Checking Motorhome tyre pressure

Nickorchard

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Dec 2, 2022
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92,721
MH
Autotrail 590 EK
Hello
We recently bought an Auto-trail EK 590
I wanted to check the tyre pressures which need to be 75 PSI

Took it to local garage and the supermarket garage however the compressor max pressure was 60 PSI

Where do people take Moto homes to check tyre pressures or do I need to get my own compressor?

Cheers

Nick
 
I have a vanhaus compressor currently good price
Amazon product ASIN B079Z9FQPWHowever, you may find that 75 psi all round gives you a very hard ride. Many of us have put our MHs on a weighbridge and used the actual axle weights to ask the tyre manufacturer what the pressures should be. (Need axle weights, tyre type and size)
Alternatively there is a general guide here
 
Upvote 0
I have a vanhaus compressor currently good price
Amazon product ASIN B079Z9FQPWHowever, you may find that 75 psi all round gives you a very hard ride. Many of us have put our MHs on a weighbridge and used the actual axle weights to ask the tyre manufacturer what the pressures should be. (Need axle weights, tyre type and size)
Alternatively there is a general guide here
Thanks for that very useful .

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Upvote 1
When setting tyre pressure don’t forget that the tyre pressure increases when tyres have warmed up. I set my 4.25t van at 65 psi when tyres are cold and they increase in pressure to around 72 psi after about half an hour driving this gives a nice ride.i have tyre pressure sensors fitted which I can monitor while driving.
 
Upvote 1
Hello
We recently bought an Auto-trail EK 590
I wanted to check the tyre pressures which need to be 75 PSI

Took it to local garage and the supermarket garage however the compressor max pressure was 60 PSI

Where do people take Moto homes to check tyre pressures or do I need to get my own compressor?

Cheers

Nick
Are you sure they need to be set at 75psi? This will give you a very hard ride and when warm will possibly be over 80psi.
 
Upvote 1
I'm another happy Vonhaus user.
My pressures were 80psi.
Ride was rock hard.
I'm now running the rears at 65 and fronts at 60psi.
Massive improvement in ride.

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I got one of these. Double acting piston gives it more umph. Despite the cigar lighter plug it will not run off a 10 amp socket. Connect the clips supplied to a battery and plug into that. From memory it draws about 25 amp.

Deal: GSPSCN Silver Tyre Inflator Heavy Duty Double Cylinders with Portable Bag, Metal 12V Air Compressor Pump 150PSI with Adapter for Car, Truck, SUV Tyres, Dinghy, Air Bed etc https://amzn.eu/d/5gLyMdC
 
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If you just want to check your tyre pressure then just buy a decent pressure gauge. We have two: a digital one from Halfords and the other is a Draper.

Amazon product ASIN B0002GV286
We bought a Van Haus cordless compressor and that has coped easily with our rear tyres which are 79p.s.i. We reduced the fronts to 65p.s.i and now have a much more comfortable ride.
 
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I have a vanhaus compressor currently good price
Amazon product ASIN B079Z9FQPWHowever, you may find that 75 psi all round gives you a very hard ride. Many of us have put our MHs on a weighbridge and used the actual axle weights to ask the tyre manufacturer what the pressures should be. (Need axle weights, tyre type and size)
Alternatively there is a general guide here

I have one of these too. Great value piece of kit. Plug into your 12v or use it wire free with the battery.
 
Upvote 0
When setting tyre pressure don’t forget that the tyre pressure increases when tyres have warmed up. I set my 4.25t van at 65 psi when tyres are cold and they increase in pressure to around 72 psi after about half an hour driving this gives a nice ride.i have tyre pressure sensors fitted which I can monitor while driving.
My understanding is, tyre pressures are normally given as a cold temperature, presumably forethought having been given to the pressures increasing as they warm up 🤷‍♂️ .Certainly on mine, a cold pressure of 80psi is recommended on the rears, [ 2240KG axle, tyres 225/70 R15 CP 112]
Front axle 1850kg. 61psi. Van total MAM 4090kg. Pressures as suggested from the calculator in " RiverBankAnnie" post.
Mike

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Another Vonhaus user.
Run mine at 56 front, 69 Rear, axle weights 1930kg front, 2300 kg rear. Pressures recomended by tyre manufacturer.
 
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Didn’t read Q.1 properly. It cost me 😬🤦‍♂️

You scored: 9 / 10

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"Almost perfect! Soooo close!"

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My understanding is, tyre pressures are normally given as a cold temperature, presumably forethought having been given to the pressures increasing as they warm up 🤷‍♂️ .Certainly on mine, a cold pressure of 80psi is recommended on the rears, [ 2240KG axle, tyres 225/70 R15 CP 112]
Front axle 1850kg. 61psi. Van total MAM 4090kg. Pressures as suggested from the calculator in " RiverBankAnnie" post.
Mike
I believe the definition of "cold" when it comes to checking tyre pressures is 20⁰ Centigrade. Cold temperature where we store our MH is about 8⁰ right now. If where you are is similar, and you inflate to your recommended temperatures, they will increase by about 10% when they reach 20⁰. When travelling in Spain in the summer we have had tyre temperatures into the high 30's on our Tyrepal.

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Nick, I have a Ring to pump up the tyres and carry a Michelin tyre pressure gauge to ensure a reasonably tyre pressure. I check the effectiveness of the Michelin tyre pressure gauge from time to time against the tyre pressure my son gets for his car from the supermarket gauge.
 
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