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Old 03-12-2017, 01:36 AM   #1
Join Date: Jan 2017
Location: somewhere over the rainbow
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Engine: international 3800 t444e 7.3L
best way to replace bad tire in duelly rear axle?

my rear axle is the kind with 2 tires on each side. the inner driver side tire has a bubble on the sidewall so i need to replace it. both of the tires on that rear driver side are the oldest tires. older by about 2 years than any of the others, they are 6 years old.
considering that otherwise, all the tires look like they have plenty of rubber life left on them, is it ok to just buy a single used tire with the same size and replace it? or do i have to replace both of those back there on that side because they roll together?
when it rains it pours; ive had to do so much work on this bus lately its gonna be really hard to budget in a decent tire or two.
thank you all so much for your help, and also any advice to help me change them out as well.
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Old 03-12-2017, 05:09 AM   #2
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8 years old is what most folks consider the life of a tire, skoolies will never wear out tire tread during service life due to lack of miles driven, most tires die due to age.
Yes you can replace just one tire, consider getting a used tire and steel wheel to put on bus, this will give you an emergency spare tire even with the bulge it can get you to safety especially on the rear with 3 others helping out

This is just my .02 and a disclaimer saying safety first
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Old 03-12-2017, 07:05 AM   #3
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you can change them yourself, it can be a real p i t a. i know your budget is tight but consider buying two new tires for the front and replace the bad one with one of the old one's and keep the other as a spare.if you go to a tire shop ask what they use to change the tire then go to harbor freight and get the tools there, basicaly a few big steel bars. good luck
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Old 03-12-2017, 07:37 AM   #4
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deflate the tire with the bubble before you begin to try and remove the rim from the bus..

make sure before you move any front tire t othe rear that it is an all-position tire.. (meanrt to be used as a steer(front) or a drive(rear)).

all the tires on the rear axle should be exactly the same size.. differing sizes can wreak havok on tire wear, driveability, and the gears in the axle..

I always thought the lifespan of a tire was 10 years before it "ages out".. obviously a damaged tire must be replaced..

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Old 03-12-2017, 09:23 AM   #5
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Tires can be a lot like people...some wear out/age out quicker than others. UV can wreak havoc on otherwise "good tires". If the sidewalls show cracking and splitting, it is definitely time for a change. And tire covers can make a big difference if a rig spends most of its' life parked, especially down south.
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Old 03-12-2017, 10:19 AM   #6
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I know tires a costly, but if your going to use your bus, you should really try and get some good tires, having a blow out , or just getting stranded with a flat won't be fun, and the cost will be a lot more. There are some good prices out there. You have to safe when out on the road.
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Old 03-13-2017, 02:01 AM   #7
Join Date: Jan 2017
Location: somewhere over the rainbow
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Year: 2000
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Engine: international 3800 t444e 7.3L
i know how to check the date codes, and i know im looking for 225/70/19.5 because thats what all the tires are. how do i know when i am looking at a used tire to replace the bad one that it is designed to be a drive or an all-position tire?
also, my 1.25" lugnuts are recessed into my hub several inches. would i need to get a 3/8 inch socket wrench along with an extension and socket to get those off? if so, would this configuration allow the use of a cheater bar? or maybe a breaker bar instead? i will also probably need a large wrench and socket to change out that axles leaking wheel seal as well?
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Old 03-13-2017, 07:13 AM   #8
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You're going to need something a little more manly than 3/8 sockets. 1/2 is likely too small as well, I'm sure they will hold up if you have a quality set, and a good breaker bar. I used a 3/4 impact to take the nuts off one of my fronts, (someone put them on VERY tight). (I added an onboard air tank to my brake/suspension system just to have a large volume of air when needed. I like the idea of being able to change a tire myself when needed.)
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Old 03-13-2017, 07:18 AM   #9
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This is what the truck stop uses, I want one!
1 in. Industrial Pinless Air Impact Wrench

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Old 03-13-2017, 08:45 AM   #10
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I've been wanting one of these for removing lug nuts:

The tool can be used with a torque wrench if you add the internal resistance (something like 15%).
In the mean time, my 3' breaker bar does just fine.

That fella's pair of gloves are way to clean to be a mechanic
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