Shaking steering wheel on 1999 Elantra

I've recently had a problem develop with my 1999 Elantra. When I get above
60 mph the steering wheel starts to shake. It doesn't shake continually,
but goes into a sequence of shaking for about 5 to 10 seconds and then
smooths out to normal for 15 to 20 seconds before going back into the
shaking sequence, alternating between shaking and smooth normal operation as
long as I stay above 60 mph.



I first thought the tires were out of balance, so I had them rebalanced, but
the problem remains. The car has 128,000 miles on it. Is this a problem
that is common with this model and what do I need to do to fix it? If this
is not a common problem, what might be the cause and what will I need to
check for repair or replacement?



Thanks in advance for your help.

 

At 128,000 miles, you have to start considering wear in the steering
components, struts, wheel bearings. A front end alignment and inspection at
a good shop would point out what's wrong. Notice I said 'good shop'.
Finding one of those is hit or miss, unfortunately.

 

How old are the tires? There my be water in them if they have been
refilled several times, and now with the colder weather, condensation
could have formed. I would also check your tie rods. A good shop will
find the problem.
Good luck.
Bill Knauer

 

That's a great idea about the water!!! I've never seen that mentioned
before but it sure makes sense!! I've had a clump of snow wedged in a wheel
already that just threw the car all over the place. Now if there were only
a way to get the water out short of unmounting it. Someone needs to invent
'dry air in a can' to remove it.