 | Home > Td5 > transfer box whine in reverse |
 
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| roel Member Since: 08 Aug 2009 Location: Lelystad Posts: 2039   
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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) |
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27th Feb 2018 9:45am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17371  
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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. |
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27th Feb 2018 10:02am |
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| roel Member Since: 08 Aug 2009 Location: Lelystad Posts: 2039
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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) |
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27th Feb 2018 2:01pm |
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| Mo Murphy Member Since: 01 Jun 2008 Location: Letchworth Garden City, Herts Posts: 2227 
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Reverse gear has straight cut teeth which are noisy.
Mo The Land Rover 90 - Many are called, few are chosen. 50 Shades of Pennine Grey |
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27th Feb 2018 2:23pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17371
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That is extremely weird and defies logical explanation! |
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27th Feb 2018 2:28pm |
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| geobloke Member Since: 06 Nov 2012 Location: Nottinghamshire Posts: 4410
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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. |
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27th Feb 2018 2:58pm |
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| Piggle Member Since: 24 May 2015 Location: Surrey Posts: 78 
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Thanks all for thoughts. Will not panic for now and get it checked in service next month.
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28th Feb 2018 3:19pm |
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| miker Member Since: 13 Sep 2015 Location: Surrey Posts: 1763 
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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!
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23rd Mar 2018 8:35am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17371
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^^^ 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. |
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23rd Mar 2018 11:27am |
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| miker Member Since: 13 Sep 2015 Location: Surrey Posts: 1763
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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... |
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23rd Mar 2018 11:45am |
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| lightning Member Since: 23 Apr 2009 Location: High Peak, Derbyshire Posts: 2756
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Change the oil in the gearbox and transfer box.
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23rd Mar 2018 10:33pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17371
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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.
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23rd Mar 2018 10:45pm |
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| Mash Member Since: 09 Feb 2015 Location: Guernsey Posts: 1674  
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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............ |
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24th Mar 2018 7:18am |
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