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Suppliers/Dealers or anyone selling with a commercial view in mind CANNOT post here unless responding to a specific request of a member in a "wanted" post.
Suppliers include people "breaking for spares" on a regular basis, when purchasing spares members should ask a supplier what they contribute to the running of the forum particularly if contacted by a Private Message
Suppliers or Members who have contributed to the forum can be identifed by the logo.
Possible death wobble ?
21 Jul 2023 22:09 #249952
by oldgazzer
Replied by oldgazzer on topic Possible death wobble ?
Mine is front 24psi - rear 26psi
www.tyre-pressures.com/bycar/suzuki/jimny/2005
www.tyre-pressures.com/bycar/suzuki/jimny/2005
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21 Jul 2023 22:30 - 21 Jul 2023 22:34 #249953
by Scimike
Yokohama Geolanders, Sony head unit, NAUTILUS Air Horn, DRL conversion, Rear cargo space, Elvis Bobblehead, transfer Guard, Indian hanging Elephant, Koni Heavy track dampers, Custom SS exhaust, Voodoo Doll, Adventure Rack with LED ight bar, vintage ERIBA caravan usually attached (yes it's slow)
Replied by Scimike on topic Possible death wobble ?
Yep your tyre pressure is on the high side. 23-26 in front is around the mark.
NO you don't need to replace the axle.
Get the tyre balance checked first as above^^^^^
After that it gets a little more complex to resolve. The complete axle and steering component system all contribute to damping out any oscillation. Simply when new everything is tight, ball joints, bearings, even suspension dampers. Over time things start to get a little sloppy and in some instances, such as your kingpin bearings, they fail. These changes make the vehicle front end susceptible to oscillations, ie death wobble around the 45 -55 mark. So just fixing one item may /may not totally prevent the oscillation. Bumps in the road or changes in road surface can set the oscillations going.
So if everything looks in good order, bearings, ball joints and rubber bushes you can add preload washers to the kingpins bearings to compensate by adding a bit of "load" to this area. Alternatively you can fit a steering damper, or do both if required.
M
NO you don't need to replace the axle.
Get the tyre balance checked first as above^^^^^
After that it gets a little more complex to resolve. The complete axle and steering component system all contribute to damping out any oscillation. Simply when new everything is tight, ball joints, bearings, even suspension dampers. Over time things start to get a little sloppy and in some instances, such as your kingpin bearings, they fail. These changes make the vehicle front end susceptible to oscillations, ie death wobble around the 45 -55 mark. So just fixing one item may /may not totally prevent the oscillation. Bumps in the road or changes in road surface can set the oscillations going.
So if everything looks in good order, bearings, ball joints and rubber bushes you can add preload washers to the kingpins bearings to compensate by adding a bit of "load" to this area. Alternatively you can fit a steering damper, or do both if required.
M
Yokohama Geolanders, Sony head unit, NAUTILUS Air Horn, DRL conversion, Rear cargo space, Elvis Bobblehead, transfer Guard, Indian hanging Elephant, Koni Heavy track dampers, Custom SS exhaust, Voodoo Doll, Adventure Rack with LED ight bar, vintage ERIBA caravan usually attached (yes it's slow)
Last edit: 21 Jul 2023 22:34 by Scimike.
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24 Jul 2023 17:42 #249980
by neffy33
Replied by neffy33 on topic Possible death wobble ?
Hi everyone
I went to get the tyres aligned today and the tyres were slightly out of alignment which has been fixed .
I've taken the car for a drive and it is still doing the same thing .
Once you hit around 40mph it's doing its usually judder
There is no wobble .
Car does not judder when braking .
Although the tyres are alignmend it does veer to the left every so slightly.
What else could do this be ?
I went to get the tyres aligned today and the tyres were slightly out of alignment which has been fixed .
I've taken the car for a drive and it is still doing the same thing .
Once you hit around 40mph it's doing its usually judder
There is no wobble .
Car does not judder when braking .
Although the tyres are alignmend it does veer to the left every so slightly.
What else could do this be ?
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24 Jul 2023 17:48 #249981
by fordem
Replied by fordem on topic Possible death wobble ?
You want to balance the wheels, not alignment.
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24 Jul 2023 20:34 #249985
by neffy33
Replied by neffy33 on topic Possible death wobble ?
When I got the tyres fitted they did balance them but it seems like they obviously didn't do a good enough job.
If I go to the garage again and the balance is the issue will they mess up the alignment ?
If I go to the garage again and the balance is the issue will they mess up the alignment ?
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24 Jul 2023 22:50 #249986
by Scimike
Yokohama Geolanders, Sony head unit, NAUTILUS Air Horn, DRL conversion, Rear cargo space, Elvis Bobblehead, transfer Guard, Indian hanging Elephant, Koni Heavy track dampers, Custom SS exhaust, Voodoo Doll, Adventure Rack with LED ight bar, vintage ERIBA caravan usually attached (yes it's slow)
Replied by Scimike on topic Possible death wobble ?
Hi
No it won't change the alignment.
Balance and alignment are two separate things and adjusting one will not impact the other. Alignment simplified is how much the front wheels point in ( toe in ) or point out (toe out) in relation to each other, they are very rarely parallel. You adjust the track rods / ball joints on the steering rack to change this. Balance stops the wheel from shaking as it rotates, heavy spots are balanced by adding weights to the wheel.
YOu could try moving wheels front to back and see if this changes anything. If it does it's likely to be balance, but try to keep the same make of tyre on the front. I have experienced different tyre makes (hence different tread patterns) inducing a shake on perfectly balanced tyres.
No it won't change the alignment.
Balance and alignment are two separate things and adjusting one will not impact the other. Alignment simplified is how much the front wheels point in ( toe in ) or point out (toe out) in relation to each other, they are very rarely parallel. You adjust the track rods / ball joints on the steering rack to change this. Balance stops the wheel from shaking as it rotates, heavy spots are balanced by adding weights to the wheel.
YOu could try moving wheels front to back and see if this changes anything. If it does it's likely to be balance, but try to keep the same make of tyre on the front. I have experienced different tyre makes (hence different tread patterns) inducing a shake on perfectly balanced tyres.
Yokohama Geolanders, Sony head unit, NAUTILUS Air Horn, DRL conversion, Rear cargo space, Elvis Bobblehead, transfer Guard, Indian hanging Elephant, Koni Heavy track dampers, Custom SS exhaust, Voodoo Doll, Adventure Rack with LED ight bar, vintage ERIBA caravan usually attached (yes it's slow)
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