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Subject Topic: Tyre Pressures.
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24/6/2013 at 7:30am
 Location: Doncaster
 Outfit: Peugeot Autocruise Starfire 2 berth
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Hi

we have a Compass 4 berth fixed bed.

I have read the different posts on tyre pressures, but i am still not sure how much air i should be putting into our caravan.

i checked the air pressure in the carasvan tyres and they read 42 PSI.

The information on the tyres gives 2 weights. max wweight 1500+ .then it says Max tyre pressure 66 PSI.

Should i be putting 66 PSI into our tyres?

We try to keep our weight down as much as possible when towing.

the heaviest thing we carry are our porch awning and gas bottle..

cheers

corni.

ps

read all bumfff on tyre pressures but it still doesn't seem to get through my thicko skull.

i think i may need laymens/caveman/hammer and chizel language.

 

 

     ,



24/6/2013 at 8:58am
 Location: Harrogate Yorkshire.
 Outfit: Skoda Octavia 4x4 & Compass Omega 482
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You also need to know what the tyre loading index is i.e. 95, 96, 99 or 102 etc. marked on the tyre.
Download the excel spread sheet, save it on your hard drive and put the info in the box's marked red.
MTPLM, Wheels, Max PSI marked on tyre, you say 66psi and the tyre load index, then you get the correct pressure and other bits of info. The info on is for my caravan, just change it.

https://www.dropbox.com/s/7n1mri3nzyvpqru/caravan%20tyres%20%281%29.xlsx

-------------
Skoda Octavia Estate 2.0TDi 4x4 (2012) towing a Compass Omega 482 (2014)


24/6/2013 at 8:59am
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thats max tyre pressure if max weight is what your towing.Id be personally very concerned at pumping up a tyre to that.My abbey is 55 psi,but I use a compressor that cuts out at the set pressure.Im standing well away at the time lol.In fairness it hasnt went pop yet so must be ok

-------------
Who needs travel agents,we have our static


24/6/2013 at 11:30am
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New guide..click

-------------
Animals have feelings..

JEFF................


24/6/2013 at 11:48am
 Location: Lichfield
 Outfit: Coachman Amara 450
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The 'Halfords' tyre inflator I have has a cut out device but it's far from accurate so I don't rely on it and only use it as a basic guide. It usually inflates to about 5-7 psi less so what I use is a professional tyre pressure gauge (shown in the link below) and always inflate to the pressures shown displayed on the gauge. If you happened to get stopped by the Police regarding a roadside check this is what they would use anyway so I always carry mine in the boot of the car for reference. Sorry I can't advise on the tyre pressures as I just inflate according to what is stated in my Coachman handbook.

http://www.amazon.co.uk/Draper-69924-Pressure-Gauge-Flexible/dp/B0002GV286



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24/6/2013 at 6:05pm
 Location: None Entered
 Outfit: Hymer 530
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My handbook states 4 bar which is 58psi I would say 42psi is under inflated which can cause a blow out.

Sounds stupid but have you actually got caravan / heavy duty tyres on your van or has someone put a lower load rated car tyre on it.

-------------
Mike


24/6/2013 at 8:48pm
 Location: Taunton
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My read of our situation is that your tyres are rated to a maximum axle weight of 1500kgs OR max cold inflation pressure of 66psi. What your caravan manufacturer suggests is the correct pressure would be on the same plate that defines your MTPLM.

The information in the link that Jeff posted above can also cause further confusion though. My tyres are rated to 66psi cold inflation, and my van plate suggests 62psi however the link suggests that I should never inflate them above 56psi (ie 10psi under max). So what is it to be: 10psi under max or the correct caravan defined cold inflation pressure, whichever is the lesser?


24/6/2013 at 8:59pm
 Location: Doncaster
 Outfit: Peugeot Autocruise Starfire 2 berth
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they're proper tyres hymer.

they are those tyron type  tyres with the metal band. we have an allen key type bar in the caravan that must be used to remove the tyre.

 

i am scared to put more air in because i may be doing damage.

i appreciate all the responses, they have been a great help.

cheers.

 



24/6/2013 at 11:40pm
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First, what is the exact size of the tyre and the load index number which follows the size as it appears on the tyre sidewall?.
Second, what is the maximum and minimum weight of the van? ie, the MIRO and the MTPLM as stated on the data plate?


25/6/2013 at 7:00am
 Location: Doncaster
 Outfit: Peugeot Autocruise Starfire 2 berth
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we store caravan a few miles away from our home, but i will get the info asap.

cheers.



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25/6/2013 at 7:18am
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Try this, Max psi divided by the tyres Max weight multipled by the weight being put on the tyre, so if a single axle, the weight of the caravan divided by two, e.g

66psi / 730kgs x 650kgs = 58.76psi.


29/6/2013 at 4:22pm
 Location: Doncaster
 Outfit: Peugeot Autocruise Starfire 2 berth
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HI

these are the numbers and dimensions i got off the tyres.

SIZE = 185 - R -14 - C

MPS = 320..................LOAD RANGE = D

850 kg. = 1874 lbs.......450 KPA.............. 66PSI

800 kg. = 1754 lbs........450 KPA.

(E27) 009032.

AND the most important figures are> DOT 13KM === (1107).

if i have read the last figure right i think my tyre is a 2007 tyre.

HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

 

 

 



29/6/2013 at 4:25pm
 Location: Doncaster
 Outfit: Peugeot Autocruise Starfire 2 berth
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There is one more figure i missed.

102/100R

cheers again.



29/6/2013 at 11:42pm
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No you also missed out the answer to the second question!

You can though find your tyre on this chart and read off the correct pressure for your vans weight.

Given though your tyres are over 5yr old, I'd at the very least get them checked over by an expert to ensure they are still servicable


30/6/2013 at 6:04am
 Location: Doncaster
 Outfit: Peugeot Autocruise Starfire 2 berth
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now you've confirmed that  the tyre are nearly 6 years old ARC, ( scary ) our first job will be to have new tyres fitted. (this week).

we go a little caravan site in barton upon humber ( the rancher ) and there is a tyre place down the road who will fit your tyres while you are on site.

sounds ok. anyone any experience of having tyres fitted on site?

i would like to thank everyone for all their help,agin. if it wasn't for you nice people putting us right we could have been riding around in an accident waiting to happen.  

i don't think i am the only caravanner who's worst nightmare/dreads the thought of having a puncture. 

thanks everybody.

corni

 



30/6/2013 at 11:26pm
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I'd say it's a great idea to change tyres while your on site, however just make sure he balances them.
Also, it may well be a good idea to book yourself in and give him the size in advance, that way he can get them in stock ready.



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