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Showing results 1 to 50 of 2773
Search took 0.18 seconds. Search: Posts Made By: Tireman9
Forum: Ford Motorhome Chassis Forum 04-18-2024, 04:07 PM
Replies: 38
Views: 2,007
Posted By Tireman9
This post shows the need for recording the part...

This post shows the need for recording the part numbers of various replacement parts for an RV such as oil and air filters and any belts as you know that these parts will require replacement...
Forum: Trailer Towing and Tow Vehicles Discussion 04-18-2024, 04:02 PM
Replies: 26
Views: 1,908
Posted By Tireman9
If the vibration is new it could be an early sign...

If the vibration is new it could be an early sign of belt detachment. You should take the truck to a General tire dealer and ask for an inspection. You can also do a basic check yourself. With a tire...
Forum: Class C Motorhome Discussions 04-15-2024, 08:10 AM
Replies: 7
Views: 381
Posted By Tireman9
Not sure if I agree with the statement of limited...

Not sure if I agree with the statement of limited storage. Here is our 22QB (which has a slideout) when new. I have added a spare tire mount and tire, and carry an electric bike, 2 folding chairs,...
Forum: iRV2.com General Discussion 04-07-2024, 05:02 PM
Replies: 59
Views: 4,182
Posted By Tireman9
When returning from East or West on I90 in...

When returning from East or West on I90 in Northern Ohio there are a number of dump stations on the Ohio Turnpike. They charge $20 a night w/hookup but that includes the use of the dump station....
Forum: Class A Motorhome Discussions 03-22-2024, 10:01 AM
Replies: 55
Views: 8,986
Posted By Tireman9
I have confirmed with 3 other tire engineers that...

I have confirmed with 3 other tire engineers that the most likely reason for this condition is significant overload/under inflation.
Forum: Class A Motorhome Discussions 03-17-2024, 10:31 AM
Replies: 55
Views: 8,986
Posted By Tireman9
Completely different failure mode so IMO a...

Completely different failure mode so IMO a completely different reason.
Forum: Class A Motorhome Discussions 03-17-2024, 10:27 AM
Replies: 55
Views: 8,986
Posted By Tireman9
Yes "Zipper" failure is the term for what...

Yes "Zipper" failure is the term for what normally occur in the upper sidewall of steel body tires that have been run with significant loss of air. Many times that means the tire was run 50 to 90%...
Forum: Class A Motorhome Discussions 03-15-2024, 09:12 AM
Replies: 55
Views: 8,986
Posted By Tireman9
Well I may not have expressed myself with...

Well I may not have expressed myself with sufficient detail, Usually lower sidewall cracking is evidence of running a tire in overload.

Since tire load capacity and inflation are directly...
Forum: iRV2.com General Discussion 03-14-2024, 03:40 PM
Replies: 48
Views: 8,831
Posted By Tireman9
While parking on different surfaces can have some...

While parking on different surfaces can have some impact on tire life I am MUCH more concerned with the tire loading and inflation.


Can the Op provide the numbers requested in post #13?


It...
Forum: Class A Motorhome Discussions 03-12-2024, 10:08 AM
Replies: 55
Views: 8,986
Posted By Tireman9
What is the PSI reading on the TPMS? What is the...

What is the PSI reading on the TPMS? What is the low pressure setting on the TPMS for the front tires?
I do not find this condition in the tire industry manual for tire conditions and causes.
Forum: iRV2.com General Discussion 03-07-2024, 07:13 PM
Replies: 32
Views: 4,505
Posted By Tireman9
Glad you like the blog. There is a search box...

Glad you like the blog. There is a search box (upper left) that will find single or multi word in post.


To the question of what we look for on interior.
Cracks and discolorations can lead us to...
Forum: Tiffin Owner's Forum 03-05-2024, 07:20 PM
Replies: 20
Views: 1,716
Posted By Tireman9
Any tire selected MUST be able to support the...

Any tire selected MUST be able to support the measured load on the tires. Your Certification sticker tells you the GAWR which should never be exceeded.
Forum: Tiffin Owner's Forum 03-03-2024, 09:52 AM
Replies: 17
Views: 1,011
Posted By Tireman9
I am a little uncomfortable with the statement...

I am a little uncomfortable with the statement that you lowered the air pressure.


The Load Inflation tables give the MINIMUM inflation not the "optimum" or "best" inflation.
Lower PSI will...
Forum: Tiffin Owner's Forum 03-03-2024, 09:48 AM
Replies: 17
Views: 1,011
Posted By Tireman9
If a tire has not been damaged or ever driven on...

If a tire has not been damaged or ever driven on after losing 20% of the required inflation I would agree with Michelin.:dance:
Forum: Tiffin Owner's Forum 02-13-2024, 06:20 PM
Replies: 17
Views: 1,011
Posted By Tireman9
Are you sure you want / need to lower your tire...

Are you sure you want / need to lower your tire pressure?
Doing so will reduce your margin and probably reduce the long term tire life, as the closer you get to matching the actual minimum pressure...
Forum: Tiffin Owner's Forum 02-13-2024, 06:08 PM
Replies: 17
Views: 1,011
Posted By Tireman9
I would not be too concerned with a slight...

I would not be too concerned with a slight difference between a good hand gauge and the reading on a TPMS. If you review specs on TPMS systems you should find statements of the accuracy to be about...
Forum: Tiffin Owner's Forum 01-31-2024, 06:48 PM
Replies: 16
Views: 1,878
Posted By Tireman9
Try contacting rv company and give them the vin

Try contacting rv company and give them the vin
Forum: Class C Motorhome Discussions 01-21-2024, 05:15 PM
Replies: 51
Views: 5,884
Posted By Tireman9
So the tire was definitely not the same "Size"...

So the tire was definitely not the same "Size" which is what I covered in my blog post.
Forum: Class C Motorhome Discussions 01-20-2024, 04:55 PM
Replies: 51
Views: 5,884
Posted By Tireman9
Ok so exactly what was the cause of the problem...

Ok so exactly what was the cause of the problem of 1 tire wearing faster. It was good that the dealer is replacing tires but It would be good to have a clear accurate and detailed answer from the...
Forum: Class A Motorhome Discussions 01-08-2024, 03:51 PM
Replies: 60
Views: 5,299
Posted By Tireman9
One reason balancing tires on spin balancer is...

One reason balancing tires on spin balancer is better than just using beads is that you can measure and confirm Radial Runout



https://lambdageeks.com/how-much-tire-runout-is-acceptable/
Forum: Class A Motorhome Discussions 01-04-2024, 02:58 PM
Replies: 60
Views: 5,299
Posted By Tireman9
You may have discovered the problem with "balance...

You may have discovered the problem with "balance beads". Your tire can be "in balance" but "shake" can come from out of round.
I proved this by "balancing a cinder block" and posted on my RV Tire...
Forum: Tiffin Owner's Forum 01-04-2024, 12:24 PM
Replies: 16
Views: 1,878
Posted By Tireman9
Follow post #6 in this thread :thumb: until you...

Follow post #6 in this thread :thumb:
until you learn the actual tire loading for YOUR RV as I think we can guarantee that your loading is different from what others have on their RV.:eek:


Or...
Forum: Class A Motorhome Discussions 01-03-2024, 09:25 AM
Replies: 67
Views: 12,786
Posted By Tireman9
I didn't see your original post in Oct. I trust...

I didn't see your original post in Oct. I trust that you have learned that the data portion of the serial is on the other side of the tire. i.e. last 4 digits.
Forum: Class A Motorhome Discussions 01-03-2024, 09:16 AM
Replies: 67
Views: 12,786
Posted By Tireman9
It's unlikely that there was a temperature...

It's unlikely that there was a temperature "spike". The physical evidence of high temperature can be seen with good picture of the interface surface of the tire.
It would help if you could post a...
Forum: iRV2.com General Discussion 12-28-2023, 03:50 PM
Replies: 74
Views: 14,929
Posted By Tireman9
Maybe you need to watch the TV shows showing the...

Maybe you need to watch the TV shows showing the searches done on some cars and trucks driven in from the South. Most of the illegal drugs are brought in by people driving cars across the border or...
Forum: iRV2.com General Discussion 12-28-2023, 03:44 PM
Replies: 74
Views: 14,929
Posted By Tireman9
Searching the RV is similar to searching your...

Searching the RV is similar to searching your luggage when you arrive by air.
Forum: 5th Wheel Discussion 12-23-2023, 09:04 AM
Replies: 54
Views: 6,702
Posted By Tireman9
While in theory some of what you say is correct I...

While in theory some of what you say is correct I do have to wonder why you are more interested in tire wear than belt durability? Belt detachment is a direct result of increased Interply Shear....
Forum: 5th Wheel Discussion 12-20-2023, 09:16 AM
Replies: 54
Views: 6,702
Posted By Tireman9
Based on what test data?

Based on what test data?
Forum: 5th Wheel Discussion 12-20-2023, 09:15 AM
Replies: 54
Views: 6,702
Posted By Tireman9
I once was tasked with adding a LR-E tire to a...

I once was tasked with adding a LR-E tire to a line of LT tires that already had a LR-C and LR-D. The only thing I had to change to meet all the strength and endurance requirements was the "Bead...
Forum: Class A Motorhome Discussions 12-19-2023, 02:38 PM
Replies: 47
Views: 3,688
Posted By Tireman9
"1 psi for 10F" is reasonable for passenger...

"1 psi for 10F" is reasonable for passenger tires inflated to 36 psi. Tire Rack used that in the past till I contacted them with the correction. I have a post with the mathematical proof in a post...
Forum: Class A Motorhome Discussions 12-18-2023, 08:59 AM
Replies: 47
Views: 3,688
Posted By Tireman9
"Max" pressure is misnomer

The PSI on a tire sidewall is the pressure that will deliver the highest approved load capacity on that tire.


IT IS NOT THE MAXIMUM OR HIGHEST PRESSURE THE TIRE CAN TOLERATE.


What is...
Forum: Class A Motorhome Discussions 12-17-2023, 03:11 PM
Replies: 47
Views: 3,688
Posted By Tireman9
If by "Overinflated" are you claiming that is a...

If by "Overinflated" are you claiming that is a bad thing? If so what is your Tire Engineering source that would support your opinion?


If however you are just pointing out that 100 PSI at 80F is...
Forum: Class A Motorhome Discussions 12-16-2023, 11:39 AM
Replies: 48
Views: 4,872
Posted By Tireman9
I thought this "problem" was resolved. Two...

I thought this "problem" was resolved. Two different tires were placed together as a dual pair. This will almost always result in one tire wearing much faster and could result in a tire failure
Forum: 5th Wheel Discussion 12-16-2023, 11:37 AM
Replies: 54
Views: 6,702
Posted By Tireman9
Not sure what extra safety you think you are...

Not sure what extra safety you think you are getting. The tires performance and durability is based on its operating inflation.
I see no reason to expect better durability from a LR-E at 70 psi vs...
Forum: 5th Wheel Discussion 12-14-2023, 07:31 PM
Replies: 54
Views: 6,702
Posted By Tireman9
As an actual tire design engineer with 40+ years,...

As an actual tire design engineer with 40+ years, I can tell everyone that MudFrog is correct with what he says in this post.
Forum: Class A Motorhome Discussions 12-14-2023, 06:29 PM
Replies: 48
Views: 4,872
Posted By Tireman9
I have a couple posts on my blog on proper...

I have a couple posts on my blog on proper "Matching" of tires in Dual application.
In addition to being the same brand and tread design and same Load Range and having the same inflation pressure...
Forum: Entegra Owner's Forum 12-09-2023, 06:17 PM
Replies: 70
Views: 5,169
Posted By Tireman9
I am running the only direct comparison of 2...

I am running the only direct comparison of 2 different TPMS on my RV (have never found anyone else doing similar evaluation) I have posted both PSI and Temperature results on my RVTireSafety blog.
Forum: 5th Wheel Discussion 12-09-2023, 06:14 PM
Replies: 54
Views: 6,702
Posted By Tireman9
inflation

By Federal Regulation, every RV comes with a "Certification Label" which has tire type, Size and Load Range. Also GAWR and the inflation required by the tires to support 110% of GAWR.


If your...
Forum: Newmar Owner's Forum 12-06-2023, 01:07 PM
Replies: 87
Views: 11,133
Posted By Tireman9
Your opinion is still incorrect.

Your opinion is still incorrect.
Forum: Newmar Owner's Forum 12-05-2023, 10:32 AM
Replies: 87
Views: 11,133
Posted By Tireman9
With VERY FEW exceptions (maybe less than 1%) ,...

With VERY FEW exceptions (maybe less than 1%) , ALL tire companies follow the same Load Inflation tables for a given type, size and load range.


So you can follow the info on the tables published...
Forum: Newmar Owner's Forum 12-02-2023, 09:27 AM
Replies: 87
Views: 11,133
Posted By Tireman9
If you follow the instruction to "Check the...

If you follow the instruction to "Check the inflation on the morning or each travel day" your "Example" can never happen.:banghead:


But if you want we can go off the deep end and I could point...
Forum: Newmar Owner's Forum 12-01-2023, 02:02 PM
Replies: 87
Views: 11,133
Posted By Tireman9
"Max what?

I'm sorry Larrkin (post #51) but the DOT has stated that it is the responsibility of the coach builder to inform the purchaser via the Certification Label of the correct inflation for the provided...
Forum: Entegra Owner's Forum 11-30-2023, 08:26 PM
Replies: 70
Views: 5,169
Posted By Tireman9
I have used Tiretraker for 10 years. I like their...

I have used Tiretraker for 10 years. I like their lifetime warranty.
I have been running the only direct comparison of two different systems and have published the results to test comparison numbers...
Forum: Newmar Owner's Forum 11-30-2023, 07:46 PM
Replies: 87
Views: 11,133
Posted By Tireman9
In over 40 posts it is to be expected that there...

In over 40 posts it is to be expected that there will be a mix of correct and less than accurate information. It can be a challenge to figure out which information to trust and which to set aside....
Forum: iRV2.com General Discussion 11-23-2023, 09:12 AM
Replies: 137
Views: 24,523
Posted By Tireman9
IMO showing the current psi and not the last hot...

IMO showing the current psi and not the last hot reading should be normal. How else would you confirm the tires have the correct "cold" pressure? This re-set to the current psi also is a...
Forum: iRV2.com General Discussion 11-22-2023, 05:06 PM
Replies: 137
Views: 24,523
Posted By Tireman9
I have written in my blog that every person...

I have written in my blog that every person should test their TPMS at least once a year to be sure it is working as advertised and as they think it should. That way there would be no confusion.
I...
Forum: Newmar Owner's Forum 11-19-2023, 10:27 AM
Replies: 98
Views: 13,406
Posted By Tireman9
I would consider tubes as just band-aids to allow...

I would consider tubes as just band-aids to allow the tires to support a vehicle for minimal use. Not for use on any Interstate travel. If tires show signs of under-inflation and they had punctures...
Forum: Newmar Owner's Forum 11-10-2023, 12:52 PM
Replies: 98
Views: 13,406
Posted By Tireman9
I do not understand what data StateFarm has that...

I do not understand what data StateFarm has that indicates that Coker Tire does not make DOT approved tires. Is StateFarm saying that Coker tires do not meet current DOT specs?
If you call them...
Forum: Class A Motorhome Discussions 11-09-2023, 05:14 PM
Replies: 40
Views: 7,053
Posted By Tireman9
I followed the info on that situation, Learned a...

I followed the info on that situation, Learned a few things.
Inflation was specified by Ford (26 psi? )and was low enough that an Explorer with 5 passengers resulted in the tires being overloaded...
Forum: iRV2.com General Discussion 11-05-2023, 04:08 PM
Replies: 137
Views: 24,523
Posted By Tireman9
Sounds like your unit was not properly programed...

Sounds like your unit was not properly programed for your tire pressures.
Based on my years of testing I can recommend either TireTraker or TST.


See post #105 in this thread.
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