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Manual gearbox rebuild
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Grumpee1
 


Member Since: 09 Mar 2013
Location: Dorset
Posts: 63

United Kingdom 2006 Discovery 3 TDV6 S Manual Java BlackDiscovery 3
Manual gearbox rebuild

Last week I started to notice my box was whining a bit more than usual (it's whined a bit since I've had it) and the first couple of changes from first to second and second to third were crunching slightly after which it was Ok.
Over the weekend I got some gearbox oil and went to change it only to find there was barely enough in it to cover the bottom of a 2litre jug.
I have no idea how the box wasn't Censored but, after giving it a flush through with a shell mtf and then refilling with genuine oil it sounds better however third gear syncro is very weak.
I am the second owner the first buying it from new; it has full main dealer history and has done145000 miles.

Although it is still working it won't get any better does anybody know if the parts are available to rebuild it?

Thanks

Rich
  
Post #114816525th Aug 2013 10:00 pm
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snailcove
 


Member Since: 21 Nov 2010
Location: Aberdeenshire
Posts: 460

Scotland 2005 Discovery 3 TDV6 S Manual Java BlackDiscovery 3

i'm no help to you but you could try some of the gearbox specialists in the landrover mag's and keep us up to date on how you get on Thumbs Up (maybe some pars out of a defender or d2 are the same)
  
Post #114840626th Aug 2013 8:44 pm
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NJSS
 


Member Since: 06 May 2009
Location: Catherington, Hampshire.
Posts: 10492

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

Isn't the gearbox (ZF S6-53) also used in many large engined BMW's, 545i, M3, M5, X5 etc. you might find a good s/h or rebuilt one somewhere.

Here's the ZF page for parts - suggest you try sponsors Advanced factors who may be able to help.

http://www.zf.com/corporate/en/products/sp...ssions.jsp

This might also help:-

http://disco3club.co.uk/gallery/albums/use..._03_02.pdf

Good luck.

Please let us know how you get on.

NJSS
 Am I Gammon or Woke ? - I neither know nor care.

2016 Discovery 4 Landmark
2011 Mercedes Benz SL350 (R230)
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 or H2 fuel cell - yet.
There are 10 types of people in this world: Those who understand binary, and those who don’t. 
 
Post #114840826th Aug 2013 8:56 pm
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anglefire
 


Member Since: 09 Mar 2010
Location: In the Club House
Posts: 4180

England 

Bristol Transmissions will almost certainly be able to rebuild it. Thumbs Up
 Mark.
2006, D3 SE Auto - gone but not forgotten.
2014 BMW 530d M Sport Tourer.
1977 Triumph Spitfire 1500

_________________________________________________
Disco Picture Website Here 
 
Post #114840926th Aug 2013 9:07 pm
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Kingmav66
 


Member Since: 20 Jul 2010
Location: Gloucestershire
Posts: 1349

England 2006 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

A friend has just put a recon box in his manual D3, it cost £1200 just for the transmission. So the parts must be available out there Thumbs Up
  
Post #114841126th Aug 2013 9:09 pm
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Grumpee1
 


Member Since: 09 Mar 2013
Location: Dorset
Posts: 63

United Kingdom 2006 Discovery 3 TDV6 S Manual Java BlackDiscovery 3

Thanks for the replies I will try and get hold of ZF hopefully they will either supply the parts or point me in the direction of someone who can.
At the moment as long as I'm careful the gearchange is Ok so I'll live with it while I save some cash, I will probably change the clutch and flywheel while I'm at it.
I'll ring around the breakers tomorrow to get some prices as well.

As soon as I have any answers I'll post them but I would urge anybody with a high mileage manual who doesn't know when their gearbox oil was changed to do it as soon as possible it could be the best £30 they'll spend this year
  
Post #114845926th Aug 2013 10:45 pm
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anglefire
 


Member Since: 09 Mar 2010
Location: In the Club House
Posts: 4180

England 

http://www.bristoltransmissions.co.uk/shop...product=28

Not £1200 either - but from what I've seen they do a proper job - not that I'm suggesting the £1200 one wasn't done properly. Thumbs Up
 Mark.
2006, D3 SE Auto - gone but not forgotten.
2014 BMW 530d M Sport Tourer.
1977 Triumph Spitfire 1500

_________________________________________________
Disco Picture Website Here 
 
Post #114846426th Aug 2013 11:13 pm
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Bobs
 


Member Since: 29 Oct 2013
Location: Manchester
Posts: 2330

England 2005 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3
any more info

Bristol transmissions appear really good ......

They have info that says they will strip and replace parts if they feel its cheaper option ....

Think my long term plan for the oil leak in mine is to go for a trip down to Bristol from Manchester !! Rolling Eyes
  
Post #119105021st Nov 2013 9:19 pm
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NJSS
 


Member Since: 06 May 2009
Location: Catherington, Hampshire.
Posts: 10492

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

Grumpee1

Please update us on the outcome....

NJSS
 Am I Gammon or Woke ? - I neither know nor care.

2016 Discovery 4 Landmark
2011 Mercedes Benz SL350 (R230)
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 or H2 fuel cell - yet.
There are 10 types of people in this world: Those who understand binary, and those who don’t. 
 
Post #119106121st Nov 2013 9:48 pm
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Grumpee1
 


Member Since: 09 Mar 2013
Location: Dorset
Posts: 63

United Kingdom 2006 Discovery 3 TDV6 S Manual Java BlackDiscovery 3

Will do but I am going to leave it for a while.
It's not getting any worst so I am going to get enough cash together to fix or replace the box along with a clutch and flywheel and then decide whether to do it

Rich
  
Post #119112321st Nov 2013 11:16 pm
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Bobs
 


Member Since: 29 Oct 2013
Location: Manchester
Posts: 2330

England 2005 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3

I live in Manchester so just passing on information following search after search ..... The site says .....

'We are able to rebuild any type of transmission in house. This enables us to offer a very flexible service. Not every manual transmission requires a full rebuild; we are able to replace bearings only if the transmission is noisy, replace synchro rings if the transmission has poor gear selection. This service reduces the costs to up to 50% compared with a remanufactured transmission. All units are rebuilt using top quality parts such as Timken/NTN bearings, genuine synchro rings and forks.'

Maybe worth a call .... I am calling tomoro to know how much I need to save up Big Cry
  
Post #119113321st Nov 2013 11:35 pm
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