bad shaking when driving

98Z71 · 10-23-2005, 06:51 PM

hello guys i just put 33X9.50x15's on my 98 z71 and i had it aligned afterward i was driving and i hit a bump and the hole truck started to shake side to side really bad it has been doing it ever since i had it aligned i dont think that had anything to do it it. could it be the ball joints? any help would really help thanks guys

splinter · 10-23-2005, 06:58 PM

DEATH WOBBLE!!!!!!!!
Start with your track bar, then go to your steering linkages. Sway bar probably won't do it to you, but check all of your bushings while you're at it.
I had a Cherokee that did the same thing.
It's a coil sprung thing.
Ball joints, control arm bushings, anything could be causing this, and it is aggravating and sometimes expensive to fix. You wind up replacing things that you didn't need to replace until you finally replace what was wrong.
Good luck with it man,
Chris

DodgeChick · 10-23-2005, 08:50 PM

Death wobble lol.....
You could check all those things but I usually like to look for the simple things first and rule them out before diving into expensive parts.
Maybe you lost a wheel weight....or you simply need another alignment and balance after that jar to line things up again. Id rule out the simple fixes first...if they dont do it then go checking the big things like Splinter listed.
Goodluck!

390FE · 10-24-2005, 08:28 AM

I was thinking weight too but you said it did it sence allignment. Did it shake when you drove it to get alligned(if you did drive it?)

Did a reputable shop do your allignment? Was it a spin balance or bubble balance? I am guessing spin but some shops still use the bubble balance. Spin balance is much better and if you can find a shop with the machine get them road force tested. You may have a bent rim if you bought the rims used. Are the tires you put on new or used? There are a lot of variables and even more when you get into used parts. But I'm sure you already know that.

I had an allignment done once on my focus. I payed the guy $50 and the steering wheel was not centered when done. Brough it to Ford a week later and paind them $70 for 4 wheel alignment to fix the bad alignment. Ford gives you those sheets of before and after and it was way off on the before printout.

chevyguy · 10-24-2005, 09:28 AM

Sounds like you found so slop in the front end, now you just need to find it. Check all front end ball joints and bushings.

72'CaminoKid · 10-24-2005, 03:58 PM

i'm sure u may of done this already, but did u check to make sure there isn't a bubble/bulge in the tire that hit the hole?

chevyguy · 10-24-2005, 04:10 PM

If it only does it sometimes, the tire issues are eliminated, but if it happens now everytime you brake, or accellerate than look for damage front end components

98Z71 · 10-24-2005, 08:24 PM

ok i think i got it figured out i changed the pitman arm and the idler arm and bracket there was alot of play in the pitman arm but not anymore it dosent shake when you hit bumps anymore thank for all your help guys

DodgeChick · 10-24-2005, 09:42 PM

Glad you got it figured out fairly easily!

chevyguy · 10-25-2005, 11:53 AM

Outstanding, Good job

10-23-2005, 06:51 PM	#1
98Z71 Full Member Join Date: Nov 2004 Posts: 36	bad shaking when driving hello guys i just put 33X9.50x15's on my 98 z71 and i had it aligned afterward i was driving and i hit a bump and the hole truck started to shake side to side really bad it has been doing it ever since i had it aligned i dont think that had anything to do it it. could it be the ball joints? any help would really help thanks guys

10-23-2005, 06:58 PM	#2
splinter Full Member Join Date: Oct 2005 Location: Zurich Ontario Canada Posts: 33	DEATH WOBBLE!!!!!!!! Start with your track bar, then go to your steering linkages. Sway bar probably won't do it to you, but check all of your bushings while you're at it. I had a Cherokee that did the same thing. It's a coil sprung thing. Ball joints, control arm bushings, anything could be causing this, and it is aggravating and sometimes expensive to fix. You wind up replacing things that you didn't need to replace until you finally replace what was wrong. Good luck with it man, Chris __________________ It used to be a Jeep thing, you wouldn't understand. Last edited by DodgeChick; 10-23-2005 at 08:51 PM.

10-23-2005, 08:50 PM	#3
DodgeChick Senior Member++ Join Date: Jul 2004 Location: Albany, NY Posts: 850	Death wobble lol..... You could check all those things but I usually like to look for the simple things first and rule them out before diving into expensive parts. Maybe you lost a wheel weight....or you simply need another alignment and balance after that jar to line things up again. Id rule out the simple fixes first...if they dont do it then go checking the big things like Splinter listed. Goodluck! __________________ 2002 Patriot Blue Ram 1500 4x4 in the process of some mods ***Voted Best Truck on HGS*** Silly boys!! Trucks are for girls!!! "Grab Life By The Horns"

10-24-2005, 09:28 AM	#5
chevyguy Senior Member Join Date: Sep 2005 Location: ALABAMA Posts: 3,160	Sounds like you found so slop in the front end, now you just need to find it. Check all front end ball joints and bushings. __________________ When i die, i dont want to walk gracefully thu the pearly gates and turn in a unused body. i want to go sliding thru sideways and turn in a body that has been completely used up.

10-24-2005, 03:58 PM	#6
72'CaminoKid Senior Member Join Date: Jun 2005 Posts: 2,329	i'm sure u may of done this already, but did u check to make sure there isn't a bubble/bulge in the tire that hit the hole? __________________ 99 suburban xlt 96 silverado 91 wrangler (my baby ) 08 Honday shadow 750 (my mistress)

10-24-2005, 08:28 AM	#4
390FE Senior Member Join Date: Sep 2005 Location: S. NH Posts: 336	I was thinking weight too but you said it did it sence allignment. Did it shake when you drove it to get alligned(if you did drive it?) Did a reputable shop do your allignment? Was it a spin balance or bubble balance? I am guessing spin but some shops still use the bubble balance. Spin balance is much better and if you can find a shop with the machine get them road force tested. You may have a bent rim if you bought the rims used. Are the tires you put on new or used? There are a lot of variables and even more when you get into used parts. But I'm sure you already know that. I had an allignment done once on my focus. I payed the guy $50 and the steering wheel was not centered when done. Brough it to Ford a week later and paind them $70 for 4 wheel alignment to fix the bad alignment. Ford gives you those sheets of before and after and it was way off on the before printout.

10-24-2005, 04:10 PM	#7
chevyguy Senior Member Join Date: Sep 2005 Location: ALABAMA Posts: 3,160	If it only does it sometimes, the tire issues are eliminated, but if it happens now everytime you brake, or accellerate than look for damage front end components __________________ When i die, i dont want to walk gracefully thu the pearly gates and turn in a unused body. i want to go sliding thru sideways and turn in a body that has been completely used up.

10-24-2005, 08:24 PM	#8
98Z71 Full Member Join Date: Nov 2004 Posts: 36	ok i think i got it figured out i changed the pitman arm and the idler arm and bracket there was alot of play in the pitman arm but not anymore it dosent shake when you hit bumps anymore thank for all your help guys

10-24-2005, 09:42 PM	#9
DodgeChick Senior Member++ Join Date: Jul 2004 Location: Albany, NY Posts: 850	Glad you got it figured out fairly easily! __________________ 2002 Patriot Blue Ram 1500 4x4 in the process of some mods ***Voted Best Truck on HGS*** Silly boys!! Trucks are for girls!!! "Grab Life By The Horns"

10-25-2005, 11:53 AM	#10
chevyguy Senior Member Join Date: Sep 2005 Location: ALABAMA Posts: 3,160	Outstanding, Good job __________________ When i die, i dont want to walk gracefully thu the pearly gates and turn in a unused body. i want to go sliding thru sideways and turn in a body that has been completely used up.

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