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[Wanted] Series 3 gearbox in very good condition
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orkneydave
 


Member Since: 27 Aug 2012
Location: Orkney Islands
Posts: 579

United Kingdom 2005 Discovery 3 TDV6 S Manual Tonga GreenDiscovery 3
[Wanted] Series 3 gearbox in very good condition

Looking for a very good condition or reconditioned gearbox for Alfred the 109.

Long story short, the original gearbox went bang (I suspect a broken pinion, but second was also jumping out and the syncro worn). I had a spare gearbox that my son liberated from a scrap S3 which I have fitted, only to find that it is extremely noisy in all but 4th (possibly layshaft bearing?). I'm mobile for the moment but realise that the replacement is a ticking time bomb. I was planning to order a rebuild kit and rebuild the original but before I do thought I'd see if anyone was willing to part with one.

I'll also update alfred's thread in the next couple of days.

Thanks in advance.

Dave
 Dave Neil
2018 Outlander PHEV
2005 Discovery 3 TDV6 S (went up in flames)
1972 Series 3 109 200tdi (@alfredthe109)
1972 MGB GT (in bits) 
 
Post #200236120th Nov 2018 3:58 pm
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NJSS
 


Member Since: 06 May 2009
Location: Catherington, Hampshire.
Posts: 7044

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Waitomo GreyDiscovery 4

A brilliant improvement is to fit a Rover 5 speed LT77 or R380 gearbox. This gives a stronger gearbox, synchromesh on all forward gears and an overdrive 5th.

Ashcroft Transmissions do a conversion kit:-

https://www.ashcroft-transmissions.co.uk/t...-kits.html

NJSS
 2016 Discovery 4 Landmark
1973 MG B GT V8 - 3.9L John Eales engine, 5 speed R380 gearbox, since 1975.
1959 MGA roadster - 1.9L Peter Burgess Engine - 5 speed gearbox
Past LRs - Multiple FFRs, Discos & a Series I - some petrol, some diesel,
none Electric yet.
There are 10 types of people in this world: Those who understand binary, and those who don’t. 
 
Post #200236720th Nov 2018 4:11 pm
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Gareth
Site Moderator 


Member Since: 07 Dec 2004
Location: Bramhall
Posts: 24463

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Lux Auto Fuji WhiteDiscovery 4

It’s not such a difficult job to rebuild the S3 box, I did one a few months ago. They are very prone to jumping out of gear, especially 1st / 2nd.

The synchro hub does wear out, but the cause of jumping out of gear on the one I did was the selector rods and ball/spring detents were worn.
  
Post #200237420th Nov 2018 5:05 pm
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