Can't get 37" MT's to seat the bead - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 02-14-2012, 10:56 AM   #1 (permalink)
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Can't get 37" MT's to seat the bead

I have a set of aluminum 16.5x9.75 wheels that I am trying to mount a set of the Goodyear Military 37x12.50R16.5 OZ tires to mount on. I have the tires on the wheels, but the sidewalls are so tough they won't push out enough to seal up and take air. I wish I had a picture, but am at work until tomorrow.
I need to push the beads out close to 3 inches to get them to seat/seal up. I have tried a ratchet strap around the circumference of the tire and the starting fluid /flame technique with no luck. What size wheels are you guys running with these tires other than H1's and any advice would be very appreciated.
Thanks
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Old 02-14-2012, 11:01 AM   #2 (permalink)
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When I get the hard ones like this I take them to the tire shop. The guy I go to charged me $10 for all 4 when I brought my 42's in. They have better tools to take care of these problems.
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Old 02-14-2012, 02:34 PM   #3 (permalink)
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I actually did go to a local truck tire shop and they tried everything they had including "Truck Blaster". They recommended I tube them which I don't want to do.
Thanks for the reply
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Old 02-14-2012, 03:41 PM   #4 (permalink)
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I used something like this:
http://www.amazon.com/Tubeless-Radia.../dp/B002KN04C4

but sized for a 16-17" rim when mounting up the 9R16 XL's I put on my M725. Had similar issues getting the beat close enough to the rim so that it would hold air and seat. That thing will fill that gap and pop out (run forest run) when the bead finally seats.
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Old 02-14-2012, 03:49 PM   #5 (permalink)
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This is going to sound dumb, but how about some heavy duty balloons? Stuff them in the tire and start filling them with the compressor. Maybe they would hold the bead out enough to get it to take air.

I'm just thinking out loud, I don't know if that would work or not.
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Old 02-14-2012, 04:34 PM   #6 (permalink)
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Wedge a piece of wood in between the beads in a few places to spread them apart. Leave them in the sun or heat them up if you can.

Cocking the wheel so that you can close up the gaps some is helpful. Pull the schrader valve out and use a always open clip on chuck so you can use both hands to manipulate the tire. Sometimes you can use a tire spoon or big wrench to partially seat a bead too.

You can inflate a bicycle inner tube against the bead to fill big gaps too.
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Old 02-14-2012, 04:38 PM   #7 (permalink)
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Originally Posted by owenst7 View Post
Wedge a piece of wood in between the beads in a few places to spread them apart. Leave them in the sun or heat them up if you can.
lol. i just went through this today. putting a set of 18 inch tires onto some nissan suv. these sidewalls were so smashed they looked like they been sitting at the bottom of a tire pile for 8 years. and tried for 30 minutes on a tire machine

and as was instructed above is what got them out. stand on the inside bead, pull the tire up to you an put a 4x4 piece of wood in there that will barely fit and let it sit. i got away with doing it for about 30 minutes but barely, i got lucky. but yeah if you arent in a hurry let it sit like that for a day or so
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Old 02-14-2012, 08:32 PM   #8 (permalink)
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Here you go..

Inflate a Tire with Liquid Fire TRICK - YouTube
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Old 02-15-2012, 05:46 AM   #9 (permalink)
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Wedge a piece of wood in between the beads in a few places to spread them apart. Leave them in the sun or heat them up if you can.

Cocking the wheel so that you can close up the gaps some is helpful. Pull the schrader valve out and use a always open clip on chuck so you can use both hands to manipulate the tire. Sometimes you can use a tire spoon or big wrench to partially seat a bead too.

You can inflate a bicycle inner tube against the bead to fill big gaps too.
x3...... i have had to do this myself. let them sit and get nice and hot in the sun with the blocks in place. then only remove the blocks as you mount each tire.

the other thing i've done is to force seat the lower bead onto the the rim bead ring using the tire machine. only certain machine rotary types of tire machines will do this though.
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Old 02-15-2012, 06:16 AM   #10 (permalink)
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Here you go..
x2. always works for me!
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Old 02-15-2012, 06:47 AM   #11 (permalink)
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Take them to a truck tire shop and let them put a Cheetah Tank on it. About the only safe way to get them to seat. The ether trick works too if you aren't putting Airsoft BBs in for balance like I did, but after fighting with mine for a day, I happily paid a truck shop $50 to mount my 5.
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Old 02-15-2012, 06:50 AM   #12 (permalink)
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x2. always works for me!
OP said he tried it. I've had it not work a few times, some tires just don't want to be mounted.

What about putting a tube in and setting the beads, or at least air it up until the back bead seats. Break one bead, remove the tube, and put the valve stem back in. With one bead seated you should be able to push the tire down enough to get the other side to seal.
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Old 02-15-2012, 06:56 AM   #13 (permalink)
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Take them to a truck tire shop and let them put a Cheetah Tank on it. About the only safe way to get them to seat. The ether trick works too if you aren't putting Airsoft BBs in for balance like I did, but after fighting with mine for a day, I happily paid a truck shop $50 to mount my 5.
I quit messing with my own tires a while ago for the most part. My guy charges me $20 to mount and air up 4 tires as long as I help him out with moving them around. He's an older guy, 42's are a bit much for him anymore. I still do 33" and under Radials myself, anything bigger or Bias ply goes to him.
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Old 02-15-2012, 12:41 PM   #14 (permalink)
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Most truck tire or equipment tire shops have this stringy thick ass looking greese stuff the pack into large gaps. As the tire fills up it pushes it out.

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Old 02-15-2012, 12:49 PM   #15 (permalink)
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before trying to mount on rims, i put innertubes in mine, filled them up till the sidewalls were somewhat ballooned out then let them sit in the sun for a day, worked great
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Old 02-15-2012, 04:05 PM   #16 (permalink)
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heres a picture of the wood technique i had to do yesterday



and the stupid part was that thing was stretched out ready to go. but the guy whos car we bought these tires for (hes a wholesaler we do alot of work for him) decided to buy another tire but told him to take this one back, and the new tire was just as jacked up so told him to take his car back again and bring it back tomorrow after the new one is stretched out over night
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Old 02-15-2012, 04:33 PM   #17 (permalink)
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16.5 tires suck as they have no safety bead to hold the tire on the rim in the event they lose air. Whenever I have trouble with them I put a flow through chuck on the valve stem. I then place the wheel on a 5 gallon bucket with the front of the wheel facing down. Doing this makes the gap be on the backside of the wheel which usually results in a much smaller gap. A quick blast of air with the cheetah usually gets it. Whenever you do get them seated make sure you keep a good amount of air in them as 16.5s love to pop off the bead if the pressure gets too low. People that work at tire shops love people that put the blocks of wood in between the beads on tires that are crushed.
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Old 02-15-2012, 04:46 PM   #18 (permalink)
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You can also use the starting fluid method with the tire/wheel face down on the bucket as well.
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Old 02-15-2012, 05:26 PM   #19 (permalink)
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When i had my GY military 37's mounted at the shop they had a hell of a time getting them to seat also. took 2 guys, one blasting with the cheetah and one filling on the valve. still took them a few tries per tire
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Old 02-15-2012, 05:31 PM   #20 (permalink)
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You can also use the starting fluid method with the tire/wheel face down on the bucket as well.
Ding,ding,ding.


The ether trick DOES require one bead to be resting against the rim.
( not rim/tire lying on ground )
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Old 02-15-2012, 05:59 PM   #21 (permalink)
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Quote:
Originally Posted by jenks21 View Post
Most truck tire or equipment tire shops have this stringy thick ass looking greese stuff the pack into large gaps. As the tire fills up it pushes it out.

Jenks
Gorilla snot, used to use this stuff all the time when I was busting tires
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Old 03-06-2012, 10:40 AM   #22 (permalink)
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I used a 16" bicycle tube. works but takes some time. I keep it in the rig just in case I pop a bead.
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Old 03-08-2012, 06:17 AM   #23 (permalink)
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O.K. I'm ignorant. If you use a full size tube to seat a stubborn bead. Why would you remove it?
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Old 03-08-2012, 06:33 AM   #24 (permalink)
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long (er) ago, tireshops had those really thickwalled tubes that went between the rim and the bead in question, sealing the gap. after one bead was seated, the other one just slowly pushed the lubed up tube out as the tire inflated......

point being, we made one out of foam pipe insulation, taped into a donut for placing in the bead to help seal it, and it does nearly get smashed but always gets pushed out.

if that makes any sense, always worked for us.
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Old 03-08-2012, 07:45 PM   #25 (permalink)
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try harder
(this is setting the same combo you are asking about)
Setting the bead of a tire using FIRE !! (starting fluid) - YouTube
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