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Panhard Rods and Death Wobble
- 2013gary
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25 Apr 2018 09:16 #192140
by 2013gary
Panhard Rods and Death Wobble was created by 2013gary
Hi all,
I was wondering if anyone with experience can tell me how much the panhard rod bushes contribute to death wobble.
My 2001 Jimny JLX has had death wobble since I've owned it, particularly around the 40mph mark, despite me changing both kingpin bearings. Earlier in the year I had a bit of an accident and I bent the front panhard rod and this made it significantly worse (terrifying even at 25mph). I sourced a second hand panhard rod with fairly worn bushes and fitted that. The 25mph death wobble has gone, but the 40mph wobble is noticeably worse than before. It's fine if I can get to 50mph quick enough, but if not then I have to slow all the way down to about 20mph to stop the wobble!
So I'm going to order a HD front panhard rod with new bushes, but when I was looking at them I noticed that you can get a rear panhard rod as well. Could the rear panhard rod bushes be contributing to death wobble in any way? If that's the case then I might be better off replacing both panhard rods. I've had a good look at everything else at the front after the accident. The springs are fine, shocks are good and not leaking, and there's no leakage around any of the bearings so I don't THINK the death wobble could be because of the accident.
Thanks for your help
I was wondering if anyone with experience can tell me how much the panhard rod bushes contribute to death wobble.
My 2001 Jimny JLX has had death wobble since I've owned it, particularly around the 40mph mark, despite me changing both kingpin bearings. Earlier in the year I had a bit of an accident and I bent the front panhard rod and this made it significantly worse (terrifying even at 25mph). I sourced a second hand panhard rod with fairly worn bushes and fitted that. The 25mph death wobble has gone, but the 40mph wobble is noticeably worse than before. It's fine if I can get to 50mph quick enough, but if not then I have to slow all the way down to about 20mph to stop the wobble!
So I'm going to order a HD front panhard rod with new bushes, but when I was looking at them I noticed that you can get a rear panhard rod as well. Could the rear panhard rod bushes be contributing to death wobble in any way? If that's the case then I might be better off replacing both panhard rods. I've had a good look at everything else at the front after the accident. The springs are fine, shocks are good and not leaking, and there's no leakage around any of the bearings so I don't THINK the death wobble could be because of the accident.
Thanks for your help
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26 Apr 2018 02:23 #192186
by zukebob
I started out with nothing & still have most of it left
Replied by zukebob on topic Panhard Rods and Death Wobble
Bosanek condensed the death wobble thread into a good guide in the BigJimny wiki here:
Wiki Guide on Death Wobble
Wiki Guide on Death Wobble
I started out with nothing & still have most of it left
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26 Apr 2018 18:00 #192199
by Riccy
J999 MNY, ULYSSES M18 VVT with ITB's Dyno tested at 130hp
Pickup/tipper, R7me gearbox & 6.4 Rocklobster, 31" Toyo MT, 2x ARB air locker 3.9 diffs in braced axles, 6" total lift, Floating rear conversion, Raptor painted, CB, Recaro's, Caged, etc, etc...
www.youtube.com/user/riclemus
Replied by Riccy on topic Panhard Rods and Death Wobble
Be wary that some HD panhard rods are longer than the standard ones (check before buying). Then you need to mess about getting it centred properly (not easy!).
The front panhard bushes could contribute to the death wobble, but not in a major way. Rear will have no affect on wobble from steering, but would make the rear feel like its wandering/slipping when cornering.
Did you change the wheel bearings (front) yet? i notice they are not in your list above and are more likely to be an issue than the panhard bushes. loose rod ends on the steering bars can make it worse, but the bearings are a more likley candidate.
Then theres always the basics to double check as well - tyre pressures, tyre condition, wheel balancing/condition, warped brake discs, etc.
The front panhard bushes could contribute to the death wobble, but not in a major way. Rear will have no affect on wobble from steering, but would make the rear feel like its wandering/slipping when cornering.
Did you change the wheel bearings (front) yet? i notice they are not in your list above and are more likely to be an issue than the panhard bushes. loose rod ends on the steering bars can make it worse, but the bearings are a more likley candidate.
Then theres always the basics to double check as well - tyre pressures, tyre condition, wheel balancing/condition, warped brake discs, etc.
J999 MNY, ULYSSES M18 VVT with ITB's Dyno tested at 130hp
Pickup/tipper, R7me gearbox & 6.4 Rocklobster, 31" Toyo MT, 2x ARB air locker 3.9 diffs in braced axles, 6" total lift, Floating rear conversion, Raptor painted, CB, Recaro's, Caged, etc, etc...
www.youtube.com/user/riclemus
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02 May 2018 20:29 #192343
by kirkynut
The underdog often starts the fight, and occasionally the upper dog deserves to win - Edgar Watson Howe.
My Jimny Thread Here: www.bigjimny.com/index.php/forum/8-my-ji...on-continues?start=0
Replied by kirkynut on topic Panhard Rods and Death Wobble
Panhard rod bushes can cause Death Wobble on their own.
I put Super Pro nylon bushes in my new HD panhard rods when I replaced my seized ones, which needed adjusting for my new springs.
They were too hard and with no give in them, they transmitted everything into Death Wobble. I bought some softer nylon ones from the BigJimny Shop and they fixed it immediately.
I had replaced everything else up to this point in a front end re-build, so I knew it was nothing else.
Kirkynut
I put Super Pro nylon bushes in my new HD panhard rods when I replaced my seized ones, which needed adjusting for my new springs.
They were too hard and with no give in them, they transmitted everything into Death Wobble. I bought some softer nylon ones from the BigJimny Shop and they fixed it immediately.
I had replaced everything else up to this point in a front end re-build, so I knew it was nothing else.
Kirkynut
The underdog often starts the fight, and occasionally the upper dog deserves to win - Edgar Watson Howe.
My Jimny Thread Here: www.bigjimny.com/index.php/forum/8-my-ji...on-continues?start=0
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