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Front End Shimmy While Driving

jeepunlimited80

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jeepunlimited80 New Member

jeepunlimited80

Posted
Posted

Hello,

 

My 2001 chevrolet 1500 4x4 tends to shake at different speeds. I feel alot of the vibration through the steering wheel. The tires have been balanced recently. Any suggestions on what I should check?

jrrod2004 Senior Enthusiast

jrrod2004

Posted
Posted

tie rods, u joints, bushings, motor/trans mounts, suspension (coil, shocks), leaf springs...i-shaft (maybe), though to tell with the vague discription. What speeds does it happen, temperature, sunny, windy, rainy, snowy, full acceleration, cruise, highway surface, city surface, is it a vibration with no noise, is the caliper stuck, wheels tightened improperly, a little more detail please.

hubbycap Senior Enthusiast

hubbycap

Posted
Posted
What speeds does it happen, a little more detail please.

 

 

How many miles on the vehicle? Did it shake before the balance? Been mudding lately? Were the tires rotated when they were balanced?

jeepunlimited80 New Member

jeepunlimited80

Posted
  • Author
Posted
What speeds does it happen, a little more detail please.

 

 

How many miles on the vehicle? Did it shake before the balance? Been mudding lately? Were the tires rotated when they were balanced?

 

 

 

Tires were balanced not too long ago, I've rotated tires but it hasn't made much of a difference. I have 156000km on the truck. Rims are free of mud. Shaking occurs at 50-60km/hr and again at 80-90km/hr on all road conditions. There is alot of vibration coming through the steering wheel.

jeepunlimited80 New Member

jeepunlimited80

Posted
  • Author
Posted
Upper Intermediate Steering Shaft...you feel it when turning? There is a $50 replacement part online (new GM design) easy to install it also!!

 

 

No the vibration is felt going down the road in a straight line? I can't see the steering shaft causing that. Does that new design steering shaft cure the rattling in the steering when making a turn at slow speed?

  • 2 weeks later...
heavy4x4 Enthusiast

heavy4x4

Posted
Posted

I'm experiencing the same thing as jeepunlimited80. Just recently started doing this. Driving straight, I get a back-and-forth vibration in the steering wheel between 55-65mph. Goes away above 65. I'm thinking I'll replace the front hubs and shocks all the way around. Anybody else have this problem and fix it? How did you do it?

grimmysnr Enthusiast

grimmysnr

Posted
Posted

Most trucks have a natural shimmy throughout the frame at about 60mph. I know mine shakes all over the place and as soon as i get past 65 its smooth sailing. It may just be normal shimmy associated with high mileage. Does the steering wheel actually move to the point where it seems like the brakes discs are warped? Or is this vibration more centered around the floor? These trucks have rack and pinions right? (never really looked). Check steering fluid and maybe pump.

 

You start getting into ball joints and all that stuff i can imagine its going to get expensive fast.

heavy4x4 Enthusiast

heavy4x4

Posted
Posted

Stock wheel- and tire-size for me.

 

Definitely feel it in the steering wheel itself around 60 mph. Must be hitting a resonant frequency in the suspension with the rotational imbalance.

I wouldn't describe the shaking/shimmy as bad as stopping with warped rotors, but it's almost like a wheel is completely off balance. You can see, and obviously feel, the steering wheel moving.

Lincoln30 Enthusiast

Lincoln30

Posted
Posted
Are either of you guys running custom wheels?

 

Daddy:

 

 

If they were running custom wheels what would you attribute it to?

 

 

I'm not Daddy but I assume he thinks the aftermarket wheels might not be hubcentric or missing the centering ring (if hubcentric and equipped with a ring) OR he could be referring to the rear brake clips not being removed.

tobias Senior Enthusiast

tobias

Posted
Posted
Are either of you guys running custom wheels?

 

Daddy:

 

 

If they were running custom wheels what would you attribute it to?

 

 

I'm not Daddy but I assume he thinks the aftermarket wheels might not be hubcentric or missing the centering ring (if hubcentric and equipped with a ring) OR he could be referring to the rear brake clips not being removed.

 

 

Brake clips.

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