Shaky Steering - 01 Elantra

After my 45K mile service of my car, I find my steering vibrating when I
touch 70mph speed. Whatz going wrong? Should I do balancing the tires(I
chose to ignore it in my 45K)

 

By "touch 70mph speed", you mean "drive for any length of time at
70mph", right? This is fairly common IME in cars that aren't designed
for performance; the Ford Tempo and Mercury Sable I used to drive both
shook a lot when driven over 75mph.

Yes, check the wheel balance. Maybe alignment too, depending on how
long it's been since that was done and the number of potholes on the
roads you drive regularly. HTH,

 

Yap. As soon as my speedometer touches 70 and greater, I see the vibration
in the steering. This did not happen before I gave my car for service.
Since I opted out for a wheel balance, I feel they might have specifically
done something. Anyways, let me run to costco and get a wheel balance done
for cheaper price

 

Most likely your rear wheels were out of balance and when they were rotated
to the front, they created a vibration in the steering. Dollars to donuts
a wheel balance cures the vibration.

 

Make that a "proper" wheel balance. I somehow doubt that Costco will do
as good a job as a reputable tire dealer. Balancing is highly dependent
on the quality of the equipment and the attention to detail of the operator.

 

Wheels need balancing. It is a good idea to take it to a reputable tire shop
(e.g. Discount Tire) and get a proper balancing done. They can also check
for out of roundness and move the tire on the rims. Costs extra but is worth
it, especially if you get the lifetime balancing.

 

Agreed. Costco is not the place to get it done. I would go to a wheel place,
where they would have the better equipment and the more experienced people
to run these machines.