Violent Vibrations

[discodaddi]

My 1996 Disco vibratesin a consistant pattern on and off at 3 second intervals between 55-65 mph. After 65 mph vibration is still there but not as bad but very obivious. If brake hard above 65 vibration is almost uncontrollable. I have aligned, balanced tires, bought new rim. Help me!!!!

[fruitpunch]

Propshafts ? did you have a look at them ? Tire Size ? Lifted ?

[landrover77]

How old are the tyres? Could need replacing.

MY 1995 Disco will Vib from time to time in that interval.
I've read that the driveline U-joint can wear, causing that Symptom.
Though (for me) its at lower speed 5-25 mph. And rarely apparent,
which isn't to say that you dont have a worse case of this?

The other thing worth mentioning based on the fact that your vibing and braking are likely connected: you could have rotor/brake pad issues:
a stick or metal "flake" (for lack of a better word) in your pad or stuck on
your rotor(s). Which at least in my mind seems logical to cause brake
and Vibrations particularly at high speed.

Lastly, take notice at lower speed. Is anything different?
Does one side or tyre react differnt to braking?
Good Luck!

[singingcamel]

could also be your tie rod ends. wobble when going over bumps?is it in the steering wheel or the whole truck?

[Rafterman]

Hi all,

Fist post here, just buying a '95 Disco and I am stoked, but I noticed in the test drive a shimmy in the steering wheel right around 100 kmph on the highway - it seemed to fade at 110 kmph. I'm getting new Avon's put on it but if it persists I wonder what to look at that might be causing the problem.
Any feedback greatly appreciated.

Cheers,

Rafe Arnott
Vancouver, Canada

[Pleco]

Hello There.

With any of the disco 1s, first check the condition of your roto flex joint on the rear driveshaft at the diff side. If this is cracked, replace it and the vibes should be gone. Then check wheel balancing and the rest of the suspension system.

[rover@mototrip.com]

Hi,

I had the same problem with my girlfriend DI 97.
Here's what we had to change :
- 4 radius arm bushings
- 2 panhard bushings
- tires (take special attention not to buy cheap tires with poor side wall support)
- rebuilt the power stearing box.

-Luc

[joshua.mcguoirk]

I've had this issue. I checked all bushings as previous posters stated and found that the steering damper was bad. I replaced the damper and have had no issues. Panhard rod bushings with also give you these symptoms. I have found the most success with LR bushings. I tried the OME yellow Poly and these failed after about 50 miles.

Lucas has since been upgraded to a D90 drag link with the OME damper located IFO axle up high with aftermarket crossover.

Next on my list are tie rod ends. Boo Hoo.

[KeithFisher]

My 1996 Disco vibratesin a consistant pattern on and off at 3 second intervals between 55-65 mph. After 65 mph vibration is still there but not as bad but very obivious. If brake hard above 65 vibration is almost uncontrollable. I have aligned, balanced tires, bought new rim. Help me!!!!

Patterns, speeds and changes on braking: CV joints first then tie rods.

[rover@mototrip.com]

-Stearing damper changer as well.


*** Sept 2008 ***
The truck is starting to shake again...the only thing I haven't played with is
the swivels. ( shims and bearings )...