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Tyre pressures when towing
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KenR
 


Member Since: 17 Jan 2010
Location: Argyll Scotland
Posts: 169

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Zermatt SilverDiscovery 4
Tyre pressures when towing

Does anyone else adjust their tyre pressure when towing a caravan? Having just returned from three weeks away, on a number of site, I have yet to see anyone even look as if they are considering whether their tyres are the correct pressure (car or van) – it is usually load up, couple up and drive away.

I tend to consider 100kgs on the tow ball and an awning, generator, etc. in the boot as constituting being “heavily loaded” !
  
Post #186817413th Oct 2017 5:38 pm
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L319
 


Member Since: 14 Dec 2013
Location: Herefordshire
Posts: 1179

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

I do and LR recommend fully loaded pressures when towing, even without the full load in the vehicle, presumably for stability reasons.
  
Post #186819113th Oct 2017 5:57 pm
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Washwipe
 


Member Since: 19 Apr 2013
Location: Bucks Oxon Herts Border
Posts: 1963

England 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Waitomo GreyDiscovery 4

Still adds up to a couple of people over the rear axle.
I adjust mine when towing, it’s a little bit skittish in the motorway ruts if I don’t.
  
Post #186819313th Oct 2017 6:05 pm
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Ray Clayton
 


Member Since: 15 Aug 2014
Location: Ilkeston. Derbyshire
Posts: 135

England 2008 Discovery 3 TDV6 SE Auto Buckingham BlueDiscovery 3

Hi
Run on GG AT 40psi in rear 30psi in front.
Caravan 35psi all four, 100kg on towbar, even though the van is 90kg on tow bar find it tows better at 100kg.

Thumbs Up Thumbs Up
  
Post #186820913th Oct 2017 6:35 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 4174

England 2005 Discovery 3 TDV6 HSE Auto Baltic BlueDiscovery 3

That seems very low to me for towing, I prefer 35psi front 46psi rear Thumbs Up
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #186840614th Oct 2017 11:38 am
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al cope
 


Member Since: 08 Nov 2005
Location: Oldbury, WM
Posts: 8416

England 2016 Discovery 4 3.0 SDV6 SE Tech Auto Loire BlueDiscovery 4

46 seems way to high as a cold temp. that would be nearer 50 when hot.

I run at 34 front and 40/41 with tintent on the back. but set the tyres at this before leaving home and leave them like that until I get back, so you would never see me checking or changing presures whilst on site. I just run around solo with these settings in between towing until I get home.

Al
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Post #186840914th Oct 2017 11:43 am
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character
 


Member Since: 31 Dec 2007
Location: wiltshire
Posts: 5673

United Kingdom 2005 Discovery 3 TDV6 S Auto Alaska WhiteDiscovery 3

33 on the front and 42 on the rear Thumbs Up
  
Post #186842714th Oct 2017 12:51 pm
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BrettKaz
 


Member Since: 11 Nov 2013
Location: Canberra
Posts: 151

Australia 2007 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

M3DPO wrote:
That seems very low to me for towing, I prefer 35psi front 46psi rear Thumbs Up


Thumbs Up

Al, tire pressure ratings on tyres are when cold so with Pirelli can run to 50. As a precaution you can, when changing tires, have them filled with nitrogen as this has no moisture (like plain air) so doesn't heat up as much.
  
Post #186887115th Oct 2017 10:35 pm
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tooslow964
 


Member Since: 03 Jun 2016
Location: ceredigion
Posts: 9

United Kingdom 2010 Discovery 4 3.0 TDV6 XS Auto Zermatt SilverDiscovery 4

We run 33 front 40 rear, this seems to be more stable for us than going higher at the rear. Think the 40 puts it somewhere between being car full and 4 people. Haven't had any problems with undue wear on the rear. If I recall when using our D2 we needed the rears near the max when towing (48 I believe)
Tyre make in my opinion does differ
  
Post #186890116th Oct 2017 7:26 am
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Washwipe
 


Member Since: 19 Apr 2013
Location: Bucks Oxon Herts Border
Posts: 1963

England 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Waitomo GreyDiscovery 4

Just running with 78% Nitrogen here Whistle
  
Post #186908116th Oct 2017 3:36 pm
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