Vibrating steering wheel

[Woodsy61]

Hi,Guys.ive put 20" wheels on my RCZ.Theyve been balanced and aligned but the steering wheel vibrates at about 100kph mark.Could 20" wheels be too big or maybe something else.Any advice appreciated

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[lion5]

Were they balanced while they were in the car or outside of the car?

[Woodsy61]

Sorry for late reply.Wheels were off car when balanced.Is it possible that spacers could affect balance although ive never had this issue before

[young 4 old pug]

The larger wheels maybe amplifying a pre existing fault too. Check your track rods and tie rod ends for movement (best with both front wheels off the ground) along with bottom ball joints and wishbone bushes.

Via the aussiefrogs App

[Exfrogger]

Yes spacers can cause vibrations.

[driven]

Ensure rims are not bent.
20 inch rims suffer from this fault as they are so easy to damage
Have a look at low speed on balance machine or spin them when on the car with a dial gauge on outer rim

[Warus]

I thought spacers were illegal in NSW and would void insurance if you had a prang?

[Fish]

Bigger wheels affects toe in and toe out can amplify a shimmy also tire guys often over inflate which causes a rough ride worth checking also some new cheaper tires take a while to settle sometimes longer if over inflated