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DISCO3.CO.UK > Maintenance & Mods (D4)

Help with detachable towbar lock and key
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Steve B
 


Member Since: 04 Dec 2010
Location: Yorkshire
Posts: 263

England 2012 Discovery 4 3.0 TDV6 XS Auto Fuji WhiteDiscovery 4
Help with detachable towbar lock and key

I have a detachable towbar which was bought off eBay a few years ago and used on my D3 and is now used on my D4

The locking mechanism is not working properly and I only have one working key

I want to buy a new lock but from looking at Duckworths parts there appear to be two locks, one for chassis numbers pre 9A and one post 9A

As I have no idea which car this came from is there a way of telling the one I need from either the towbar or lock itself

If not I suppose I will have to make an educated guess. At least I have a 50/50 chance of getting it right

Thanks  
Post #17856051st Mar 2017 8:24 pm
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HughMartin
 


Member Since: 30 Mar 2008
Location: Aberdeenshire
Posts: 751

Scotland 2012 Discovery 4 3.0 SDV6 XS Auto Aintree GreenDiscovery 4

You need to take the green handle off and you will see the differences on the internal surfaces of the handle. If you took it into the parts dept of a LR franchise then they would provide the correct one.

There might be a previous thread describing the differences in more detail.  
Post #17856111st Mar 2017 8:29 pm
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Steve B
 


Member Since: 04 Dec 2010
Location: Yorkshire
Posts: 263

England 2012 Discovery 4 3.0 TDV6 XS Auto Fuji WhiteDiscovery 4

I have searched the site but can't see anything

Probably take a trip to the stealer  
Post #17856191st Mar 2017 8:37 pm
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RONCH
 


Member Since: 12 Feb 2015
Location: Oberwil via North Wales
Posts: 83

Switzerland 2012 Discovery 4 3.0 SDV6 HSE Lux Auto Orkney GreyDiscovery 4

Hi SteveB, pull off the complete assembly to have a look inside. If it looks like the one on the right it's a KNW5000010. If it looks like the one on the left it's a KNW500020.
  
Post #17858282nd Mar 2017 9:06 am
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Gareth
Site Moderator 


Member Since: 07 Dec 2004
Location: Bramhall
Posts: 26701

United Kingdom 

You can fit the later handle to an earlier tow bar, but you can't fit an earlier handle to a later bar.

The difference is the ratchet ring, which prevents the tow bar working loose on later versions.  
Post #17858312nd Mar 2017 9:14 am
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Steve B
 


Member Since: 04 Dec 2010
Location: Yorkshire
Posts: 263

England 2012 Discovery 4 3.0 TDV6 XS Auto Fuji WhiteDiscovery 4

Thanks for all the replies especially Gareth's which implies that if I get the later model I should be ok  
Post #17858352nd Mar 2017 9:20 am
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