RA18 Vantra LT. Carrier. In 2014 I asked Michelin exactly what the ETRTO standards manual said about the CP suffix. I believe your new motorhome is a Burstner Lyseo TD Harmony Line 745 model, built on a Fiat Ducato heavy (Maxi) chassis (4250kg GVW) with 16-diameter alloy wheels. If the vehicle is parked for a long time, do not leave the tyres under inflated, and always make sure that the inflation pressures are correct before next, using the vehicle. Maximum Control: These tyres offer extra driving stability for rear-heavy camper vans. This link is to Continentals 2017.2018 Technical Databook, https://blobs.continental-tires.com/www8/servlet/blob/585550/e0854f2c7866c64da551474b998ef8b3/download-technical-databook-data.pdf. I found out the hard way with a full load and a trailer full of gravel from the quarry. Michelins on-line Tyre Safety Guide now advises as follows: Motorhomes require tyres are that are adapted to their conditions of use. fiat ducato camper tyre pressures 225 75r16. x290 Ducato 2.3 twin EGR version Oil Pressure Sensor Location. New. Fiat Ducato Manufacturers Correct and Recommended Tyre Pressure and Torque setting Fiat Ducato Maxi Manufacturers Correct and Recommended Tyre Pressure and Torque setting Fiat Ducato Motorhome Manufacturers Correct and Recommended Tyre Pressure and Torque setting Fiat Egea Manufacturers Correct and Recommended Tyre Pressure and Torque setting Simply enter your vehicle registration or make and model. Ideally, they should be 4psi above the cold pressure. Check your tyres regularly for your safety. Leo Valentino A tyre with a load-index of 112 indicates that it is capable of supporting a load of 1120kg at a defined pressure (in Dickybeaus case 80psi/5.5bar), but it stands to reason that, if the ACTUAL load on that tyre is WELL BELOW 1120kg, choosing to inflate the tyre to 80psi will be unnecessary (and will result in a harsh ride and quite possibly uneven tread wear). You have obviously been lucky with them in the past, but my experience was not good. Being a 5 star secured site, I was not allowed to enter by myself, so the customer had to meet me at the gate and let me in. fiat ducato camper tyre pressures 225 75r16. View and Download Fiat DUCATO owner's handbook manual online. but you need the axle weights for absolute correct pressures. Its interesting that a kPa value is shown on your tyres, as psi or bar have been used historically for tyre inflation-pressure and most people are familiar with one or the other (or both). | what to look out for. Mind you there was quite a crosswind coming home. Excellent condition with deep tread. Only 3 manufacturers (Continental, Michelin, Pirelli) currently offer CP-marked tyres. Get 5 star rated cover and big savings - for a quote simply click Online Quotation Advertisement Advertisement At the moment my tyres are at 5.5 Bar and will remain at that until I have a more accurate weight measurement. Michelin used to publish a light-commercial vehicle data booklet containing similar information to Continental's, but I dont think its still freely available to the general public. It would be interesting to see the actual wording applied to "Camping Car" tyres in the ETRTO standards manual - unfortunately I haven't managed (as yet) to find a free download of the same. This high performance tyre is engineered for safety (1) (2) (3) on all surfaces. It seems quite a bit different to the advise that Michelin USA give for RV tyres, different weight different pressures and non CP tyres, just the crossclimate though its ratings are the same for CP tyres. 225/75 R16 (1360kg min) TYRES Below are a few 225/75 R16 tyres that have a rating of at least 119 / 1360 kg each that will enable those with a "Heavy" variant (ie rim PCD 5x130mm) to achieve a rating of 2700 kg on your rear axle. of 3500kg, 4000kg, 4250kg or 4400kg. My Ducato 2.8 JTD tyres are 215/75R16C and the axle loadings are around 1680 kg front and 1740 kg rear. Tyre Pressure. Yes Derek, I missed the fact that the tyre was on a new van. Yes, it is a mite odd when a 118 load-index tyre is available. In use: check and adjust if necessary tyre inflation pressures monthly and before. But opting out of some of these cookies may have an effect on your browsing experience. However - according to this advert, https://tyres.rezulteo.co.uk/continental/vancontact-camper, it is only available with the following four specifications, Continentals VancoCamper (that has been around for quite a while) is apparently available with a 215/75 R16 116 R specification. I then gave 2900kg as a rough unladen weight, which brought the pressures down to 47 front and 51 rear. Ive also found a 2004 Michelin Van Tyres Fitments, Pressures and Technical Data booklet (that I thought Id chucked away). Do you think the dealer will know the correct pressure. Based on real weighbridge figures, however, I shall continue to run at pressures dictated by the tables for similar profile non-CP tyres, plus a margin of around 10%. Tyres had been inflated before outbound journey. X 4 Michelin Agilis motorhome tyres for sale. When I had the new tyre fitted last week I was asked what pressure I wanted in it. These cookies will be stored in your browser only with your consent. Digital air pumps (the best way to monitor pressures) are common at many large chain petrol stations and will automatically inflate to the number you have entered on their screen. So - if I were contemplating altering the pressures advised in the Ducato handbook for camping tyres and those tyres were Michelins - Id be comfortable using the Continental data for the rear tyres. Clear editor. Top-rated Plus seller. Given all that information I wonder if Tyresafe needs to change its advice or if the tyre manufacturer needs to alter its warning on the tyre sidewall? Absolutely. . OE LT225/75R16 116R 10PR . I have a Viseo Sovereign 700i. Unsure of your car's maximum towing capacity? highly positioned loads) and long-term periods of disuse. 2572212 | VAT Registration No. You'll see that the variables include the permissible axle loads, overall permissible weight, tyre brand and more. (despite any later recommendation of "CP"), and the implication that the implementation of CP tyres has been particularly oriented towards vehicles with driven rear wheels. Here, https://www.michelinrvtires.com/reference-materials/load-and-inflation-tables/#/. In that case tyre pressures are equal on the van if there is no tandem axle. He led me round to his storage . Hi all I have a 2002 elnagh marlin 65 motorhome on a 2.8td fiat ducato chassie does anyone know the correct tyre pressures for this van ?? Read all the reviews here. Chassis produced by Fiat Professional form the base of motorhomes owned by over 700,000 families who travel in Europe. Michelin rigidly follows the ETRTO's 2013 advice that includes the statement, "For these reasons, it is strongly recommended that motor-caravans are only fitted with CP-tyres.". The wording rather supports the theory I've always had; that the tyre manufacturers introduced a tyre with inherently greater capacity (at the raised pressures) than one might be led to believe from the load index in order to compensate for the endemic overloading of motorhomes, particularly the rear axle, thereby attempting to circumvent the reputational damage from having repeated tyre-failure on such vehicles. As I said, it's probably been discussed to death, but I was most interested in the wording of ETRTO's recommendations for Motorcaravan tyres, not some interpretation of it by either individuals or manufacturers. July 2, 2020 in Motorhome Matters. They do not signify the tyre manufacturer's pressure requirements for European use, nor should they override specific requirements stipulated by the manufacturer of any vehicle to which the tyre may be fitted. quotes Maxi Cab maximum permitted axle loads of Front axle: 2100 kg and Rear axle: 2500 kg, so theoretically OK for a motorhome up to 4400kg GVW (2100+2500=4600). AngelLaHash2023 One of today's jobs was to go to a storage site in Steyning to fit new 225/75R16 C Michelin Agilis Camper tyres to a motorhome. Is this correct or is there some reason the garage / previous owner had them at this pressure. such as the crown, which could lead to a rapid deflation. Drive for at least 20-30 minutes to ensure they have reached operating temperature and check again. I do not know whether that advice is still DVSA's approach but it strikes me as being reasonable. It may not display this or other websites correctly. This should give you suitable pressures until you can get your MH weighed and calculate more exact pressures. The front 2 were 75psi. Therefore, before changing the type of tyres, always consult either the vehicle or the tyre manufacturer. The 745s Gross Vehicle Weight (GVW) is 4250kg. AngelLaHash2023 We are aware of the variations between weigh bridges but we will not tolerate people that have checked the weight but continued even though the weight was clearly over the maximum permitted weight for that vehicle.". 89.90. JavaScript is disabled. Agilis CrossClimate. How to read your tyre size from your tyre sidewall. You must log in or register to reply here. Tyres Continental Vanco Camper 225 75 R16 CP. 139.95. Paste as plain text instead, Wheel Pattern 5 stud 5x118. Michelin have always recommended the maximum pressure in their tyres, and many of you will continue . So if your Ducato has 225/75-R16 stamped on the tyre sidewall, it means the tread is 225mm wide and the inner diameter is 16 inches. However, you cannot guarantee that the design , construction and composition of the tyre is the same, and that the operational properties of the tyre are the same under all conditions as the Continental. GB 638 3492 15. We deliver enhanced functionality for your browsing experience by setting these cookies. 225/75R16 tire pressure chart with maximum tire load capacity at determined tire inflation levels for 225/75R16 tires. By Posted on . Panel on the door says 72 PSI front and 79.5 rear. The rear axles could be a little lower than 55 but I would leave them as they are. My understanding is that the CP-marking may only be used on 8PR tyres (I assume this is a weird ETRTO diktat) so the 215/75 R16 116 R VancoCamper does not qualify. Change your phones orientation or view on a larger screen. It's also interesting to note "Tyres usually fitted to motor-caravans are of a "light commercial ('C' or CP)" type." For a better experience, please enable JavaScript in your browser before proceeding. Top-rated Plus seller. The advice from the professional engineer who advised on my weight upgrade was a tyre loading of 112. invisible stranding in knitting. Would this be because of the tag axle? These cookies do not store any personal information. The motorhome base vehicles are actually built by Fiat Professional for Europe's leading . What's been recalled and why. CarsGuide has published 2 expert reviews of the Fiat Ducato. That didnt include water in any tank but a full tank of fuel. When inflated to 79psi there seemed to be a marked improvement in handling. It is measured in bars or PSI (pounds per square inch). The tyre with a 118R load rating will almost certainly have a higher stated US/DOT maximum inflation pressure than the 116Q version, as the higher pressure will in part determine the tyre's load bearing ability. But, if you do as is regularly suggested on motorhome forums and provide the tyre manufacturer with weighbridge axle-load figures, you should anticipate that Michelin will quote a no choice 5.5bar pressure for your motorhomes rear tyres.). Very good condition (9mm tread on 2 tyres and 7mm tread . My post yesterday was not about what pressures I should run my tyres at, it was a comment on Michelin. I would be more concerned as to whether you have chosen a tyre compatible with the maximum permitted axle weights of your vehicle. 2023 LTEN - Life Sciences Trainers & Educators Network. All Rights Reserved. Tyre safe app says: 54 psi front and 80 PSI rear. Our automotive experts are here to help, If you're wondering, we've probably got the answer. Have the condition of the tread and sidewall checked regularly (for impact. CP-type tyres have been designed to cater for the higher loads imposed by motor-caravans, especially when fitted in single formation on the rear driven axle (also see following comments below referring to the service description). USA e Internacional Verenigd Koninkrijk Duitsland Spanje Frankrijk Itali Nederland Belgi Australi Canada I dont know if Michelin (UK) still produces the hardcopy handbook and, as far as Im aware, there are no Michelin on-line files containing axle-weight-based pressure recommendations for Agilis Camping tyres. Unlike VanContact Camper its designated a summer tyre and is not M+S, 3MPSF, nor CP marked. and, for anyone who doesn't want to trawl through it, the bit I was interested in is this: Tyre use and maintenance for motor-caravans (or motor homes). I had the 2004 booklet and this included inflation-pressure data for XC Camping tyres across a range of axle weights. The tyre fitter said they should only go up to 75. I am now using my MH all year round. Bigjohn I doubt anyone can give you a definitive answer to your question. Existing users click here to access your account, UCONN,Q707091118,, University of Connecticut, Florida,Q707091118,"#,University of Florida, |MUQ707091118/ Miami University Oxford, Iowa,Q707091118,, University of Iowa, UChicagoQ707091118,,University of Chicago. Tyre sizes are 215/75R 16 C on a burstner motorhome weight 5000kg. However, thats not a hard-and-fast rule as it's become a buyer expectation (at least outside the UK) that a new coachbuilt motorhome should have CP-marked tyres as standard irrespective of the base vehicles manufacturer. Just a note. 3PMSF certified for safe traction, braking and grip on snow (1) Im going to be checking wear rates though and measuring tread depth as we go. Engine: 158 hp. Paste as plain text instead, That isnt far off my rear tyre pressure and too low for bigger vans. Trying to relate the USA tyre scene to the European one is like comparing American football with rugby - its a different ball-game. The load on the tyre must not exceed its maximum limit for any reason, i.e. This tyre placard recommends a minimum tyre pressure of 65psi for the Fiat Ducato. I also have a 5 tonne MAM Burstner Tag Axle and due to the layout, I can easily go well over the front axle weight limit of 2,000 Kg. In that case you're running over 90% of max load all the time with just the wife, water, gas, diesel and a few small provisions on board so those pressures sound about right .. just make sure the tyres fitted can take that pressure. You also have the option to opt-out of these cookies. Ask questions in the forums, fix common issues using our helpful guides, upload your photos to the gallery or buy and sell with the online classifieds. Your tyre pressures are as follows : Disclaimer: Based on data provided by HaynesPro. Thanks both not much info about agree on that and Im aware its dependent on different factors but needed a starting point. This is equal to 450kPa and 4.5bar. and the attached file shows the values for a Continental 225/75 R16 CP 116 tyre. Wheel Pattern 5 stud 5x118. If your planning on pumping to 80 psi make sure your valves are up to it a lot of tyre centers put in car valves and they burst at these pressures. Vanco Camper. How To, off-road tips and adventure travel destinations, Not just utes. For these reasons, it is strongly recommended that motor-caravans are only fitted with CP-tyres. A fine balance you might agree. Tyres usually fitted to motor-caravans are of a "light commercial ('C' or CP)" type. case in vendita a catania, zona ognina picanello Facebook procura speciale per ricorso in cassazione fac simile Twitter penske automotive italy fatturato Google Plus Started 4 minutes ago, Copyright Warners Group Publications Plc. Any tyre pressure markings on a tyre's sidewall are for North American legal requirements only. (see Note 1 against Single Rear). Ive never had difficulty obtaining front-axle pressure-to-weight advice from Michilin for Agilis Camping tyres and, when Ive done so, there was little difference between the Michelin advice and what was on Continentals on-line chart for an equivalent VancoCamper tyre. The Continental data you attached was sent to me when i was corresponding with them over my previous van, and in any case, their databook is available online. It's the rear axle that gets overloaded, even with front wheel drive. We have a Ducato Mulivan 150 van conversion with 225/75 R16 Michelin X Green Eco light truck tyres The imprinted Max Speed and Cold Pressure on the tyre wall is stated as116km/h at 80 psi.. I was also amused to note that the FIAT CoC for my 'van shows homologation with 225/75 R16C tyres (front and rear axle, though I doubt it actually left the factory with a rear axle :-) ) The intermediate Al-Ko CoC has homolgation with a plethora of sizes, in both "C" and "CP" versions, and the Hymer CoC is again homologated with 225/75 R16C tyres, but slightly different spec to the Fiat CoC. Will let you know what pressures are quoted for the vehicle when we get it. bigjohnthecat has a pair of wheels on each end of the axle) and only RWD motorhomes will have a twinned wheel rear axle. Started 4 minutes ago, Copyright Warners Group Publications Plc. Under-inflation can be dangerous: for example, for the tyre size 225/70R15 Camping CP, an under-inflation of 0.5 bar/7.2psi. You may choose to do this, but aside from insurance issues, there may be construction and design differences, and you cannot guarantee that under hot/cold/wet/dry/bumpy/ high speed/low speed/severe braking/cornering etc conditions that the tyre will act the same. The "CP" marking is merely a designation to enable the tyre to be identified as a motorhome tyre as opposed to a "C" marked van tyre or even a car tyre of the same size. For a better experience, please enable JavaScript in your browser before proceeding. How do I know when my car needs new tyres? There is some "motherhood and apple pie" text afterwards, which does include advice to use the pressures in the vehicle/chassis handbook. I would run them at 70/75 psi. The entries for the XC Camping pattern had a footnote recommending that for Continental European vehicles the rear-tyre pressure should be 5.5bar. if they are Conti tyres have a scan through this its around page 70++ for CP tyres. Worth looking at the Brstner website to see if you can download the manual for your van. What version of the Sovereign do you have? 20 years or so ago, when Michelin began to market the XC Camping range of tyres targeting the motorhome market, there was a liaison between Fiat and Michelin, with Fiat offering a "Camping-Car Package (CCP) comprising specialised spring-units/dampers and XC Camping tyres. fiat ducato camper tyre pressures 225 75r16. Copyright 2004-2021 Motorhomer Ltd. All rights reserved - Motorhomer is a trademark of Motorhomer Ltd. 16 FULL SIZE STEEL SPARE WHEEL AND 225/75R16 TYRE RIM PCD:5118 BRAND NEW TYRE 121/120 FITTED AND BALANCED PLEASE NOTE: THIS WHEELS ARE 5118 pcd (stud pattern) - but some models are fitted with 5130 pcd to check your stud pattern please measure distance between bolts centre to centre next to it (not across) Sorry, we differ here. I checked the tyre pressures on my Ducato motorhome today. GB 638 3492 15. . These cookies are required to enable core functionality such as security, network management, and accessibility. The cost was 5 for an official note or free if I only wanted them written down. Our caravan tyre range is available to buy online and can be fitted at a date and time that suits you . Note: This advice is only to be used as a guide. This is a tad lower than the Fiat figures of 59 and 65. Tire Pressure. GWM Ora Standard Range 2023 review: snapshot, Volkswagen Caddy 2023 review: Cargo petrol, Hyundai Santa Fe 2023 review: Active diesel long-term | Part 3, Mazda BT-50 2023 review: XTR long-term | Part 5, Ford Everest 2023 review: Ambiente 4x4 Bi-Turbo - off-road test, Mitsubishi Outlander Plug-in Hybrid EV 2023 review: Exceed - off-road test, Mazda BT-50 SP 2023 review: off-road test, Ford Everest 2023 review: V6 Sport - towing test, Kia EV6 2023 review: GT-Line AWD long-term | Part 2. This provides inflation-pressure-to-axle-load values for each tyre size and the data are identical for Agilis 81 white van tyres and XC Camping motorhome' tyres that have the same specification. Company Registered in England no. Find many great new & used options and get the best deals for FIAT DUCATO CAMPER NEW WHEEL AND NEW MICHELIN TYRE 225/75/R16 CB at the best online prices at eBay! Although front axle is not carring the same weight when braking downhill or heavy braking on level the weight transferred to the front axle can temporarily exceed its permitted rating, hence the recommendation to have 5.5 all round. Ithink the discussion has probably already ranged rather too far. It may not display this or other websites correctly. For example, Hymer gave me front and rear tyre pressures which are different to those Alko gave me which are different to the ones Michelin gave me which are different to the ones I received when I keyed the axle loadings into: https://www.tyresafe.org/check-your-pressures/motorhomes/. Hi Keith many thanks for that I will check tomorrow. Totally agree with wak, or the method I used with my previous van was the weighbridge fully loaded and then apply the individual axle weights to this site. We also use third-party cookies that help us analyze and understand how you use this website. 16" MOTORHOME SPARE wheel and balanced tyre to fit Fiat Ducato or Peugeot Boxer - 90.00. According to the manual recommended tyre pressures are Front : (215/70 R15 CP) 5.0 bar. Search your Size. They weighed the front axle, rear axle and gross vehicle weight. axle stands to avoid tyre contact with cold winter surfaces (concrete, stone ). My last post re: USA website, further to that the tyres quoted Agilis Crossclimate are French made so are the same tyres as in Europe. Only done 5k miles. 2023 Carsguide Autotrader Media Solutions Pty Ltd. All rights reserved. If in doubt, I should up the pressures. of the normal pressure of 4.75 bar for example. Our database has the answer, Everything you need to know to keep you and your family as safe as possible, Helpful advice before you finance your next car, Tips for getting the right insurance and how to make a claim, Everything you need to know when sizing up your new car. CHECK. the, The ETRTO also states that where CP tyres are used on the rear axle, (single fitment), they must be inflated to a pressure of 5.5 bar instead. Are motorhomers being conned. As youve been unable to get from Michelin the type of information available from Continental and you are reluctant to apply the Continental data to your Michelin tyres, there seems no alternative but to stick with the 5.5bar (F & R) recommendation in the Fiat handbook. The 475kPa is quoted on the new tyre alongside the 116Q which in my mind means that is the maximum weight and pressure which is lower than the tyres on my present M/H. Others might (quite validly) feel differently. I loaded the motorhome up to the travelling weight fuel, water etc and went to my local public weighbridge. fiat ducato camper tyre pressures 225 75r16fiat ducato camper tyre pressures 225 75r16fiat ducato camper tyre pressures 225 75r16 Similarly, the maximum load capability of the tyre will be lower than that stated on its sidewall if you choose to reduce its inflation pressure from that recommended. There are push fit ones rated to 100psi but noone seems to have them: The internet's #1 online community and oracle for all things FIAT since 2002 - if we don't have the answer, no-one does! Most motorhomes or campervans have a sticker inside the door stating the recommended tyre pressures but this is missing on ours. Display as a link instead, chp commercial vehicle inspection locations; salt protection prayer; helena obituaries helena mt; alastair mactaggart net worth; A series of fortunate events July 20, 2020. Im still on 15inch wheels but with 225/70 R15 tyres which carry a heavier loading. 16" STEEL SPARE WHEEL AND 225/75R16 TYRE FITS FIAT DUCATO (2014-PRESENT DAY) New. Four Season. By Your previous content has been restored. As their Cross-Climate tyres are not CP-marked, Michelin will feel 'compelled' to advise that these tyres are not fitted to motor caravans, though they can, of course, be fitted to equivalent weight (or heavier) 'white vans' as that won't conflict with the ETRTO's guidance. fiat ducato camper tyre pressures 225 75r16. Arrived back home from our trip. This website uses cookies to improve your experience while you navigate through the website. (11%) is equivalent to an overload of around 100 kg per tyre. If you have an account, sign in now to post with your account. My tyre pressure warning light is on, what should i do? My 2015 Rapidos Michelin Agilis Camper tyres (215/70 R15CP) are marked. Using Michelin Agilis 215/75R16 CP 113R the 2,000 Kg axle weight is carried by BOTH tyres, that is 1,000 Kg per tyre. When I fitted mine I checked the height between the rear jacking points and ground level with the van empty, loaded it to its max 3850 then pumped the airbags up to achieve the same ground clearance. Rear: 5.5 bar. The tyre sidewall says that it is only rated at 112 with tyre pressure at 5.5 Bar. Re your air bag pressures? As an experiment I dropped the pressure down to 65psi (4.5bar) which did make the ride slightly softer. Started 3 minutes ago, By 2,500+ local fitting partners. 2572212 | VAT Registration No. Hi. One tyre was within a smidge of 3mm on every one the other 3.5mm. Since I use French Aires and German equivalent most of the time, I need to carry water for basics like washing up and cleaning behind my ears or whatever the wash facilities in the van are for. Never replace tyres with those of a lower speed rating or lower load capacity. south glens falls school tax bills mozart: violin concerto 4 analysis mozart: violin concerto 4 analysis The contract for oriiginal equipment (OE) tyres for Fiat chassis destined for motorhome conversion has alternated between Continental and Michelin and, to the best of my knowledge, Fiat has never fitted Pirelli CP-marked tyres as OE. Check. (Obviously you dont HAVE to inflate your motorhomes Michelin tyres beyond the 475kPa shown on the tyres sidewall, even though its near certain that a 5.5bar (550kPa) pressure will be advised in your motorhomes handbooks for both front and rear tyres. You are using an out of date browser. With the tyres I have fitted - Continental (225/70 R 15C 112/110) - on my Pilote on a Ducato base and with front axle 1560kg and rear axle 1940kg, confirmed fully laden by a weighbridge, the recommended pressures are 47psi front and 61psi rear. Don't guess, it's your only contact with the road. Free Postage. choose our fully fitted service. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. BUY WITH CONFIDENCE. In 2019 Michelins advice for their Agilis Camping tyres was as given here, https://www.motorhomefun.co.uk/forum/threads/michelin-agilis-tyre-pressures.193967/. 1500 lbs: 1650 lbs: 1790 lbs: 1940 lbs: 2060 lbs: 2190 lbs: 2335 lbs: 2440 lbs: 2560 lbs: 2680 lbs: 2787 lbs: I have a link to a 2011 USA Michelin tyre data book which has some useful data but note the USA call 'C' tyres 'LT' for Light Truck. 245/70R16. 15" Fiat Ducato Motorhome 2006-2022 Full Size Spare Wheel & 215/70 R15 Tyre. Always consult your vehicle handbook for your exact recommended pressures. C Caravadossi New member Joined Cant see Torque settings? Car tyre pressure is measured by calculating the amount of air that has been pumped into the inner lining of your tyre in pounds per square inch (PSI) or BAR pressure. All Rights Reserved. When you know what the axle loads are in full camping trim, full fuel, water, clothes, pots and pans, then you can look up the tyre pressures needed for your make and spec of tyre.