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DIY transmission rebuild?
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swill89
 


Member Since: 15 Nov 2021
Location: Portskewett
Posts: 7

United Kingdom 2005 Discovery 3 TDV6 S Auto Unknown ColourDiscovery 3
DIY transmission rebuild?

Hi all, new to disco 3 ownership but not new to landrovers.

I was wondering, has anyone rebuilt their own auto gearboxes? If so, how difficult are they?

I have a 2005 6 speed auto in a TDV6.

The 3k bill is putting me off slightly.

Cheers
  
Post #226239115th Nov 2021 9:35 pm
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Sea Raider
 


Member Since: 01 Nov 2016
Location: None
Posts: 4450


buy a 2nd hand one



Welcome
  
Post #226239715th Nov 2021 9:45 pm
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swill89
 


Member Since: 15 Nov 2021
Location: Portskewett
Posts: 7

United Kingdom 2005 Discovery 3 TDV6 S Auto Unknown ColourDiscovery 3

That would probably be the most sensible option, I just wouldn't know the history of a second hand unit.

I was contemplating buying a second hand and rebuilding. Then just swapping it out.
  
Post #226240115th Nov 2021 9:57 pm
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Sea Raider
 


Member Since: 01 Nov 2016
Location: None
Posts: 4450


Dont know why my link didnt post

https://www.gentlemenofsalvage.co.uk/pages...+3+gearbox
  
Post #226241015th Nov 2021 10:09 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10594

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Dont blame you not trusting a second hand one.

I’m usually keen with 2nd hand parts
  
Post #226241615th Nov 2021 10:27 pm
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swill89
 


Member Since: 15 Nov 2021
Location: Portskewett
Posts: 7

United Kingdom 2005 Discovery 3 TDV6 S Auto Unknown ColourDiscovery 3

Cheers for the link sea raider.
  
Post #226241915th Nov 2021 10:31 pm
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Sea Raider
 


Member Since: 01 Nov 2016
Location: None
Posts: 4450


No worries I've bought stuff from GOS in the past and they have been good to deal with
  
Post #226242115th Nov 2021 10:33 pm
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motorworks
 


Member Since: 14 Nov 2019
Location: Usk
Posts: 412

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

I have just pulled apart and reassembled a 6hp26 auto box. The common fault seems to be worn bushings, which are readily available and not difficult to fit. How much practice I need to end up with a fully functional gearbox, remains to be seen.

If you need to go further, with new solenoids, clutch plates, valve block testing the parts cost will increase significantly.

I would have confidence in a used unit from GOS, just swap mechatronic unit with the one from your gearbox, or recode replacement using IID service.
 Chris  
Post #226242615th Nov 2021 11:07 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10594

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

What about cracked clutch drums ? Can you get them ?
  
Post #226244115th Nov 2021 11:54 pm
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swill89
 


Member Since: 15 Nov 2021
Location: Portskewett
Posts: 7

United Kingdom 2005 Discovery 3 TDV6 S Auto Unknown ColourDiscovery 3

motorworks wrote:
I have just pulled apart and reassembled a 6hp26 auto box. The common fault seems to be worn bushings, which are readily available and not difficult to fit. How much practice I need to end up with a fully functional gearbox, remains to be seen.

If you need to go further, with new solenoids, clutch plates, valve block testing the parts cost will increase significantly.

I would have confidence in a used unit from GOS, just swap mechatronic unit with the one from your gearbox, or recode replacement using IID service.



Thanks for the advice, as you are only in USK and I'm in portskewett... you can rebuild mine for me 😆.

I'm thinking general consensus is go second hand and risk it.
  
Post #226247516th Nov 2021 7:22 am
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13914

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Hi

Hope this is useful, but this company are ZF agents for parts , if u register u can access there catalogue for part number etc , used them when I needed parts for my old freelander and found them very helpful

https://www.sussexautos.co.uk/home/

Hope u get it sorted out

Ps Also some other links I found which I hope is useful

http://zftranspart.com/images/custom/6HP26-28_Catalog.pdf

https://media.disco3.co.uk/gallery/albums/...umbers.pdf

http://www.thectsc.com/images/pdf/thectsc_...cement.pdf
   
Post #226248916th Nov 2021 7:57 am
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13914

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Just found another distributor in Bristol , apologises I don’t know anything about rebuilding gearboxes

Automatic Choice Ltd - United Kingdom & Ireland
Unit 1A Farrington Fields
Farrington Gurney
BS39 6UU Bristol
United Kingdom
T 0044 (0) 1761 452 255
E [email protected]
Opening Hours: Mon - Fri 08:30 - 17:00

https://www.automaticchoice.com/en-gb/about-us/our-locations

https://www.automaticchoice.com/en-gb/zf-6...-catalogue

Hope it helps
   
Post #226249216th Nov 2021 8:14 am
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swill89
 


Member Since: 15 Nov 2021
Location: Portskewett
Posts: 7

United Kingdom 2005 Discovery 3 TDV6 S Auto Unknown ColourDiscovery 3

Thank you for those links, they are very useful.

Would make for a good rebuild drawing.
  
Post #226249416th Nov 2021 8:22 am
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13914

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Ur so welcome and glad it helped , indeed ur right ref the drawings

Hope u get it resolved Thumbs Up
   
Post #226250516th Nov 2021 9:14 am
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motorworks
 


Member Since: 14 Nov 2019
Location: Usk
Posts: 412

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Well done Gary (again) Bow down

A thorough overhaul with guarantee, comes at a price. Justified on newer high value cars, with a defined fault, or for owners of older models hoping for many more years of use.

I am curious to find out how many parts are interchangeable, maybe offering scope for fitting a used clutch basket and similar items.

Also, being familiar with 6HP26 gearboxes would be a big head start trying to resolve problems where they are fitted to BMW, Jaguar and a few other brands.
 Chris  
Post #226256416th Nov 2021 3:40 pm
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