Shaking steering wheel

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  #1  
Old 08-20-10, 06:14 AM
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Shaking steering wheel

On my 2000 Jeep Cherokee Laredo the steering wheel starts to
shake at around 55 mph, continues to about 63 mph, stops
and starts again around 70 mph. Any idea what the cause of that is?
 
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  #2  
Old 08-20-10, 07:37 AM
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A common starting point would be around the condition of the front tires and their balance. Tires out of balance can cause this exact situation.
 
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Old 08-20-10, 07:57 AM
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equinox, thank you.
Will look into that
 
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Old 08-20-10, 01:58 PM
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When did this problem start, right after a tire rotation ??
 
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Old 08-20-10, 06:57 PM
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tires out of balance. it will go like this in about 5 mph increments.

rebalance, don't lag, ot it will mess up steering and suspension components.
 
  #6  
Old 08-20-10, 07:17 PM
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Rule Out:

Out of round tires. One or more tires are deformed or oval shaped.

High spot or bubble on threaded portion of tire or tires.

Chunk of rubber missing (Thread Separation)

Two different size tires on front.

Mud build up on rims.

Bent rim or rims.

Too many wheel weights. If you had the wheels balanced recently were the new weights installed on the rim next to the old weights? Any time wheel balancing is done the old weights must come off, before the new weights go on. In other words you always start with a fresh, clean rim that has no weights installed on it.
 
  #7  
Old 08-27-10, 11:36 AM
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As a arule of thumb, when diagnosing front end vibrations, I was trained that if you can drive in and out of vibration, then its tires.
 
  #8  
Old 09-07-10, 11:06 PM
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intermitantcy

sounds pretty like a pretty unanimous diagnosis.... I'm curious though why the vibrating stops at certain velocities though. Is there some "sync" between the rotation speed and the imbalance where the imbalance is compensated for?
 
  #9  
Old 09-08-10, 03:56 AM
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Exacty...................
 
  #10  
Old 09-08-10, 04:17 AM
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Kathy,


(Question) I'm curious though why the vibrating stops at certain velocities though.

The vibrating hasn't stopped. At a higher velocity the vibrating is just so great that you don't feel it.

My colleagues are going to love this. Answers a question from another thread.

It's like driving at 60 mph with a timing light hooked up to the "Number One Ignition Cable". The "Zenon Bulb" gives the appearance that it's off, when it's actually flashing just to fast to be seen.Beer 4U2



Rule out the following and post back your findings

Out of round tires. One or more tires are deformed or oval shaped.

High spot or bubble on threaded portion of tire or tires.

Chunk of rubber missing (Thread Separation)

Two different size tires on front.

Mud build up on rims.

Bent rim or rims.

Too many wheel weights. If you had the wheels balanced recently were the new weights installed on the rim next to the old weights? Any time wheel balancing is done the old weights must come off, before the new weights go on. In other words you always start with a fresh, clean rim that has no weights installed on it.
 
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