #43496 25th Oct 2010 6:20pm
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bm52



Member Since: 04 Apr 2010
Location: Kent
Posts: 2189

United Kingdom 2014 Defender 110 Puma 2.2 XS CSW Havana
Post #43497 25th Oct 2010 6:24pm
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stevie d



Member Since: 09 Nov 2009
Location: Bishops Stortford
Posts: 342

United Kingdom 2003 Defender 90 Td5 SW Alpine White
There will be plenty of threads about sound proofing a Defender on this and other sites.

When I first bought my TD5 about a year ago (55k on clock, 52 plate), I thought the gearing was very low and noisy. Big Cry

Since then I have put Difflock Oils in the gear boxes and diffs and put fully synthetic oil in the engine, the difference has been huge and the driving a lot more refined (for a Defener!!).

I rarely go over 70 except to overtake and all is fine.

If I wanted to bash away at 80 plus on the motorway (if that's possible in a Defender?) I would consider a lower geared transfer box, but I am not sure how well balanced the rest of the car is at that those sort of speeds, bearing in mind fat tyre, two propshafts, two gear boxes, two diffs etc. etc. Thumbs Up

Good Luck,

Steve Defender 90 TD5 Station Wagon
Discovery 3 HSE
BMW 330i Coupe
Post #43500 25th Oct 2010 6:37pm
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Sonic3d



Member Since: 28 Jan 2008
Location: Ross on Wye
Posts: 1505

United Kingdom 2010 Defender 110 Puma 2.4 XS DCPU Stornoway Grey
Could try an overdrive or a transfer box from a Discovery2 Thumbs Up
Post #43502 25th Oct 2010 6:43pm
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SiWhite



Member Since: 19 Jan 2010
Location: North Hampshire
Posts: 455

United Kingdom 2013 Defender 110 Puma 2.4 USW Stornoway Grey
A transfer box form a discovery will make a huge difference - I did mine last week and am really impressed with how much quieter it is. When you refit the floor and transmission tunnel, use a LOT of silicone to seal all the panels in place and fill every possible air gap - again this helps. My blog - www.anacreinhampshire.blogspot.co.uk

110 TD5 BuildHERE - sold!
110 Tdci Build HERE - sold!
Passat Alltrack - 4x4, auto, 45mpg, gloriously comfortable - but not a Defender!
Post #43505 25th Oct 2010 7:02pm
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Nidge



Member Since: 27 Jan 2008
Location: Kildare Ireland
Posts: 817

Ireland 2009 Defender 110 Puma 2.4 HCPU Cairns Blue
Disco Transfer box in my TD5 110, makes hugh difference to noise levels. especially motorway driving - I would recommend power upgrade as well, as she pulls better with the taller gear.

N.
Post #43527 26th Oct 2010 7:44am
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8021

 2011 Defender 110 Puma 2.4 USW Stornoway Grey
1.2 T box with Q gears, or gears from Dave A, or an overdrive. the latter you can select when you want it which means if you do alot of heavy towing or live in a hilly area it may be better suited. OD will also give a better rpm reduction and can be used as a splitter gear. they are quite expensive though.

i fitted an OD to my td5 when i faced the same decisions, mainly due to the amount of towing i do i wanted to maintain the std gearing. Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #43532 26th Oct 2010 8:01am
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K9F



Member Since: 12 Nov 2009
Location: Bournemouth
Posts: 9610

United Kingdom 2008 Defender 90 Puma 2.4 XS CSW Stornoway Grey
Hi Buds, welcome to the site! Thumbs Up

Off Topic Do you know JMS he comes from your neck o' the woods? I can see your place from the shoreline of mine! Laughing

Back on topic....I remember a thread about 'Noise Killer' there are some good recommendations on it....Sonic stated "It makes a huge difference!"

It will undoubtedly be a hell of a lot cheaper than the other engineering solutions suggested and may get you the level of noise reduction you desire without spannering, getting your mits dirty or emptying your wallet!!

Suppose it depends on how deep your pockets are and/or how drastic your initial course of action is going to be!

Ears the linky fingy anyway....

http://www.defender2.net/forum/topic2533.h...ise+killer If you go through life with your head in the sand....all people will see is an ar5e!!

Treat every day as if it is your last....one day you will be right!!
Post #43533 26th Oct 2010 8:35am
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5690

2006 Defender 110 Td5 USW Zermatt Silver
Noise killer mats are good and if you buy extra material from them, there is plenty of extra areas to be covered that help.

The change of transfer box has helped a lot, but I would not do the swop unless you have a remap done.

On that note I was stunned at how the remap made driving much much quieter.

If you do go for a transfer box change, I would be cautious who you buy it from at the mo, as there apears to be some quality problems with a well know company Big Cry Big Cry

PM me if you want any fyrther info

Andy
Post #43572 26th Oct 2010 4:44pm
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chiefstoker



Member Since: 11 Oct 2010
Location: Weston-super-Mud
Posts: 897

England 2005 Defender 90 Td5 HT Zambezi Silver
Sonic3d wrote:
Could try an overdrive or a transfer box from a Discovery2 Thumbs Up


I have read a bit on the net about overdrives, but they dont seem to be readily available - unless i'm not looking in the right places Laughing any more info on these?

stoker
Post #43735 28th Oct 2010 6:11am
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110ross



Member Since: 30 Oct 2010
Location: South West
Posts: 33

United Kingdom 2001 Defender 110 Td5 CSW Chawton White
Hi All.

I've been reading this thread with interest and thought i would add my two penneth.

I've got a 2001 110 CSW that was standard with 71k on the clock.
After driving 'normal' cars it seemed really low geared and noisy at first, and had a vibration problem above about 2500rpm.
At first I added a rubber sound proof mat to the load area which helped a bit.
Then I had the main and transfer boxes reconditioned and Disco 2 1.22 gearing put in the transfer box. At the same time the clutch and flywheel were replaced and the difference was huge.
Gearboxes and clutch work carried out by a company called Gearchange in Somerset - very highly recommended!
It was then that i bought the caravan and towing with the 1.22 transfer box was ok, but slow slow slow.
So i went for a TD5 Alive stage 2 kit (custom remap, silicon hoses, EGR removal, bigger intercooler and boost box) and the difference there was immense. Towing now no problem, but pulling away on steeper hills might need low range.
The last thing i have done is add Exmoor trim sound proofing mats in the front and middle row and the truck is now quiet and smooth ...... for a Defender.

Ross.
Post #44186 2nd Nov 2010 8:01pm
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RED-DOT



Member Since: 29 Jun 2009
Location: stirling
Posts: 2363

Scotland 
I have an "Actech" accoustic blanket that sits on top of the engine. It is lead lined and deflects 30+% of TD5 engine noise downwards. I coupled it with their under mat stick on barriers too and it did what is says on the tin... For Sale if you want to uplift? 2008 RS4 gone, 123d M Sport, and a Puma 90 XS..
Post #44206 2nd Nov 2010 10:47pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8021

 2011 Defender 110 Puma 2.4 USW Stornoway Grey
the acoustic matting that Exmoor trim sell is very good, ideal in a td5/tdi, bloody heavy mind! Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #44269 3rd Nov 2010 8:49pm
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alanhid



Member Since: 24 Jan 2010
Location: South Lanarkshire Scotland
Posts: 221

Scotland 2006 Defender 90 Td5 XS CSW Bonatti Grey
Earplugs................ Laughing Life is not a rehearsal!
Def 90td5 CSW xs 2006
Post #44403 5th Nov 2010 3:33pm
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ibexman



Member Since: 13 Dec 2008
Location: Essex
Posts: 2945

United Kingdom 
landy andy wrote:
Noise killer mats are good and if you buy extra material from them, there is plenty of extra areas to be covered that help.

The change of transfer box has helped a lot, but I would not do the swop unless you have a remap done.

On that note I was stunned at how the remap made driving much much quieter.

If you do go for a transfer box change, I would be cautious who you buy it from at the mo, as there apears to be some quality problems with a well know company Big Cry Big Cry

PM me if you want any fyrther info

Andy
Who would that be then?????
Post #44412 5th Nov 2010 5:27pm
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