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Towing, ride height
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michael calvert
 


Member Since: 03 Dec 2011
Location: West Yorkshire
Posts: 519

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Waitomo GreyDiscovery 4
Towing, ride height

I've recently bought a new ifor Williams 16ft flat (triaxle) trailer. LM166

It tows horrible, wagging all over whether it be loaded, empty, nose heavy tail heavy or over the axles. . As soon as i hit 45-50 that's it, like a white knuckle ride wondering where it'll put me.

Needless to say it's been back to the dealer.
What height should my ball be, i have the HD lr multiheight fit so have tried both lower and upper settings, none seems better.

The dealer has suggested it needs to be higher when hitched as the car lowers once it sets off to a ride height?! Not sure in this?

Any help appreciated .

It towed my ge 16' tri fine in the lower setting before i (up) graded
 D3 gone
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D4 landmark waitimo grey 
 
Post #179334718th Mar 2017 11:56 pm
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Russell
 


Member Since: 23 Aug 2007
Location: Kent
Posts: 10564

United Kingdom 

What is the load rating of the tyres on the back of your Disco. Had similar issues when i first got a D3 and it had 107 load rating they should be 111, got 11 load rated tyres fitted and was like a diffrent car.
 MY17 D5 1st Edition Namib Orange
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Tow bar, full length roof bars, side steps, tow bar storage unit, surround camers.
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Post #179335119th Mar 2017 12:30 am
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L319
 


Member Since: 14 Dec 2013
Location: Herefordshire
Posts: 2079

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

What does Ifor Williams handbook say the hitch height be ? I towed my twin axle 3.5t IW never any issues as long as my tyre pressures correct. ie max fully loaded pressures.
  
Post #179337519th Mar 2017 8:06 am
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michael calvert
 


Member Since: 03 Dec 2011
Location: West Yorkshire
Posts: 519

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

It's the comment about the disco lowering when it starts moving/in drive I'm confused over as they're saying that the hitch height when static is higher than when driving?
 D3 gone
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D4 landmark waitimo grey 
 
Post #179337719th Mar 2017 8:17 am
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Oswiperus
D3 Decade 


Member Since: 02 Apr 2010
Location: Chelmsford, Essex
Posts: 1590

United Kingdom 2005 Discovery 3 TDV6 SE Auto Java BlackDiscovery 3

My Ifor Williams LM146 tows really well, I use the hitch at 450mm I think(the higher of the two without using the extender plate) and it is pretty level. The suspension will not alter once you set off assuming that it is set at normal height to start with. Not used a tri-axle but I would have thought it would be rock steady.
 Stu

2016 D4 Landmark current
2022 Defender D300 SE Gone Sad
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Post #179338319th Mar 2017 8:24 am
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michael calvert
 


Member Since: 03 Dec 2011
Location: West Yorkshire
Posts: 519

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

Thanks all. I don't have the plate so have two options (top and bottom) in the upper it's at about 475 to centre if ball i think 19"

Yes i was expecting it to just sit there like my old Graham Edwards did
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Post #179338619th Mar 2017 8:29 am
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Ocsid
 


Member Since: 29 Nov 2005
Location: Hampshire
Posts: 255

England 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Indus SilverDiscovery 4

Worth checking is the pressure of the Disco's rear tyres and also the health of the suspension bushings; towing benefits from as laterally stiff a vehicle rear end as possible. Run at least the rears as high a pressure as possible [42 psi ?]

If that does not help then I would chat to a fellow owner to organise towing with that to see if their Disco handles your IFW trailer with any better grace.

With the D3 I towed a twin axle IFW trailer and it behaved impeccably loaded or not. Those days with the detachable hook.
  
Post #179338819th Mar 2017 8:36 am
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Oswiperus
D3 Decade 


Member Since: 02 Apr 2010
Location: Chelmsford, Essex
Posts: 1590

United Kingdom 2005 Discovery 3 TDV6 SE Auto Java BlackDiscovery 3

Yes I'm sure you're using the best height setting.
 Stu

2016 D4 Landmark current
2022 Defender D300 SE Gone Sad
D4 2014 XS Commercial - Gone Sad
D4 2016 hse lux montalcino red - Gone
D3 2005 se java black - current
D3 2005 base manual - gone Sad
D2 1999 TD5 E white - current 
 
Post #179339119th Mar 2017 8:42 am
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michael calvert
 


Member Since: 03 Dec 2011
Location: West Yorkshire
Posts: 519

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

Ocsid wrote:
Worth checking is the pressure of the Disco's rear tyres and also the health of the suspension bushings; towing benefits from as laterally stiff a vehicle rear end as possible. Run at least the rears as high a pressure as possible [42 psi ?]

If that does not help then I would chat to a fellow owner to organise towing with that to see if their Disco handles your IFW trailer with any better grace.

With the D3 I towed a twin axle IFW trailer and it behaved impeccably loaded or not. Those days with the detachable hook.


I hope suspension is all good it's only 6 month old with 11k on clock.... Very Happy
 D3 gone
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D4 landmark waitimo grey 
 
Post #179339319th Mar 2017 8:46 am
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michael calvert
 


Member Since: 03 Dec 2011
Location: West Yorkshire
Posts: 519

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

Oswiperus wrote:
Yes I'm sure you're using the best height setting.



Will see what happens on Tuesday when i go back for it then as the trailer has been of for geometry check's
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D4 landmark waitimo grey 
 
Post #179339419th Mar 2017 8:46 am
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michael calvert
 


Member Since: 03 Dec 2011
Location: West Yorkshire
Posts: 519

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

And the final annoyance......Paid for led lights and the d4 doesn't recognise them, turn signal speed is correct just doesn't have the in dash flash, nor does it isolate rear parks sensors/fog when connected. Using 13pin genuine lr (LR fitted) tow socket
Anyone had any solutions to this does it have other effects known?
 D3 gone
Rrs 3.0 tdv6 hse nara bronze - going
D4 landmark waitimo grey 
 
Post #179339519th Mar 2017 8:49 am
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Down&Dirty
 


Member Since: 17 Aug 2012
Location: Somewhere out back
Posts: 1287

England 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Corris GreyDiscovery 4

My mate had one new and did very similar but towed behind a shogun ,
His turned out to be a dragging brake and one of the middle tires had a flat spot from just standing Shocked

May help Thumbs Up
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Post #179339719th Mar 2017 8:51 am
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michael calvert
 


Member Since: 03 Dec 2011
Location: West Yorkshire
Posts: 519

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

Thumbs Up thanks. We will see, like i said up to 45/50 it's not bad just above its a full on scare
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D4 landmark waitimo grey 
 
Post #179340019th Mar 2017 8:59 am
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Washwipe
 


Member Since: 19 Apr 2013
Location: Bucks Oxon Herts Border
Posts: 3169

England 

michael calvert wrote:
And the final annoyance......Paid for led lights and the d4 doesn't recognise them, turn signal speed is correct just doesn't have the in dash flash, nor does it isolate rear parks sensors/fog when connected. Using 13pin genuine lr (LR fitted) tow socket
Anyone had any solutions to this does it have other effects known?


Hit the search button, a few threads regarding LED lights, especially for the tintent towers, me included, stand corrected but the LED lights do not draw enough power for the towing electrics to recognise you towing, I had a special box fitted in the Tintent from Sargent, VLM4.

https://sargentltd.co.uk/shop/product/led-...l-unit/240

Go into the camera settings on the Sat Nav screen, there is a setting for the rear sensors when towing.

Post 6

http://www.disco4.com/forum/topic155023.html?

Had to check your post, a six months old D3 Question Wink
  
Post #179342319th Mar 2017 9:47 am
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michael calvert
 


Member Since: 03 Dec 2011
Location: West Yorkshire
Posts: 519

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

D4 thread Wink
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D4 landmark waitimo grey 
 
Post #179344519th Mar 2017 10:30 am
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