 | Home > Wheels & Tyres > Standard Tyres: what pressure? |
 
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| Naks Member Since: 27 Jan 2009 Location: Stellenbosch, ZA Posts: 2645   
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Hi all
What tyre pressures do you guys run on an unladen 90 running stock standard tyres? The manual says F/R: 2.1/2.6, but 2.1 at the front seems too low to me considering the weight of the engine, and 2.6 at the back seems too high? I am tending towards F/R: 2.3/2.5 - what do you guys think? |
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21st Feb 2010 9:06am |
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| jlerra Member Since: 10 Jul 2009 Location: Gibraltar/London Posts: 149  
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Hia,
Stick to the manual directives - the tyre pressure have been worked out specifically for the tyre specification and the laden weight of the vehicle with the exception of driving in sand when they have to be deflated for grip then reinflated for road use. If you don't keep to the spec in the manual you stand the chance of rapid tyre wear! Tra-la-lu 'El Pepe Flamenco'  JLS
'El Pepe Flamenco' |
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21st Feb 2010 11:40am |
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| ralton Member Since: 04 Feb 2010 Location: Durban Posts: 153 
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I run mine at 1.9-2.0 all-round. I find it a smoother ride, not too soft, just right...
Also, i haven't noticed any uneven wear after the 65000km at that pressure. Cheers |
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21st Feb 2010 2:13pm |
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| Naks Member Since: 27 Jan 2009 Location: Stellenbosch, ZA Posts: 2645
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Thanks guys
on an unrelated note, everytime I brake, the puma pulls sharply to the left. There is less resistance in the steering wheel when turning left than when turning right. and the steering wheel's centre is to the left by about 10-20 degrees when going straight. What could be the issue there? |
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21st Feb 2010 2:25pm |
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| o4dn Member Since: 08 Jan 2010 Location: South West Posts: 545  
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Funny you mention this, after a few months driving my car I decided this weekend to check the tyres pressure and what I found is quite surprising to say the least. Apparently, from factory (or at least from delivery) the tyres pressure was 3.5/3.6 bar F/R, ie way too much compared to what the manual says! I deflated to 2.1/2.6 as per the instructions and get a much smoother ride. Why those tyres were inflated to that level is beyond me. |
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22nd Feb 2010 9:18am |
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| Naks Member Since: 27 Jan 2009 Location: Stellenbosch, ZA Posts: 2645
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No ways, that's what I found as well, spent 15 minutes just deflating them to the correct pressures! And the spare tyre was inflated to over 4.2!!! No wonder we couldn't fit the spare wheel cover at the dealership  |
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22nd Feb 2010 9:24am |
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| Niel Member Since: 14 Sep 2009 Location: Sandton Posts: 27 
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rolton, i also had mine on 2 bar(when i received the defender it was over 3bar) but then at about 8k i did a 5way tire ratation and the guys at the tyre place showed me some signs of flat spots starting?? so now i am up to 2.4 bar all round Puma 110 sw White
No extras yet. |
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22nd Feb 2010 12:28pm |
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| Eduardo Member Since: 28 Aug 2008 Location: Región Metropolitana Posts: 2110  
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Hi there
According to the manual should be 2 bars (30 psi) in front and 3.1 bars (45 psi) in the rear With standard tires I use in the front the correct one, but in the rear I use 2.4 (35 psi). Less than specify the manual, but with more pressure the truck get very bumpy, in special without load. Cheers Eduardo MY 2007 110 SW PUMA 2.4: Big Fog of 64' MY 1994 Jayco 1207 Folding camper: "El Tremendo"  Click image to enlarge |
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22nd Feb 2010 12:39pm |
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| Naks Member Since: 27 Jan 2009 Location: Stellenbosch, ZA Posts: 2645
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erm, pasted from the manual I received from LR, and I don't see the figures you are quoting: Click image to enlarge |
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22nd Feb 2010 12:44pm |
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| Eduardo Member Since: 28 Aug 2008 Location: Región Metropolitana Posts: 2110
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That was for the 110 - sorry Eduardo MY 2007 110 SW PUMA 2.4: Big Fog of 64' MY 1994 Jayco 1207 Folding camper: "El Tremendo" Click image to enlarge |
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22nd Feb 2010 12:46pm |
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| ralton Member Since: 04 Feb 2010 Location: Durban Posts: 153
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Hi there - was that on your 110? (or on a 90?) Cheers |
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22nd Feb 2010 1:17pm |
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| Niel Member Since: 14 Sep 2009 Location: Sandton Posts: 27
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110 Puma 110 sw White
No extras yet. |
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22nd Feb 2010 1:19pm |
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| alantd Member Since: 14 Dec 2008 Location: Northamptonshire Posts: 1513  
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I was running mine too high. Subjectively they looked to be properly inflated (the quoted manual figures looked too soft and saggy). After 5k, however, I was wearing the middles down and not the edges. When the car was serviced, the dealer knocked the pressures back to the quoted levels and it now drives a lot better
One that started out as a 2.4 TDCi 110 XS
+ New Defender 110 First Edition |
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23rd Feb 2010 9:51am |
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