Big tire blues
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Laughing Gas
Joined: Jan 2012
Posts: 1,103
Likes: 1
From: Lakeland, TN
Where is the weight being stuck on during balancing? My local Discount Tire does Road Force balancing and the weight is put on along the inside edge of the spokes (nearly on the centerline of the wheel) with a couple of weights along the inner lip of the wheel. My tires are big and heavy and have none of the bounce you described. All my suspension components are pretty much new with the exception of ball joints (new springs, shocks, sway bar links, etc.). Another method that some of the off-road shops use on these bigger tires is the bead bags that they put inside the tire when mounting (can also be inserted through the valve stems). Once the vehicle is driven the bags break open and the beads dynamically balance the tires from that point on. I've never used them, and I've heard both good and bad from tire pros. You may also consider the possibility that you have a bad tire (manufacturing defect). Have you tried putting them on another vehicle to see how they ride?
Laughing Gas
Joined: Jun 2011
Posts: 1,223
Likes: 89
From: TN
Thread Starter
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Laughing Gas
Joined: Jan 2012
Posts: 1,103
Likes: 1
From: Lakeland, TN
Click this link for info on RFB: http://www.tirerack.com/wheels/tech/...jsp?techid=109
Thread Starter
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Laughing Gas
Joined: Jan 2012
Posts: 1,103
Likes: 1
From: Lakeland, TN
Click this link for info on RFB: http://www.tirerack.com/wheels/tech/...jsp?techid=109
Moderator
Joined: Jul 2010
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From: Media PA
A while back I was looking at one of those Chevy C5500 Monroe pickup bed conversion fifth wheel hauler trucks. While doing my investigation on it I found several conversations online about owners fighting similar balance/shake/vibration issues with the 19.5's mounted on Alcoa rims. Seems that monroe was just mounting them up with a quick simple balance job and shipping them out. Several folks had the issue taken care of with the above mentioned RFB, others still had the same problems after the RFB. Eventually a decent heavy truck tire shop fixed one owner's rig by "trueing" the tire on the rim, I can't recall the proper name for the service but apparently this is somewhat common on "big rig" tires, basically high spots on the tread face. This "trueing" service actually shaves the high spots down till the tire runs as a true circle. The owner who had been fighting the balance/shake/vibration for quite some time was thrilled with how smooth the ride was following the "trueing" service.
If Toyo doesn't treat you right on this it may be worth contacting a heavy truck tire shop or two to inquire about the service......
Good luck.
If Toyo doesn't treat you right on this it may be worth contacting a heavy truck tire shop or two to inquire about the service......
Good luck.
Thread Starter
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Laughing Gas
Joined: Jan 2012
Posts: 1,103
Likes: 1
From: Lakeland, TN
A while back I was looking at one of those Chevy C5500 Monroe pickup bed conversion fifth wheel hauler trucks. While doing my investigation on it I found several conversations online about owners fighting similar balance/shake/vibration issues with the 19.5's mounted on Alcoa rims. Seems that monroe was just mounting them up with a quick simple balance job and shipping them out. Several folks had the issue taken care of with the above mentioned RFB, others still had the same problems after the RFB. Eventually a decent heavy truck tire shop fixed one owner's rig by "trueing" the tire on the rim, I can't recall the proper name for the service but apparently this is somewhat common on "big rig" tires, basically high spots on the tread face. This "trueing" service actually shaves the high spots down till the tire runs as a true circle. The owner who had been fighting the balance/shake/vibration for quite some time was thrilled with how smooth the ride was following the "trueing" service.
If Toyo doesn't treat you right on this it may be worth contacting a heavy truck tire shop or two to inquire about the service......
Good luck.
If Toyo doesn't treat you right on this it may be worth contacting a heavy truck tire shop or two to inquire about the service......
Good luck.
Thread Starter
|
Laughing Gas
Joined: Jan 2012
Posts: 1,103
Likes: 1
From: Lakeland, TN
A while back I was looking at one of those Chevy C5500 Monroe pickup bed conversion fifth wheel hauler trucks. While doing my investigation on it I found several conversations online about owners fighting similar balance/shake/vibration issues with the 19.5's mounted on Alcoa rims. Seems that monroe was just mounting them up with a quick simple balance job and shipping them out. Several folks had the issue taken care of with the above mentioned RFB, others still had the same problems after the RFB. Eventually a decent heavy truck tire shop fixed one owner's rig by "trueing" the tire on the rim, I can't recall the proper name for the service but apparently this is somewhat common on "big rig" tires, basically high spots on the tread face. This "trueing" service actually shaves the high spots down till the tire runs as a true circle. The owner who had been fighting the balance/shake/vibration for quite some time was thrilled with how smooth the ride was following the "trueing" service.
If Toyo doesn't treat you right on this it may be worth contacting a heavy truck tire shop or two to inquire about the service......
Good luck.
If Toyo doesn't treat you right on this it may be worth contacting a heavy truck tire shop or two to inquire about the service......
Good luck.
Junior User
Joined: Aug 2013
Posts: 93
Likes: 0
Now running 285/70/19.5 Toyo M608z tires, which are 35.5 inch, 16 ply tires. Yes, they are hard as plastic and yes, they are rough riders. They weigh 95 lbs each and the wheels add 67 more lbs. The problem I'm having, I'll call "dribble". At about 45 mph, the fronts will begin to bounce and that can continue for a while, but you can accelerate out of it. Usually around 70 mph or so, it will smooth out completely. The tires are well balanced, so that's not it. I'm wondering of heavier shocks could help by dampening the bounce. I put a Bilstein steering stabilizer on which may have helped some. I have new Monroe Reflexes now, but they seemed soft even before I got these tires. Any thoughts, other than, "those are big hard tires" I'm already aware of that.
If this isn't the fix, I would suggest looking at your linkage, specifically the rod ends and the arm for excessive play. Even when you get everything sorted out, you may want to do this check fairly frequently, I'm thinking with those heavy suckers once you bump something the wrong way its going to throw a lot of things out of wack.
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Thread Starter
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Laughing Gas
Joined: Jan 2012
Posts: 1,103
Likes: 1
From: Lakeland, TN
Sounds like you've got it figured out with that one odd tire.
If this isn't the fix, I would suggest looking at your linkage, specifically the rod ends and the arm for excessive play. Even when you get everything sorted out, you may want to do this check fairly frequently, I'm thinking with those heavy suckers once you bump something the wrong way its going to throw a lot of things out of wack.
If this isn't the fix, I would suggest looking at your linkage, specifically the rod ends and the arm for excessive play. Even when you get everything sorted out, you may want to do this check fairly frequently, I'm thinking with those heavy suckers once you bump something the wrong way its going to throw a lot of things out of wack.
Thread Starter
|
Laughing Gas
Joined: Jan 2012
Posts: 1,103
Likes: 1
From: Lakeland, TN
A while back I was looking at one of those Chevy C5500 Monroe pickup bed conversion fifth wheel hauler trucks. While doing my investigation on it I found several conversations online about owners fighting similar balance/shake/vibration issues with the 19.5's mounted on Alcoa rims. Seems that monroe was just mounting them up with a quick simple balance job and shipping them out. Several folks had the issue taken care of with the above mentioned RFB, others still had the same problems after the RFB. Eventually a decent heavy truck tire shop fixed one owner's rig by "trueing" the tire on the rim, I can't recall the proper name for the service but apparently this is somewhat common on "big rig" tires, basically high spots on the tread face. This "trueing" service actually shaves the high spots down till the tire runs as a true circle. The owner who had been fighting the balance/shake/vibration for quite some time was thrilled with how smooth the ride was following the "trueing" service.
If Toyo doesn't treat you right on this it may be worth contacting a heavy truck tire shop or two to inquire about the service......
Good luck.
If Toyo doesn't treat you right on this it may be worth contacting a heavy truck tire shop or two to inquire about the service......
Good luck.
Thread Starter
|
Laughing Gas
Joined: Jan 2012
Posts: 1,103
Likes: 1
From: Lakeland, TN
Well I agree on the pain part, but the only route to a fix is to hope that somehow or other the tire wears into "round". Not likely, but I can hope.
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