Ok, the sticker on the side of my TT states the tires should be filled to 50 psi. Every time I take it to the dealer I get it back with over 70 lbs psi in the tires. Anyone have this happen to them on their rigs? When they fill them that much the trailer bounces all over the place when I hit any bumps or potholes. I drove it down to Florida and back with them at 50 psi and I a smooth ride the whole way. Am I missing something?

Never. You may have to talk with the service mgr if their messing with your tire pressure. Tires on a trailer need max pressures. Now if someone has over tired the trailer (E in place of a C) then you may need to use less pressure. rvsafety.com Tire Load and Inflation Ratings Note: Towable – Travel Trailer/ 5th Wheel owners Due to the severe use conditions experienced by tires when axles are very close together – tire industry experts recommend maximum (sidewall) inflation pressure for towable tires unless this causes a sever over-inflation situation (20psi+), often referred to as the ‘basketball effect’. If this is your situation allow a 10 – 15psi safety margin above the minimum required inflation pressure."<<<<<<<< Also a D or E tire at only 50 psi can run much hotter than the same tire at max pressures. If you checked them immediately after getting home they may have gained some pressure. I've seen my E tires (cold set to 80 psi) go to 92-94 psi after a hard run on a hot day.

Check you tire side wall. It will tell you the max on there. Run it. I'm betting it is 50 psi

ken07734 wrote:Ok, the sticker on the side of my TT states the tires should be filled to 50 psi. Every time I take it to the dealer I get it back with over 70 lbs psi in the tires.KenTires are to be inflated to the maximum pressure that it says on the tire. If someone at the dealer is inflating it to some other pressure, bring it to their attention and tell them that you want it to the pressure stated on the tire, and that they are not to mess with your pressures.Of course this is all assuming that you have the correct tires on the trailer in the first place. By correct I mean tires with the correct load capacity at that maximum pressure to suit the actual weight of your RV or the trailer GWVR, whichever is greater.

Be sure that you are checking the pressure with the tires cold. Also, double check your gauge against a known good one.I find it nearly impossible to get quality work done anymore. I took my truck to the dealer for a balance issue and they left air out of the tires. It was nearly 100 degrees and the tires were hotter yet. When they cooled the pressure was 8 lb too low.

Well, the tires came with the trailer when I bought it and the trailer is new. I assume (and I will double check) that the manufacturer would not install tires that are outside the specs of what is stickered to the side of the trailer. I always check them cold and I have used several gauges to make sure they are correct. The sticker says to fill max to 50 psi. I found (cold) that the tires were at 70 all around. I'm not getting why the tires would be filled past what the manufacturer requires. On my Truck it says 35 all around, I fill it 35 all around and the tire light stays off.

Tire Pressure | Good Sam Community

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JIMNLIN
Explorer III
Sep 06, 2013
Never.
You may have to talk with the service mgr if their messing with your tire pressure.

Tires on a trailer need max pressures. Now if someone has over tired the trailer (E in place of a C) then you may need to use less pressure.
rvsafety.com

Tire Load and Inflation Ratings

Note: Towable – Travel Trailer/ 5th Wheel owners Due to the severe use conditions experienced by tires when axles are very close together – tire industry experts recommend maximum (sidewall) inflation pressure for towable tires unless this causes a sever over-inflation situation (20psi+), often referred to as the ‘basketball effect’. If this is your situation allow a 10 – 15psi safety margin above the minimum required inflation pressure."<<<<<<<<

Also a D or E tire at only 50 psi can run much hotter than the same tire at max pressures. If you checked them immediately after getting home they may have gained some pressure.
I've seen my E tires (cold set to 80 psi) go to 92-94 psi after a hard run on a hot day.

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Tire Pressure

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