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Subject Topic: Tyres for caravan Post Reply Post New Topic
26/7/2010 at 1:30pm
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I have a 1989 avondale caravan, the tyres i have on at the moment do not look right, they dont look round (have a flat spot at the bottom) I have pumped them up to the max tyre pressure that is indicated on the tyre wall.

Its not an heavy caravan, off the top of my head its 750kg + 150kg , so i am pulling 900kg

Were can i find out what tyres go on the caravan, i do need to sort them out.

 

 



26/7/2010 at 2:37pm
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It is recommended to change caravan tyres about every 5 years anyway. So, if you are in any doubt whatsoever, for the sake of safety change them.

The size/type you need is on the sidewall where you found the pressure info.


26/7/2010 at 6:04pm
 Location: Blackburn Lancashire
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Not necessarily.  It sounds like they may be the wrong tyres.   Check with the manufacturer for type of tyre, and the pressure it will run at.  Very few tyres are supposed to run at the maximum pressure shown on the sidewall.

Jim



26/7/2010 at 7:01pm
 Location: North Wales
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I had my tyres changed recently and they look soft. I'm assured that that's correct - 850 kg unladen caravan, 33 psi in the tyres. The recommended pressure for my tyres is 40 but it was explained to me that if they're too hard they don't grip the road properly.

You don't say what pressure you've put in them.

Nora


26/7/2010 at 7:50pm
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i put in 35 psi


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26/7/2010 at 8:29pm
 Location: Midlands
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Check with the manufacturer? Avondale? Should be an intersting call, Got a tardis?

What caravan is it? I have a handbook which lists most models.

Tyre pressures vary between models and tyre sizes.

If you find the exact model i will look it up.



26/7/2010 at 9:26pm
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Definitely get them sorted soon - we had a blow out on the way back from our holiday. Scary stuff. Stayed remarkably stable and we only lost the wheel arch cover. A big reminder of what could happen & why it is worth annoying everyone on the road by driving slowly - I hate to imagine what could have happened if we had been going faster than we were.


26/7/2010 at 9:37pm
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hi grampian

its a 1989 4 birth avondale leda

this is the one (cant believethe guy wants 2.5k for it)

http://cgi.ebay.co.uk/caravan-tourer-4-berth-Avondale-Leda-/250669357277?cmd=ViewItem&pt=UK_Campers_Caravans_Motorhomes&hash=item3a5d0ed8dd#ht_609wt_1137


27/7/2010 at 9:48am
 Location: leeds
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Quote: Originally posted by Max-and-Paddy on 26/7/2010
I had my tyres changed recently and they look soft. I'm assured that that's correct - 850 kg unladen caravan, 33 psi in the tyres. The recommended pressure for my tyres is 40 but it was explained to me that if they're too hard they don't grip the road properly.

You don't say what pressure you've put in them.

Nora

nora please do not run under the recommended pressure for your tyres 2 reasons

first you are under inflated thus lowering the weight carrying of the tyre so are then over loaded

second under inflation causes heat build up in the tyre which in turn can turn in to  a blow out

 

please dont any one shoot me down for this as it is my opinion and just passing on a bit of advice



28/7/2010 at 9:09am
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have you actually bought the caravan ???


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28/7/2010 at 1:22pm
 Location: North Wales
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Quote: Originally posted by simon23 on 27/7/2010
Quote: Originally posted by Max-and-Paddy on 26/7/2010
I had my tyres changed recently and they look soft. I'm assured that that's correct - 850 kg unladen caravan, 33 psi in the tyres. The recommended pressure for my tyres is 40 but it was explained to me that if they're too hard they don't grip the road properly.

You don't say what pressure you've put in them.

Nora

nora please do not run under the recommended pressure for your tyres 2 reasons

first you are under inflated thus lowering the weight carrying of the tyre so are then over loaded

second under inflation causes heat build up in the tyre which in turn can turn in to  a blow out

 

please dont any one shoot me down for this as it is my opinion and just passing on a bit of advice



The fitter inflated them to 40psi because that was what the manufacturers recommended for that tyre. Because it was so much higher, I queried it with Swift who told me that I should put in whatever it said in the caravan handbook, which was 33psi.

I don't know anything about tyres and could be wrong, but I would have thought it was more likely to blow out if it was over inflated rather than under, which I would expect to damage the wheel and the tyre rather than actually blow out.

Nora


28/7/2010 at 2:39pm
 Location: Oldham
 Outfit: Burstner S500TS Nissan Patrol 3.0 SVE
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simon23 is qite correct.

Underinflation will increase the temperature that a tyre runs at and increase the risk of a blowout.

The difference between hot and cold tyre pressures should be around 4psi (try Googling "4psi rule"). If, after running for an hour, the pressure increase is more than that you need to put some more air in. If it is much less, you can let a bit out.


Andrew


28/7/2010 at 3:16pm
 Location: Lowestoft Suffolk
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"......The fitter inflated them to 40psi because that was what the manufacturers recommended for that tyre. Because it was so much higher, I queried it with Swift who told me that I should put in whatever it said in the caravan handbook, which was 33psi....."

As previously stated, it is not a good idea to run underinflated, but for a 900kg van, assuming 14 or 15 inch wheels, 33 psi sounds about right.

This diffrence could possibly be as a result of the caravan handbook figure of 33 being applicable to 'normal radial' tyres; which would be suitable for a 900kg max van. However, if it had subsequently been fitted with 'reinforced commercial' tyres, these would need a pressure of around 40psi.

Reinforced commercial tyres are usually quite suitable also.

How to tell the differemce:

If the size info on the sidewall includes the letter "C", (eg 185 70 C 15) it is a 'reinforced commercial' tyre and needs around 40psi. If it (for example) says 185 70 R 15 it is a 'normal radial' type and around 33 would be correct. Radial tyres always look a little flat where they touch the ground.


Post last edited on 28/07/2010 15:52:43


29/7/2010 at 1:03am
 Location: Midlands
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Leda CHEVIOT is it a cheviot?

LEDA was a brand name not the caravans actual model name.

165x13 tyres 42PSI.

Unladen Weight 820kg +/- 5%

Max laden weight 1000kg.

Length 19' 9 1/4"

Awning size 8.22m



30/7/2010 at 9:52pm
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I Always was told

Leda was a Cheap Avondale

Strange But True !



31/7/2010 at 11:40pm
 Location: Midlands
 Outfit: Mondeo Avondale Gram
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Shhhh dont tell them that, Might make my van sound cheap if i want to sell it.

Avondale Leda Grampian.

I thought Leda was a brand on its own.

Early models were Leda Grampian but later just Avondale Grampian.

Leda range..

Cambrian
Quantock
Cheviot
Mendip
Malvern
Pennine (single and twin axle)
Grampian
Pentland.

I thought the Perle's were the budget end?




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