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Talk about the different aspects of your tow car and tow advice.

Caravan Tyre Pressure

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14 Jun 2011 @ 10:21:17 am
Shaun
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Hi All, im not sure if this has been adressed anywhere so please forgive me for asking again. I have a 92 Sprite Super Sport, and on the lic disc its Tare is 770kg. The van has 195/70/14 tyres on. Can anyone give me advice on how hard to pump them? Is it best to go hard, or soft? I would hate to have a burst tyre on the highway because ive inflated them incorrectly.
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14 Jun 2011 @ 13:34:36 pm
W J
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Sticker on side of my new caravan with 184 -14 tyres 3.5bar

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16 Jun 2011 @ 07:43:54 am
Chris Steffen
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It is very unlikely you will have a tyre burst due to incorrect pressure if you kept the pressures between 2.5 to 3.5 bar however you may have poor life out of the tyres if they are not inflated correctly. When towing you are also not traveling at high speeds. However, when towing you are also likely to be pulling over a lot to let others pass and if your tyres are too soft and therefore bulging a lot their sidewalls are more vulnerable to being spiked by road debris which is often on the road verge, this could then lead to a blowout. I have a Jurgens 1983 fleetline 5 which has a GVM of 1000kg (fairly light by todays standards) and I keep the tyres at about 2.8bar. I think what is cardinal and more important than the exact tyre pressures though is that you ensure your tyres are in good condition. Depending on how often you use your caravan tyres can deteriorate over the years when the van is standing. They may not have a high mileage but they could be old. Check your tyres regularly and especially after traveling on a bad or unmade road. In the 4x4 community it is recommended that after traveling on a bad road you stop and check your tyres before hitting the tarmac and travelling at high speed again. After all that I would suggest you contact Jurgens and ask them for advice on exactly what pressures are recommended for that van. Safe towing Chris
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17 Jun 2011 @ 15:48:10 pm
Shaun
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Thanks guys,

ill keep them between 2.8 and 3.5. Another question, what do I look for on the tyres to see if they are bad? Mine have good tread left, but is there something else I must look for?

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17 Jun 2011 @ 16:58:44 pm
Chris Steffen
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Look for nails and the like that may have pierced the tyre, the tyre may not necessarily be going flat so you would not know it was there unless you checked.  Look for fine cracking on the edges and sidewalls these often indicate an older tyre.  Look for uneven tread wear which could indicate that the tyres are out of alignment, although I am not sure that this would happen on a caravan very often.  Check for cuts from sharp stones mainly on the sidewalls especially if you have been travelling on unmade roads.  Always carry an inflated spare for the van and also those cans you can use for inflating and sealing tyres.  Use the 4x4 ones.  Another inportant thing is to ensure the pressures (even if they are not 100% correct) are the same for both tyres, uneven pressure could lead to instability.  Also never use a retread on a caravan.  Many years ago my father was told that retreads must be used often and since a caravan stands a lot they must not be used.

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19 Jun 2011 @ 01:26:30 am
Chris Steffen
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Have a look at the caravan specs near the bottom of thios website page, tyre pressures are given for the various caravans and it is mostly 250kpa.

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20 Jun 2011 @ 08:54:30 am
Shaun
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I did try and ook at the specs, but they are so indistinct, I cant read them, and even if I print them, you still cant make out whats written.

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22 Jun 2011 @ 13:45:03 pm
Willie
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I suggest you also make sure what the maximum inflation pressure of your tires are. If it's not to be found on the sidewall, you can obtain it from your nearest tyre dealer. Do not exceed that spec.

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06 Jul 2011 @ 19:44:17 pm
Antony
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Hi Shaun

My recommendation is that you remove the wheels from your caravan and then roll them slowly while looking into the tread grooves and look for cracks that might be there.If so discard immediately and fit new tyres , all the other rules apply ,ie cuts ,nails etc. When doing this ensure that the tyres are pumped to your max towing pressure so as to expand the rubber.

regards

Tony

 

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07 Jul 2011 @ 11:19:38 am
Ian
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A good pressure for a caravan tyre is between 2.2 and 2.5 bar, very much a function of the type of tyre. The suggestion of 3.5 bar might be bad advice - most caravan and "bakkie" tyres such as the 6-plies on my caravan (Dunlops) have a MAXIMUM pressure of 3 bar according to Dunlop. The user manual says 2.5 bar.

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08 Jul 2011 @ 18:31:29 pm
GGG
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Had a similar van and pumped the tyres to 2.8, spare to 3.2 and the towcar, a Ford 3.0 Saphire back tyres to 2.8 and front tyres to 2.5

All tyres were radial ply tyres, not the bakkie type

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22 Jul 2011 @ 07:30:51 am
Shaun
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Thanks for all your help guys

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24 Jul 2011 @ 08:47:59 am
Louis
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I have not experienced any problems yet with any tyres on any of my vans. When i buy a van I normally take the tyres off and have them thoroughly inspected. The last van I bought, I found that cracks had developed between the grooves. So small that they could not be seen with the tyres on the van. They looked almost brand new. The van had been standing for a long time and was in immaculate condition and one would expect the tyres to be as such as well. when they were removed andclosely inspected it was only then that we saw the cracks. 

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27 Jul 2011 @ 21:27:48 pm
Theuns
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A very important factor in connection with tyres, is the load rating. Make sure your tyres are commercial or bakkie tyres. Tyres made for cars do not last on caravans!

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