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Martin 01



Member Since: 13 Feb 2012
Location: East Yorkshire
Posts: 502

Ashcroft 380 gearbox
Anyone had one of their gearboxes ?
Been told mine is on the way out.
Get a whirring sound when changing up from 3rd up to 4th & slightly worse when decelerating.
Car has done 230,000 miles & counting.
Thinking of new gearbox & clutch replacement at the same time.
Post #640478 29th Jul 2017 8:56am
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lightning



Member Since: 23 Apr 2009
Location: High Peak, Derbyshire
Posts: 2848

United Kingdom 
Have you tried changing the oil? It could go on for years like that.
Mine used to make what can only be described as a screaming noise at certain motorway speeds.
l changed the oil (the level was a bit low but not much) and it's never done it since, 30,000 miles ago
Post #640481 29th Jul 2017 9:22am
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windymiller



Member Since: 03 Oct 2013
Location: farnham
Posts: 223

United Kingdom 
worth a go with Active 8 as well brilliant stuff may give you a year or 2 more
Post #640505 29th Jul 2017 11:44am
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Martin 01



Member Since: 13 Feb 2012
Location: East Yorkshire
Posts: 502

I'll give it a try fellas, as that would be a cheap fix & see how it goes.
Thumbs Up
Post #640560 29th Jul 2017 5:30pm
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derbywill



Member Since: 25 Mar 2010
Location: Derbyshire
Posts: 559

England 2005 Defender 90 Td5 XS CSW Java Black
Sounds how mine went, it will last a few months but slowly get louder, I changed the oil as well but no difference as it is a bearing failing. A known R380 weak point.
I fitted a Ashcroft gearbox and I am happy with it, this was 18months ago.

Cheers

Will 2005 90 XS
1954 86'' Series 1 tilt
1968 88” 2A 200tdi
2002 110 Hardtop
Post #640641 30th Jul 2017 7:20am
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5852

United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
My box went from whiring to clunk. Dead.
Ashcrofts gerabox fitted. In hindsight I should have got the 5th gear cluster changed as well.

I also took the chance to get various parts of the box upgraded 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #640672 30th Jul 2017 9:30am
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Martin 01



Member Since: 13 Feb 2012
Location: East Yorkshire
Posts: 502

Thanks for all the info lads.
Obviously it's on its last legs so time treat it to a new box by the sounds of it.
New Ashcroft box & clutch it is.
Thumbs Up
Post #640777 30th Jul 2017 8:06pm
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Harry.O



Member Since: 25 Jul 2014
Location: Warwickshire
Posts: 716

United Kingdom 1989 Defender 90 300 Tdi ST Nato Green
My rear support bearing collapsed at the start of this year so had a new R380 from Ashcrofts which I'm very pleased with. Took the opportunity to upgrade to the v8 5th gear ratio and HD support bearing at the same time Thumbs Up
Post #640851 31st Jul 2017 8:03am
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