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- Gen 4 SZ5 Alloy wheels and 215/75/15 Toya Tyres - Balancing proving challenging
BigJimnyMeet (North) 2024 (12 Jan 2024)
14th July 2024
Parkwood Nr. Leeds
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Gen 4 SZ5 Alloy wheels and 215/75/15 Toya Tyres - Balancing proving challenging
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Decided to take my car to a trusted mechanic who has done work for me before after doubting the competence of the mobile fitter.
However same problem. Mounting the wheel was challenging and he too was "chasing the weight". What appeared to be the biggest problem was that the stick on weights on the outside of the wheel could not be applied far enough out. For testing purposes he stuck weights on the outside of the wheel and was able to balance ok but trying to stick weights in the inside of the wheel so not visible when mounted was very difficult.
So I think I did a disservice to the mobile fitter and have come to the conclusion given the wheels have a large offset this makes applying the weights to the correct part of the wheel difficult. Of course could use old fashioned weights fitted on the outside of the tyre but not keen as it would damage the alloys and encourage corrosion.
Anyone else had similar issues?
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Temeraire (2018 quasar grey automatic)
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www.devon4x4.com/wheels-tyres-and-access.../tyre-balancing.html
Its a bag that gets put inside the tyre with small plastic beads in to a certain weight. Fit tyre as normal but dont balance. Instead take it for a drive. The bag will burst after a short drive and the beads are free to spread around and balance the tyre. You get a very quiet noise when moving really slowly from the beads moving about, they then spread out once up to speed.
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- Andy2640
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wjamieson wrote: Anybody had problems balancing their new tyres? I've purchased 215/75/15 Toya's and at about 65mph get some vibration. When the tyres were fitted they indicated some challenges mounting the wheel to the balancing machine but advised that it was all fine. I did not take my car back to the original installer as it was not particularly convenient so stumbled across a local mobile fitter. He too had a problem mounting the wheel but said it was ok and balanced one wheel, the spare wheel. He was very much "Chasing the weight" and took about 5 goes and resulted in about 15 stick on weights being applied. At the end of this it was reporting 0 5 so ok but was concerned about the amount of weights and how difficult it was. So opted not to do anymore.
Decided to take my car to a trusted mechanic who has done work for me before after doubting the competence of the mobile fitter.
However same problem. Mounting the wheel was challenging and he too was "chasing the weight". What appeared to be the biggest problem was that the stick on weights on the outside of the wheel could not be applied far enough out. For testing purposes he stuck weights on the outside of the wheel and was able to balance ok but trying to stick weights in the inside of the wheel so not visible when mounted was very difficult.
So I think I did a disservice to the mobile fitter and have come to the conclusion given the wheels have a large offset this makes applying the weights to the correct part of the wheel difficult. Of course could use old fashioned weights fitted on the outside of the tyre but not keen as it would damage the alloys and encourage corrosion.
Anyone else had similar issues?
Which toyo's did you go for bud?
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Often one must loosen the tire on the rim and turn it 90 or 180 degrees on the rim to achieve lesser need for balancing weights. Also if the design of the rims and the offset makes it difficult to avoid balancing weights to the outer edge, then I think you may have to accept them.. All my large tires have them.
Seems better to use steel wheels on larger rubbers like 31" but I have had that and 325 60 15 as well all balanced on alloy wheels for my SJ.
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- stiffsteve204me
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Lambert wrote: Another thing that is probably of little use now the tyres are fitted is that all new tyres will have a small yellow dot somewhere on the sidewall. This is a marker of the lightest part of the tyre and allows the tyre to be fitted with this mark against the valve on the rim, offsetting the weight and making the assembly easier to balance. It's why brand new cars have hardly any balance weights from the factory. It seems that most tyre fitters either don't know or don't care about this even if it would actually save them time and money.
I did not know that, Lambert - so I had to go out to the Jimny, and have a look.
OSR
OSF
There is, also, a red dot.
The yellow dot, is, as you say, along side the valve on each wheel.
Steve.
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Steel wheels are rolled and welded together, and they won't be perfectly round, so the lowest point is marked with a punch mark, or a coloured dot on the rim. My gen 3 had blue dots on the rims.
If the rims are marked, the red dot is lined up to the rim marker, ignoring the yellow, as this makes the wheels have less radial run-out, and gives a better rotating balance.
If they aren't, the yellow dot goes by the valve, which helps with static balance.
I assume that as the wheels are cast, and have to be machined round, that it isn't much trouble to make them properly round to the locating holes in the first place, so they don't have any measurable radial run-out, so they aren't marked. (Rather than the less charitable explanation thatSuzuki couldn't be bothered testing and marking them )
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stiffsteve204me wrote:
Lambert wrote: Another thing that is probably of little use now the tyres are fitted is that all new tyres will have a small yellow dot somewhere on the sidewall. This is a marker of the lightest part of the tyre and allows the tyre to be fitted with this mark against the valve on the rim, offsetting the weight and making the assembly easier to balance. It's why brand new cars have hardly any balance weights from the factory. It seems that most tyre fitters either don't know or don't care about this even if it would actually save them time and money.
I did not know that, Lambert - so I had to go out to the Jimny, and have a look.
OSR
OSF
There is, also, a red dot.
The yellow dot, is, as you say, along side the valve on each wheel.
Steve.
There's a whole heap of useful information out there. I'm just grateful for this forum for allowing us to share it. Bigjimny Rocks!
Temeraire (2018 quasar grey automatic)
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facade wrote: The red dot is the point of "greatest harmonic force" = the highest point of the tyre when it is rotating.
Steel wheels are rolled and welded together, and they won't be perfectly round, so the lowest point is marked with a punch mark, or a coloured dot on the rim. My gen 3 had blue dots on the rims.
If the rims are marked, the red dot is lined up to the rim marker, ignoring the yellow, as this makes the wheels have less radial run-out, and gives a better rotating balance.
If they aren't, the yellow dot goes by the valve, which helps with static balance.
I assume that as the wheels are cast, and have to be machined round, that it isn't much trouble to make them properly round to the locating holes in the first place, so they don't have any measurable radial run-out, so they aren't marked. (Rather than the less charitable explanation thatSuzuki couldn't be bothered testing and marking them )
Thanks for saving me typing that out. But I have quoted it so it has a chance to sink in. Thank you.
Temeraire (2018 quasar grey automatic)
One of the last 200ish of the gen3s, probably.
ADOS Attention Deficit Ooooh Shiny!
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- Gen 4 SZ5 Alloy wheels and 215/75/15 Toya Tyres - Balancing proving challenging