Well, this has been discussed before, but nobody ever got an answer, so just thought I should start a new topic in case somebody can help with an issue I am dealing with:
I m getting a steering wheel vibration after 70mph, which is not always noticeable. What could cause this?
Before answering, please bare in mind some points:
1) My tires are brand new (Continental PremiumContact2), and the vibration was the same before and after changing them, so this shouldn't have to do with the tires.
2) The wheels have been balanced twice, and all of them are OK, just as supposed to (also had a wheel alignment when the tires were fitted).
3) Wheels are standard 15" alloy wheels (sport version).
4) The vibration is not always there (even over 70mph), but most of the times it is noticeable.
5) There is no play or noise in the front wheel bearings. A faulty one should at least make a noise and there isn't any.
6) The tie rods seem to be fine (no splits or anything).
7) The car has never suffered any crashes or anything, just conventional driving.
8 )Car type info: 1.4 engine, 3 door "Sport" version, 00', 1 owner (me), factory 4-stud with abs, factory 15" alloy wheels, about 67.000miles on the clock.
My question is what could cause vibration?
-A faulty steering rack joint?
-A faulty tie rod?
-Bad wheel alignment?