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Piggle



Member Since: 24 May 2015
Location: Surrey
Posts: 75

2003 Defender 90 2.5 TD XS CSW Bonatti Grey
transfer box whine in reverse
Hi all

When reversing in low range, get a very distinct whine from what I think is the transfer box. Does not whine in forward gears, and no whine when in high range.

Vehicle is a TD5 03 plate.

Any thoughts much appreciated.
Post #689218 27th Feb 2018 9:37am
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roel



Member Since: 08 Aug 2009
Location: Lelystad
Posts: 2039

Netherlands 2003 Defender 90 Td5 PU Caledonian Blue
Could it be the clutch? Mine does the same sometimes and I am preety sure it is the clutch. Roel

1984 90 2.5 na Diesel - RR V8 (1994-2001)
1997 Camel Trophy Discovery 300TDI (2001-2009)
2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts.
2003 90 Td5 (2009-now)
Post #689220 27th Feb 2018 9:45am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 16812

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Why would a clutch whine in one direction and not the other (assuming that you're not slipping it, of course)?

More likely to be a gear-train somewhere, but I would have thought the reverse idler gear in the main box was a more likely candidate.

Unless it is a really bad whine I wouldn't worry about it, most vehicles make some gear noise going backwards.
Post #689234 27th Feb 2018 10:02am
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roel



Member Since: 08 Aug 2009
Location: Lelystad
Posts: 2039

Netherlands 2003 Defender 90 Td5 PU Caledonian Blue
Mine makes noise while slipping the clutch but only in reverse not when going forward. I don't understand it either but it happens. When it is not slipping anymore the noise is gone. Roel

1984 90 2.5 na Diesel - RR V8 (1994-2001)
1997 Camel Trophy Discovery 300TDI (2001-2009)
2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts.
2003 90 Td5 (2009-now)
Post #689290 27th Feb 2018 2:01pm
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Mo Murphy



Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2062

United Kingdom 1984 Defender 90 200 Tdi HT Pennine Grey
Reverse gear has straight cut teeth which are noisy.
Mo The Land Rover 90 - Many are called, few are chosen.
Post #689299 27th Feb 2018 2:23pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 16812

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
roel wrote:
Mine makes noise while slipping the clutch but only in reverse not when going forward. I don't understand it either but it happens. When it is not slipping anymore the noise is gone.


That is extremely weird and defies logical explanation!
Post #689301 27th Feb 2018 2:28pm
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geobloke



Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4350

United Kingdom 
Mo Murphy wrote:
Reverse gear has straight cut teeth which are noisy.
Mo


Agree with Mo on this one. I also note that since having the Ashcroft HD bearings fitted to my transfer box there is generally more bearing noise than with the standard bearings.
Post #689313 27th Feb 2018 2:58pm
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Piggle



Member Since: 24 May 2015
Location: Surrey
Posts: 75

2003 Defender 90 2.5 TD XS CSW Bonatti Grey
Thanks all for thoughts. Will not panic for now and get it checked in service next month.
Post #689627 28th Feb 2018 3:19pm
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miker



Member Since: 13 Sep 2015
Location: Surrey
Posts: 1758

United Kingdom 1999 Defender 110 Td5 CSW Rioja Red
My transfer box whines in every forward gear above about 30! Has done for the last 30k and hasn't gotten any worse, so I elect to pretend it's fine!
Post #695605 23rd Mar 2018 8:35am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 16812

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
^^^ My Disco 2 has now started doing this, after 200,000 miles or so. Under power or under engine braking it makes a sound reminiscent of an underground train or a milk-float accelerating. Under conditions of very light power it is quiet. This pitch of the sound is speed related.

I can't decide if it is the transfer box or the main box, but, since I have a spare transfer box, I think it is more likely to be the main gearbox!

I have found that turning up the music is the best solution for now.
Post #695650 23rd Mar 2018 11:27am
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miker



Member Since: 13 Sep 2015
Location: Surrey
Posts: 1758

United Kingdom 1999 Defender 110 Td5 CSW Rioja Red
Yeah similar scenario, original Transfer, and done around 205k. Gearbox was changed out 20k ago and this noise remained!

Although mine is compounded by what feels like an excessive amount of backlash under light loads/downhills on motorways. I know it's not the rear drive flanges, but I haven't figured out what it is...
Post #695659 23rd Mar 2018 11:45am
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lightning



Member Since: 23 Apr 2009
Location: High Peak, Derbyshire
Posts: 2159

United Kingdom 
Change the oil in the gearbox and transfer box.
Post #695785 23rd Mar 2018 10:33pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 16812

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
In my case changing the oil made absolutely no difference, but it was reassuring that the correct amount of very clean oil with no metal debris came out of both the main and transfer gearboxes.
Post #695788 23rd Mar 2018 10:45pm
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Mash



Member Since: 09 Feb 2015
Location: Guernsey
Posts: 1674

Guernsey 1998 Defender 90 300 Tdi HT Nato Green
Have you tried the play in the tbox output shaft? I get a few noises as mine is worn and has a small amount of play. 90 wolf - Jasmin http://www.defender2.net/forum/topic39408.html
90 V8 - Maggie http://www.defender2.net/forum/topic42564.html
110 TD5 - Buggsy http://www.defender2.net/forum/topic59029.html
52HG25 lightweight https://www.defender2.net/forum/topic72342.html
D3 Hse - Fiona
Capri 2l S - Anna

Think I might have a problem............
Post #695823 24th Mar 2018 7:18am
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