Vibration in steering wheel when driving fifty-five MPH or more?

Tiny
BHAMDOC1973
  • MEMBER
  • 2014 MAZDA 5
  • 2.5L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
When I hit the brake there is no noticeable vibration so I know it's not brakes or rotors. Steering starts to vibrate around 55 and stays even with speed to 80. Can an engine mount cause this? Am going to get wheels balanced but I think the side engine mount is bad too.
Tuesday, October 10th, 2023 AT 7:27 AM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 50,340 POSTS
Typical it is wheel balance that will make the steering wheel wobble at freeway speeds, but I have seen the lower control arm bushing or lower ball joints cause this problem as well. I would have the tires balanced and if that doesn't fix it let check the front end.

This guide should help:

https://www.2carpros.com/articles/steering-wheel-shakes-when-accelerating-or-braking

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Tuesday, October 10th, 2023 AT 10:05 AM
Tiny
BHAMDOC1973
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Suspension is tight bit insee some grease out on the boot of one of the axles. Balanced them all and changed the engine mount. Noticed that one of the front tires is a 205/45 while the other is 215/45 so I moved it to the rear as I don't know if it matters. Gotten better now but something still wobbling a bit and annoying. Suspect a bent wheel.
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Sunday, October 15th, 2023 AT 4:30 PM
Tiny
KEN L
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Yep, that would do it. Let's raise the front of the car and spin the wheels to check the turness of the rim.
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Monday, October 16th, 2023 AT 9:27 AM

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