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Tire Pressure Q

TCCamperNoob
Explorer
Explorer
Hi All, I'm new to all this truck camper stuff. I recently went out on the road and had my tires filled to Ford/tire requirments cold (75 rear, 60 (front). All said and good, right? However, on the road my tires got up over the max pressure of 80psi, like 81-82. Is this normal or should I set cold temp lower? I'm using Wildpeal A/T3W tires LT275/70R18. Any advice would be appreciated. TIA
18 REPLIES 18

Lwiddis
Explorer II
Explorer II
Basic procedure..fill tires to desired pressure cold.
Winnebago 2101DS TT & 2022 Chevy Silverado 1500 LTZ Z71, WindyNation 300 watt solar-Lossigy 200 AH Lithium battery. Prefer boondocking, USFS, COE, BLM, NPS, TVA, state camps. Bicyclist. 14 yr. Army -11B40 then 11A - (MOS 1542 & 1560) IOBC & IOAC grad

Kayteg1
Explorer II
Explorer II
The door label display universal values, what not always work with TC.
For perfect inflation, go to the scales and get your axles weight, than having the load go to tire manufacturer site for inflation chart.
High pressure raise after driving indicate lot of moisture in the tires, or lot of heat due to tire overload, but 5 psi raise is nothing to worry about.

n0arp
Explorer
Explorer
Those are cold inflation pressures, they are going to go higher as the tires warm up. Perfectly normal.
2000 Country Coach Magna 40',
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2020 Jeep Wrangler Unlimited Rubicon 2.0T, cloaked on 37x13.5s

corvettekent
Explorer
Explorer
Set the tire pressure cold. Yes they will go up as they warm up but that is OK.
2022 Silverado 3500 High Country CC/LB, SRW, L5P. B&W Companion Hitch with pucks. Hadley air horns.

2004 32' Carriage 5th wheel. 860 watts of solar MPPT, two SOK 206 ah LiFePO4 batteries. Samlex 2,000 watt Pure Sine Wave Inverter.