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Shake or Vibration Issues

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tpgdiver Enthusiast

tpgdiver

Posted
Posted

I have the Double Cab, 4WD Z71, with the Goodyear tires (18's), and I have had no shakes or vibrations whatsoever. Having said that, I only have about 1,000 miles on it, but it was driven at highway speeds with no apparent issues.

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csckickass
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mafd2
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DALaws
DALaws

Well I have some good news and bad news about my truck vibrations. Good news is that my truck has a significantly less vibration at speed. The bad news is my truck has significantly less vibration. Fo

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mzodarg Senior Enthusiast

mzodarg

Posted
Posted

It makes me wonder if it could be a defective wheel issue. I know the forum has leaned toward tires and road force balancing etc... Just curious if the rim might be the culprit.

 

Mike

Silver space ship Enthusiast

Silver space ship

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So yesterday I bought new tires and wheels and I still feel it getting up to speed and yes the new tires have been road force balanced.

 

Also I found some interesting info on the electric power steering and an anti vibration modual but can seem to find the web page anymore. I did do a screen snap shot but it's to small for you guys to read. It talked a about a phenomenon of getting a vibration on a completely smooth road. If some one thinks they can get it loaded on a bigger size pm me and I will send it to you.

hvill Enthusiast

hvill

Posted
Posted

UPDATE 2014 tx edition silverado ...well got my truck back yesterday with the new continental tires that GM recommended my dealer ( ROAD FORCE BALANCED). No luck same vibration and uncomfortable ride. DONT KNOW WHAT TO DO ANYMORE .... SEEMS LIKE THERE IS NO FIX ........Does anyone know who to contact at GM for these issues....

Dont even want to drive the truck anymore... Like I said Had a 2007 sierra tx edition and had no issues.. I rather have my 07 BACK........

GM will you buy this truck Back? ( lol )

 

silver spaceship is your a ltz?

blckthree Enthusiast

blckthree

Posted
Posted

Interesting... from the page mentioned above.

 

The belt-driven electric power steering system features an integrated
electromechanical power steering unit, containing the power steering
control module, its sensors, the power steering motor, a belt drive and a
ball nut mechanism.


 


The power steering control module is part of the power steering
assist motor assembly and is replaceable as a complete unit independent
of the steering gear assembly. The torque sensor is integrated with the
steering gear pinion and is serviced as part of the steering gear.


 


The power steering control module has a software feature referred to
as Smooth Road Shake Compensation that reduces steering wheel vibration
caused by an imbalance from the front tire/wheel assemblies. The
vibration transmitted to the steering wheel is referred to as Smooth
Road Shake and is a phenomenon that occurs only at highway speeds and on
smooth roads. The power steering control module employs active controls
to sense and reduce the periodic torque component applied to the
steering wheel caused by the wheel imbalance force. This software
feature will compensate for a specific range of imbalance.


 


In addition to smooth road shake, road crown is compensated for by
the steering wheel angle sensor signal, which calculates the intended
driving direction. The Electronic Brake Control Module (EBCM) receives
serial data message inputs from the steering wheel angle sensor.


 


The steering wheel angle sensor does not require centering often.
However, if the steering wheel angle sensor is not correctly centered it
may create a lead/pull condition. If this condition is encountered,
always perform the Steering Angle Sensor Centering procedure in SI
before performing a wheel alignment.

mzodarg Senior Enthusiast

mzodarg

Posted
Posted

Interesting... from the page mentioned above.

 

The belt-driven electric power steering system features an integrated

electromechanical power steering unit, containing the power steering

control module, its sensors, the power steering motor, a belt drive and a

ball nut mechanism.

 

 

 

The power steering control module is part of the power steering

assist motor assembly and is replaceable as a complete unit independent

of the steering gear assembly. The torque sensor is integrated with the

steering gear pinion and is serviced as part of the steering gear.

 

 

 

The power steering control module has a software feature referred to

as Smooth Road Shake Compensation that reduces steering wheel vibration

caused by an imbalance from the front tire/wheel assemblies. The

vibration transmitted to the steering wheel is referred to as Smooth

Road Shake and is a phenomenon that occurs only at highway speeds and on

smooth roads. The power steering control module employs active controls

to sense and reduce the periodic torque component applied to the

steering wheel caused by the wheel imbalance force. This software

feature will compensate for a specific range of imbalance.

 

 

 

In addition to smooth road shake, road crown is compensated for by

the steering wheel angle sensor signal, which calculates the intended

driving direction. The Electronic Brake Control Module (EBCM) receives

serial data message inputs from the steering wheel angle sensor.

 

 

 

The steering wheel angle sensor does not require centering often.

However, if the steering wheel angle sensor is not correctly centered it

may create a lead/pull condition. If this condition is encountered,

always perform the Steering Angle Sensor Centering procedure in SI

before performing a wheel alignment.

Interesting, wonder if the BCM update that became available in Aug-Sept had anything to do with steering.

 

MIke

GMCustomerService Senior Enthusiast

GMCustomerService

Posted
Posted

hvill,

 

I am sorry to hear that you are experiencing the same vehicle issue after your visit at your preferred dealership. I would like to look into this concern for you. Could you private message me referencing this thread including your name, address, phone number, VIN, current mileage, and preferred dealership?

 

Regards,

 

Jennifer T.

GM Customer Care



Stex Senior Enthusiast

Stex

Posted
Posted

UPDATE 2014 tx edition silverado ...well got my truck back yesterday with the new continental tires that GM recommended my dealer ( ROAD FORCE BALANCED). No luck same vibration and uncomfortable ride. DONT KNOW WHAT TO DO ANYMORE .... SEEMS LIKE THERE IS NO FIX ........Does anyone know who to contact at GM for these issues....

Dont even want to drive the truck anymore... Like I said Had a 2007 sierra tx edition and had no issues.. I rather have my 07 BACK........

GM will you buy this truck Back? ( lol )

 

silver spaceship is your a ltz?

 

Is the vibration coming form the front tires (mostly steering wheel) or rear wheels drive shaft etc. (mostly empty passenger seat shaking). Have they checked the wheels for run out. Bent wheels?

 

Have you been to a good tire shop? I would not expect a normal dealership to have the expertise to properly balance a tire. Once you go to a good tire shop and they check tires and wheels for run out and road force balance AND rotate tire 180 degrees on the wheel if called for in the road force balance and still a problem then back to the dealer. I Hope a good tire shop can fix you and the others on this issue.

 

I know some here have heard this but, I myself would spend the bucks for Michelins and a good balance from a good tire shop. Discount tires, if in your area, will buy your take offs, thus reducing the cost. Then if not fixed I would be beating like heck on the dealership service mgr.

hvill Enthusiast

hvill

Posted
Posted

Really cant tell if its from the front or the rear but it has a very uncomfortable vibration . As for bent wheels or wheels having run out i could not tell you but if it was a bent wheel i think the dealer would have used that against me. I really don't think its a issue with the wheels and tires like i said i have been threw 2 sets of tires and have had the same vibration and uncomfortable ride. ( both sets have been road forced balanced ) . What I don't understand is why do they always center my motor mounts....

 

Has anyone had there truck fixed ? What did they do to yours?

Hector99 Enthusiast

Hector99

Posted
Posted

Silver Spaceship you continue to describe the same problem I'm experiencing. Thank you for going through the expensive and time consuming process of buying new tires only to be back at square one. My steering wheel vibrates to the point where my hand goes numb after 20 minutes. Its not the tires. I had them rebalanced and if it was the problem rebalancing would have at least slightly changed the speed or type of vibration. I continue to experience the same vibration at the exact same highway speeds 50-60. Where's GM in all of this? The dealers are GM's representatives and should be doing everything possible to resolve this problem and ensure customer satisfaction. I'll have to drive 35-40 miles one way to find another dealer to help me with this problem, with no guarantee they'll fix the problem. I didn't spend $33,000 to go out and buy another set of tires. GM should be working with the customer and dealership to diagnose and fix the problem. Dealership here has 50+ new Silverados on their lot. I will not go quietly.

  • Like 2
Springmilld New Member

Springmilld

Posted
Posted

My dealer's service manager drove other new SIlverados on their lot like mine and found the same vibration to exist. They are now claiming it is a Chevrolet engineering issue. I spent some time speaking with the Chevrolet Manager at my dealer and with the Chevrolet Customer Care people. The Chevrolet Manager at my dealer said that they were receiving other complaints similar to this. My impression is that the left hand doesn't know what the right hand is doing. Chevrolet seems to be completely unaware that this issue even exists.

 

Nobody wants to take responsibility. No wonder GM went bankrupt.

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