Outer Limits 4x4 Board

I went out the other day an on returning to the bitumin I found my car had developed a horrible shake in the front end starting at around 50 kmh

I checked the castor bushes and they looked a bit iffy so I had new onee pressed in and the shaking still remained

I then rotated my tyres to check if I have thrown a weight and had a look in the disc rotors for any mud and the shake is still there.

I then checked all the steering linkages and they were fine,

I am lost as to what it may be, any sugestions....My next thing I was going to look at was tie rods but I dont htink that would be the cause

If it's a GQ, then replace the Panhard Rod bushes. I had a similar problem which developed after a trip out west. New panhard Rod bushes fixed it and have had no problem for the past 12 months. Cost about 60 bucks and an hours work but you will need some kind of a press to change the bushes. Let us know if this fixes it.

Onya.

Jim.

also check the panhard rod mount to the chassis, I snapped mine (its an early patrol) they strengthened them up in the later ones. but mine was torn off it is was just plain scary when it let go. I had it repaired by my mate who an engineer and had another cross member fitted similar to what it looks like under a landcruiser, very happy with it now.
cheers
Tom

u can press the bushes in with a vice, defo the cause of most of the shakes, how ever this all stems from castor, get your castor sorted if its out, press new bushes in and check your wheel bearings, failing that, look on the inside of the rim for mud i know its silly but its amasing what a big chunk of mud can do to your trucks wheels

Yep cooki is right. It all comes back to your castor. The only real way to fix your castor and drive angles back to standard on a lifted truck is by running drop boxes. And if you can, put a high steer arm and lift your panhard rod by what ever you lifted your suspension. Gets rid of the bump steer and allows you to run a tighter front end without alway correcting it on the highway/bumps.

If you go 4x4ing alot your bushes will just wear from binding (just keep replacing them). If you have an adjustable panhard rod check it is still tightly locked at the bolt (rear aswell). Check your king pins and if needed remove a shim. DONT run big offsets on your front as it puts too much pressure on your bearings and they start wearing the cone shape on your hub out of round and causing play. But sounds to me like main culperate is panhard bush's.

Don't forget about wheel alignment, if its out it will also cause the GQ death wobble

The wheel alignment doesnt usually go out of what unless someone has played with it. Being a solid bar.

TheBigBoy wrote:,................ wearing the cone shape on your hub out of round and causing play. But sounds to me like main culperate is panhard bush's.

ya what hey?? Do you mean in the bearings cone surface? and or in the actual hub? and how?

TheBigBoy wrote:The wheel alignment doesnt usually go out of what unless someone has played with it. Being a solid bar.

Off course it does, maybe you dont fourbie very hard. I've come home from a fourbie trip with the steering wheel upside down or pulling hard to one side and at the same time the front end will be shaking at 90km. Wheel alignment fixes it.

Geez you must 4x4 hard!!!! Sure something isnt slipping

351ciofgrunt wrote:

TheBigBoy wrote:The wheel alignment doesnt usually go out of what unless someone has played with it. Being a solid bar.

Off course it does, maybe you dont fourbie very hard. I've come home from a fourbie trip with the steering wheel upside down or pulling hard to one side and at the same time the front end will be shaking at 90km. Wheel alignment fixes it.

have had that 2

Hmm I must have just been lucky. I dont even remember welding it up in my old comp truck.