Anyone have a "Speed Wobble" problem

[LIL QIK]

Hey guys......got a little problem...

I just did the alignment, mounted the new wheels and put the solid motor mounts in and for some reason.....after doing all of this I seem to have a speed wobble problem at high speeds (90mph and up) and even at low speeds under acceleration if on unlevel road.

Just curious if any of you have come across this and if so, whether or not you got the problem fixed and what it was.

Now I know now that I have a little bit of slop in the steering gear box and a little play in my passenger tie rod. But I'm assuming that those problems were there before and I didn't suffer from the speed wobble before. Any help or comments are appreciated.

Thanks....Dave

 

[ty166]

Re: Anyone have a "Speed Wobble" problem

theres about one bazillion threads on this subject,
here is one with a happy ending :http://www.syty.net/forums/showthread.php?t=46589&highlight=high+speed+vibration

then there are theses
1. http://www.syty.net/forums/showthread.php?t=44347&highlight=high+speed+vibration
2. http://www.syty.net/forums/showthread.php?t=42082&highlight=high+speed+vibration
3. http://www.syty.net/forums/showthread.php?t=30590&highlight=high+speed+vibration

just search using "high speed vibration" , you'll find alot of post. GOOD LUCK.

 

[willyson]

Re: Anyone have a "Speed Wobble" problem

Hey guys......got a little problem...

I just did the alignment, mounted the new wheels and put the solid motor mounts in and for some reason.....after doing all of this I seem to have a speed wobble problem at high speeds (90mph and up) and even at low speeds under acceleration if on unlevel road.

Just curious if any of you have come across this and if so, whether or not you got the problem fixed and what it was.

Now I know now that I have a little bit of slop in the steering gear box and a little play in my passenger tie rod. But I'm assuming that those problems were there before and I didn't suffer from the speed wobble before. Any help or comments are appreciated.

Thanks....Dave

I would imagine you will feel more engine vibrations out of the solid motor mounts :2cents:

 

[AUSyTyIN]

Re: Anyone have a "Speed Wobble" problem

Were they new wheels, or new-to-you wheels?

 

[LIL QIK]

Re: Anyone have a "Speed Wobble" problem

It isn't an engine vibration......it's literally a speed wobble. As in like we use to get riding a skate board down a hill. The wheels and tires are brand new. I wouldn't call it a vibration. I'd call it a wobble....as in your ass end having so much body roll back and forth that you think it's going to come around on you.

Thanks...

 

[willyson]

Re: Anyone have a "Speed Wobble" problem

It isn't an engine vibration......it's literally a speed wobble. As in like we use to get riding a skate board down a hill. The wheels and tires are brand new. I wouldn't call it a vibration. I'd call it a wobble....as in your ass end having so much body roll back and forth that you think it's going to come around on you.

Thanks...

Do you have your old wheels/tires? I'd either switch them out or take your new combo and have them rebalanced - I had a set of new wheels/tires put on 2 weeks ago and the balancing was way off. maybe a weight fell off?

my high speed vibration ultimately came from the transfer case. as in vibration i mean it was like i was riding on the emergency lane of the highway when doing above 65mph.

 

[ty166]

Re: Anyone have a "Speed Wobble" problem

my high speed vibration ultimately came from the transfer case. as in vibration i mean it was like i was riding on the emergency lane of the highway when doing above 65mph.

i hate to be a thread jacker but here goes :lol: , hey willyson when your transfer case was bad did it still vibrate when the front prop shaft was out ?

 

[AUSyTyIN]

Re: Anyone have a "Speed Wobble" problem

So this problem started when the new wheels/tires were installed? I'd take it back to the shop, but tell them it happens at highway speeds. If you tell them it happens at 90, they will tell you to not drive that fast.

 

[willyson]

Re: Anyone have a "Speed Wobble" problem

i hate to be a thread jacker but here goes :lol: , hey willyson when your transfer case was bad did it still vibrate when the front prop shaft was out ?

yep.

 

[AUSyTyIN]

Re: Anyone have a "Speed Wobble" problem

If you have a way to measure the frequency, you can do some math and figure out what exactly is vibrating.

 

[LIL QIK]

Re: Anyone have a "Speed Wobble" problem

Do you have your old wheels/tires? I'd either switch them out or take your new combo and have them rebalanced - I had a set of new wheels/tires put on 2 weeks ago and the balancing was way off. maybe a weight fell off?

my high speed vibration ultimately came from the transfer case. as in vibration i mean it was like i was riding on the emergency lane of the highway when doing above 65mph.

We're actually bolting the original wheels and tires back on tomorrow to see if that's associated with the problem. But I did recheck the balance on all the tires at a separate place to see if the balance was off.....but they were ok.

 

[LIL QIK]

Re: Anyone have a "Speed Wobble" problem

If you have a way to measure the frequency, you can do some math and figure out what exactly is vibrating.

lol....I'm no where near that smart....lol

But hopefully I can eliminate the wheels and tires tomorrow. We'll see....thanks guys.

 

[AUSyTyIN]

Re: Anyone have a "Speed Wobble" problem

It's just simple ratios :lol:

 

[willyson]

Re: Anyone have a "Speed Wobble" problem

lol....I'm no where near that smart....lol

But hopefully I can eliminate the wheels and tires tomorrow. We'll see....thanks guys.

the next free step would be to remove the propshaft, but hopefully youll find it.

 

[midnightbluS10]

Re: Anyone have a "Speed Wobble" problem

It isn't an engine vibration......it's literally a speed wobble. As in like we use to get riding a skate board down a hill. The wheels and tires are brand new. I wouldn't call it a vibration. I'd call it a wobble....as in your ass end having so much body roll back and forth that you think it's going to come around on you.

Thanks...

This is the only time I see a post from him with vibration in it.

Top Web Results for "wobble"

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[Jimmy]

Re: Anyone have a "Speed Wobble" problem

Replace:

2-Upper Ball Joints
2-Lower Ball Joints
1-Idler Arm
1-Pitman Arm
2-Inner Tie Rod Ends
2-Outer Tie Rod Ends
2-Adjusting sleeves

That fixed my wobble.

 

[LIL QIK]

Re: Anyone have a "Speed Wobble" problem

Replace:

2-Upper Ball Joints
2-Lower Ball Joints
1-Idler Arm
1-Pitman Arm
2-Inner Tie Rod Ends
2-Outer Tie Rod Ends
2-Adjusting sleeves

That fixed my wobble.

Yea.....we're fixing to throw in the front coil over kit and replace anything that the kit doesn't. But won't be doing that until I get back from Malaysia. I leave Monday....so I guess all of this isn't a big deal until I get back.

 

[tbauer03]

Re: Anyone have a "Speed Wobble" problem

sounds like your wobble is like my wobble http://www.syty.net/forums/showthread.php?t=42854&page=1&pp=15
I haven't done anything about it yet but let me know if you find a definite solution.

 

[LIL QIK]

Re: Anyone have a "Speed Wobble" problem

sounds like your wobble is like my wobble http://www.syty.net/forums/showthread.php?t=42854&page=1&pp=15
I haven't done anything about it yet but let me know if you find a definite solution.

Well...when I get back....it's getting a completely new suspension for the front and rear along with a new quick ration gear box. That will cover every suggestion that I've had so far. If it's still there after that....then I'm not sure what I'm going to do.

 

[willyson]

Re: Anyone have a "Speed Wobble" problem

Well...when I get back....it's getting a completely new suspension for the front and rear along with a new quick ration gear box. That will cover every suggestion that I've had so far. If it's still there after that....then I'm not sure what I'm going to do.

dont forget to shaft the zq8 :lol:



as in getting an upgraded steering shaft.