Vibration while driving between 60 & 70MPH

Bill Z

Bill Z

Donating Member
Vibration while driving between 60 & 70MPH

I have owned my Typhoon for a year now and it has always had this vibration around 60 to 70 miles. When I purchased new tires, I went back to have them balanced a second and third time. It did not help. I just had both front axels replaced hoping that that would do the trick. I still have the vibration.


I have been assuming that the vibration is in the front but I can not tell for sure. The steering wheel does not osculate back and forth. It just vibrates along with the rest of the truck.


I am looking for good suggestions as to what to try next.
 
Bill Z

Bill Z

Donating Member
Vibration while driving between 60 & 70MPH

The place where I go, can do Lug centric however they generally do hub centric balancing. I guess you have to ask for the lug centric. Do you think that there would be that much difference in balancing methods?
 
G

GM TURBO

Sell Out
Yes - there is a huge difference. Most shops will complain if you ask for lug-centric balancing as it is a pain in the ass to set up. I fought with a shop telling me my wheels were bent right after I had them straightened. I fought this battle for A LONG time.

If you want the best in balancing ask for a Hunter GSP9000. It does Road FOrce Balancing and is much smoother than even the lug centric.

It costs extra though.

Try the Lug-Centric.
 
Bill Z

Bill Z

Donating Member
Vibration while driving between 60 & 70MPH

I talked to the guy that did my front axels about the ball joints. He said that he checked them all they were firm and look as if they had been replaced (they were bolted in and not factory riveted). He also checked the tie rod ends. These things all checked out.

I have an appointment to get my wheels balanced again using the lug centric method.

Is there any other thing that I should think about?

Someone here at work discussed the possibility of bad front wheel bearings. Could they act like bad ball joints?
 
G

GM TURBO

Sell Out
I would be willing to put money on wheel balance.

If you have another SyTy'er in the area - maybe you could doa wheel swap for a quick highway jaunt.
 
P

pattyfun

New member
I'd be willing to bet the junk stock wheels are the root cause. Borrowing some known good non-syty wheels/tires is the best way to confirm this. That is the only thing that eliminated the vibration from my 140k ty and it was chased since new with many parts and tires being replaced!
 
Bill Z

Bill Z

Donating Member
Vibration while driving between 60 & 70MPH

I went back to the tire store and had the tires rotated (The tires are directional so they had to dismount each) and balanced. I asked for lug centric balancing this time. Things are better but I still have a small vibration.

This truck just turned 60K miles. It still should be smooth at 65MPH.

My son suggested new shocks to remove any road issues.

I will ask a guy with a Syclone if he will swap for an hour or two. That is a great idea.
 
myclone

myclone

Donating Member
Do not rule out a defective tire(s). BTDT. Wheels that are bent or not balanced using the lug centric method are the main cause of vibration around here.

Things to keep in mind IMO. Sytys are trucks. They werent built in the hey day of truck/SUV luxury technology so they are gonna ride like a truck. Granted vibrations are hard to diagnose over the net as one persons severe vibration is anothers "I dont feel anything" vibration. Not to sound like an ass but IMO you could spend lotsa $ and time trying to make a syty ride like a lexus and never get it right. They will always ride like a truck to some extent. It just depends on if that ride is acceptable to you or not.

Anyway, some ppl have pulled the front drive shaft to try to narrow down which end of the truck the vibe is coming from. It could actually be an unbalanced front drive shaft for that matter. Ive got a vibration in my truck at about 65mph and it goes away when the front drive shaft is removed. Its not bad IMO so I live with it (I didnt buy the truck for its smooth ride either :wink: ). Could it be wheel bearing(s) causing a vibe for you? Its possible but IMO by the time wheel bearings are that bad you would have a constant unerving vibe/noise at any speed.

Id do the following if it was me:

*Swap tires/wheels with a fellow sytyer and see if that helps
*Yank the front drive shaft and test (you will like 2wd for a short time :wink: )
*Put truck on jack stands and start it and put it in gear with engine idling. Watch the tires turning (especially in the rear) and look for any wobbley action from them (sight along the side wall and watch close). If you see some wobble action going on then youve got a bent axle that a tire rebalance wont find nor will it fix it by rebalancing.
*Check into the rear drive shaft balance/straightness. Ive heard of a couple of ppl on here having bent/out of balance rear drive shafts. Rare but happens.

HTH
 
E

ericguy320

Stupid Member
If you want the best in balancing ask for a Hunter GSP9000. It does Road FOrce Balancing and is much smoother than even the lug centric.

It costs extra though.
Click to expand...

it only cost more if the tire has to be turned on the rim. The 9000 even shows where the seam in the tire is and any other hard spot, if you ever had this done it wouldnt hurt to ask for the print out because somtimes if they think that the heavy spot isnt enough to dismount the tire and move they may not do it, and it could cause some vibration but the print out would show if it.
 
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