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Open Roads Forum  >  Travel Trailers  >  General Q&A

 > TT tire pressure - sticker or tire PSI?

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Timeking

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Posted: 09/15/20 06:39am Link  |  Quote  |  Print  |  Notify Moderator

After sitting in driveway for a year, one D rated tire blew. The replacement was E rated; however, the installer said to inflate the tire to the 80 psi on the sidewall of the new E, not the sticker which is 65 psi. So now I am confused.

Dick_B

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Posted: 09/15/20 06:59am Link  |  Quote  |  Print  |  Notify Moderator

You are not alone. If it was mine I would go by the tire pressure because how does the sticker know what tires are installed after the RV is shipped. Waiting for an expert answer.


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valhalla360

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Posted: 09/15/20 07:07am Link  |  Quote  |  Print  |  Notify Moderator

Do you mean you have 3 D rated tires and 1 E rated tire?

If yes, you need to seriously consider replacing the other 3. The other 3 are likely at the end of their life if the one blew out sitting in the driveway. Especially at the higher pressure, it will create an inconsistent reaction to bumps going down the road which could cause issues with the handling and/or suspension.

Assuming all 4 were replaced, I would go with the tire manufacturers recommendation over the trailer sticker...but the sidewall lists the MAXIMUM allowable pressure. You can go lower but not too low (manufacturer should give details on selecting pressure). Of course, if all 4 are at the same higher pressure, shouldn't be as big of a concern.


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Timeking

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Posted: 09/15/20 07:20am Link  |  Quote  |  Print  |  Notify Moderator

yes, 3Ds and the 1 E. The one D blew out AFTER the trailer sat for a year, and we took a short 30 mile trip to check things out. Also, I'm in FL and it is HOT. That is when it blew, luckily at the campground we were going to stay 2 nights, not on the highway or on the driveway.

Also, to complain, the mobile tire guy charged me $139 mounting fee on top of the tire cost, with Good Sam roadside insurance paying the "rest".

Sjm9911

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Posted: 09/15/20 07:52am Link  |  Quote  |  Print  |  Notify Moderator

How old are the tires? And I wouldnt mix and match ratings or type. Did you need an e rated tire? I would also use the tire info, as its diffrent now that you changed it. This is going to be a long thread with lots of opinions. Lol.


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Bobbo

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Posted: 09/15/20 07:56am Link  |  Quote  |  Print  |  Notify Moderator

If the tire blew sitting, it was aged out. The others are all the same age. I would replace the other 3 with the same tire you already have put on. Otherwise, you are playing Russian Roulette. A tire blowing at 60+ mph can do a lot of damage to your trailer. A LOT!


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Timeking

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Posted: 09/15/20 08:05am Link  |  Quote  |  Print  |  Notify Moderator

Didn't blow out on driveway, but after 30 mile trip.

Tire date is 0817, so 3 years old, which makes sense since this is a 2018 TT.

The sticker says D tire. Good Sam guy installed an E. I figured E was better than D, but at this point I didn't have any choice: he was here, he had a tire that fit, I had no spare. Dumb me.

The spare that came with the trailer was an old C rated tire, which I intended to replace the day I found out, but due to covid insanity, family insanity, and my own insanity, forgot to take care of it.

I'm thinking I should put all my D tires to 65 per sticker and on tire sidewall, like I have done for the previous 7000 miles. And pump the E tire up to 70 and hope for the best.

valhalla360

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Posted: 09/15/20 08:54am Link  |  Quote  |  Print  |  Notify Moderator

Timeking wrote:

Didn't blow out on driveway, but after 30 mile trip.

Tire date is 0817, so 3 years old, which makes sense since this is a 2018 TT.

The sticker says D tire. Good Sam guy installed an E. I figured E was better than D, but at this point I didn't have any choice: he was here, he had a tire that fit, I had no spare. Dumb me.

The spare that came with the trailer was an old C rated tire, which I intended to replace the day I found out, but due to covid insanity, family insanity, and my own insanity, forgot to take care of it.

I'm thinking I should put all my D tires to 65 per sticker and on tire sidewall, like I have done for the previous 7000 miles. And pump the E tire up to 70 and hope for the best.


Put the E on the spare tire rim and get a new D if the others are only 3yrs old and appear to be in good condition otherwise...but keep a close eye on the others and plan in about 2-4yrs replacing the other 3 regardless of miles.

When you did the 30mile trip, did you check the pressure before departure? Was there any sign of a nail or other road damage causing the failure?

time2roll

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Posted: 09/15/20 09:38am Link  |  Quote  |  Print  |  Notify Moderator

Timeking wrote:

I'm thinking I should put all my D tires to 65 per sticker and on tire sidewall, like I have done for the previous 7000 miles. And pump the E tire up to 70 and hope for the best.
I am thinking three more E tires all at 75-80 psi.


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Terryallan

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Posted: 09/15/20 10:05am Link  |  Quote  |  Print  |  Notify Moderator

valhalla360 wrote:

Timeking wrote:

Didn't blow out on driveway, but after 30 mile trip.

Tire date is 0817, so 3 years old, which makes sense since this is a 2018 TT.

The sticker says D tire. Good Sam guy installed an E. I figured E was better than D, but at this point I didn't have any choice: he was here, he had a tire that fit, I had no spare. Dumb me.

The spare that came with the trailer was an old C rated tire, which I intended to replace the day I found out, but due to covid insanity, family insanity, and my own insanity, forgot to take care of it.



I'm thinking I should put all my D tires to 65 per sticker and on tire sidewall, like I have done for the previous 7000 miles. And pump the E tire up to 70 and hope for the best.


Put the E on the spare tire rim and get a new D if the others are only 3yrs old and appear to be in good condition otherwise...but keep a close eye on the others and plan in about 2-4yrs replacing the other 3 regardless of miles.

When you did the 30mile trip, did you check the pressure before departure? Was there any sign of a nail or other road damage causing the failure?


3 years is the life of a trailer tire that sits alot. I have blown 3 trailer tires perfectly aired up. All 3 were at the beginning of their 3rd year. I will never again run a triler tire into it's 5th year.


Terry & Shay
Coachman Apex 288BH.
2013 F150 XLT Off Road
5.0, 3.73
Lazy Campers


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