Searched with no answer to shaking at highway speeds

DEKA3

DEKA3

Registered User, A.K.A. "elias"
Hey all,

I had my wheels and tires replaced not too long ago with what I have in my signature. The install went great...no rubbing, tires mounted properly and were balanced properly.
Over the weekend, I took my ride on the highway and noticed that at or above 65 mph, the vehicle shakes. Not much where you get sick, as a matter of fact the other passengers didnt notice anything. The steering wheel does not shake and the alignment couldnt be straighter.

I searched the forum for a possible answer, but all others had steering wheel shakes or the rig needed new joints, engine mounts, etc. Being that I have about 6000 miles on it so far, I doubt its any of those things.

Any suggestions, or comments?

BTW, the tires are properly inflated to 38 psi each tire. (Load C L/T Silent Armors stock size) and the shop checked the weights on the tires again.

Thanks
 
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1engineer said:
Did the shop force balance them? Almost a must whenever you have your symptoms.
Click to expand...

they said they balanced them as best they can because they do not have the proper cone for my rims to get 100%. The shop owner himself came out and said "they are at 98% right now."

What does a force balance entail?

btw, thanks for the quick reply!
 
Your shop has a problem then. 98% right means feeling the other 2% in the seat at 60 mph. Look at the ads for local tire shops and you should see something like "road force balancing"

From Hunter Engineering:
Solves Wheel Vibration and Tire Pull Problems Balancers and Aligners Can’t Fix



Shown with optional Wheel Lift System
Going far beyond the traditional functions of a wheel balancer…
The GSP9700 measures radial and lateral tire forces and provides instructions for solving ride and handling problems such as tire pull and wheel vibration that balancers and wheel aligners cannot fix.

Hunter’s GSP9700 is endorsed and recommended by vehicle manufacturers and proven by thousands of repair facilities worldwide as the industry standard in...

Wheel Balancing
Tire Road Force and
Rim Eccentricity Measurement
Tire Pull Lateral Force Measurement



Benefits of the GSP9700’s “Three-In-One” Diagnostic Repair Capability:
Solves Wheel Vibration Problems Balancers Can’t Fix
Detects non-balance, radial-force-related problems associated with:
Tire uniformity.
Tire and rim runout.
Wheel-to-balancer mounting error.
Improper bead seating of tire to rim.
Faster Troubleshooting & Repair
Quickly calculates the contributions of the rim and tire to radial vibration problems and presents the technician with easy step-by-step repair instructions.
Identifies Potential Vehicle Pull or Drift Problems
The optional StraightTrak® LFM** feature measures lateral tire force, then applies that information to the set of tires, providing multiple placement choices to eliminate or minimize tire pull problems – an otherwise unfixable vehicle complaint during alignment service.
Dramatically Improves Ride Quality & Customer Satisfaction
Duplicates wheel vibration measurement and tire/wheel matching methods previously used only by vehicle manufacturers to provide that “new car ride.”
Increases Wheel Service Income
Establishes your shop as the wheel vibration and handling control experts. Reduces comebacks and enables you to service vehicles that other shops turn away.
Exclusively reduces operating costs with SmartWeight® balancing technology.

* Requires optional StraightTrak® LFM feature.
** Patented



Hunter’s exclusive Road Force Measurement® System simulates a road test to identify radial force vibration and tire pull* problems.

There are many shops that have this machine and it is a good tool to use to get your tires and wheels correct. If nothing else this is used to eliminate the tires and wheels as your problem. Good luck and make the original installer pay for this. You did not know he didn't have the correct tools for the job in the first place.
 
1engineer said:
Your shop has a problem then. 98% right means feeling the other 2% in the seat at 60 mph. Look at the ads for local tire shops and you should see something like "road force balancing"

From Hunter Engineering:
Solves Wheel Vibration and Tire Pull Problems Balancers and Aligners Can’t Fix



Shown with optional Wheel Lift System
Going far beyond the traditional functions of a wheel balancer…
The GSP9700 measures radial and lateral tire forces and provides instructions for solving ride and handling problems such as tire pull and wheel vibration that balancers and wheel aligners cannot fix.

Hunter’s GSP9700 is endorsed and recommended by vehicle manufacturers and proven by thousands of repair facilities worldwide as the industry standard in...

Wheel Balancing
Tire Road Force and
Rim Eccentricity Measurement
Tire Pull Lateral Force Measurement



Benefits of the GSP9700’s “Three-In-One” Diagnostic Repair Capability:
Solves Wheel Vibration Problems Balancers Can’t Fix
Detects non-balance, radial-force-related problems associated with:
Tire uniformity.
Tire and rim runout.
Wheel-to-balancer mounting error.
Improper bead seating of tire to rim.
Faster Troubleshooting & Repair
Quickly calculates the contributions of the rim and tire to radial vibration problems and presents the technician with easy step-by-step repair instructions.
Identifies Potential Vehicle Pull or Drift Problems
The optional StraightTrak® LFM** feature measures lateral tire force, then applies that information to the set of tires, providing multiple placement choices to eliminate or minimize tire pull problems – an otherwise unfixable vehicle complaint during alignment service.
Dramatically Improves Ride Quality & Customer Satisfaction
Duplicates wheel vibration measurement and tire/wheel matching methods previously used only by vehicle manufacturers to provide that “new car ride.”
Increases Wheel Service Income
Establishes your shop as the wheel vibration and handling control experts. Reduces comebacks and enables you to service vehicles that other shops turn away.
Exclusively reduces operating costs with SmartWeight® balancing technology.

* Requires optional StraightTrak® LFM feature.
** Patented



Hunter’s exclusive Road Force Measurement® System simulates a road test to identify radial force vibration and tire pull* problems.

There are many shops that have this machine and it is a good tool to use to get your tires and wheels correct. If nothing else this is used to eliminate the tires and wheels as your problem. Good luck and make the original installer pay for this. You did not know he didn't have the correct tools for the job in the first place.
Click to expand...


Thanks for the info. I will definitely google the road force machine and get it done ASAP. As for having the original installer pay for it, I doubt its gonna happen. I chewed him down a lot when I bought the tires. I think I caught him sleeping that day. :guitar3:

Once again thanks for the info. I will update this thread as soon as I get it done.
If anybody else has a different experience on the root of my problem, please keep the comments coming!
 
DEKA3 said:
they said they balanced them as best they can because they do not have the proper cone for my rims to get 100%. The shop owner himself came out and said "they are at 98% right now."

What does a force balance entail?

btw, thanks for the quick reply!
Click to expand...

Road force balancing for sure, but that may not be the only problem or solution. Make sure you have the tire shop which will do your balancing also look at your tire as it is spinning (at a slower speed). I forget the name of the condition, but I had two brand new higher end Michelin tires where the tread would wobble left to right as the tire was spinning! Obviously, the tread was not moving, it was manufactured off center in one spot on the tire, causing the tread to look like it was moving left to right as it spun.
 
Our shop does nothing but road force. It's the best thing on the market to date.
The only problem I see is that they are balancing with a "cone". Really good shops will have adapters to balance your tires and wheels with an adapter that uses the lugnut holes. Our truck are very susceptible to vibrations if they are not balanced "lug centrically".
 
Ducmonsta said:
Our shop does nothing but road force. It's the best thing on the market to date.
The only problem I see is that they are balancing with a "cone". Really good shops will have adapters to balance your tires and wheels with an adapter that uses the lugnut holes. Our truck are very susceptible to vibrations if they are not balanced "lug centrically".
Click to expand...

yes. It was a cone adaptor. That was explained to me at the tire shop. That was his reasoning for saying it was 98% balanced! :redbrick:
 
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