Discussion
Anyone have time to give me some advice about steering wheel vibration in my Impreza WRX please?
Up to about 60ish the car is nice and smooth. After 60mph up to at least 80mph the steering wheel vibrates so much it looks as though it moves about an inch. I say can, because it depends on what road I'm on - sometimes its fairly vibration free, other times incredibly bad.
I blew a tyre out in a pothole about 6 months ago, and I'm pretty sure the vibration predates that, though it may not have been this bad. Its difficult to remember clearly.
I've had the wheels balanced, twice, and there's now 0 grams difference. I've had the wheels aligned by a reputable garage. The tyres are new Eagle F1s.
It's driving me up the wall and really spoiling my enjoyment of the car. Does anyone have any suggestions what else may be causing it?
Up to about 60ish the car is nice and smooth. After 60mph up to at least 80mph the steering wheel vibrates so much it looks as though it moves about an inch. I say can, because it depends on what road I'm on - sometimes its fairly vibration free, other times incredibly bad.
I blew a tyre out in a pothole about 6 months ago, and I'm pretty sure the vibration predates that, though it may not have been this bad. Its difficult to remember clearly.
I've had the wheels balanced, twice, and there's now 0 grams difference. I've had the wheels aligned by a reputable garage. The tyres are new Eagle F1s.
It's driving me up the wall and really spoiling my enjoyment of the car. Does anyone have any suggestions what else may be causing it?
Are the wheels straight?
I had a bad vibration coming through which turned out to be a tiny hot spot/run out on the rotor which then made itself known through the steering wheel yet not through the brakes when you actually used them. What caused the bad vibration though was the rear front wishbone mount (ie the bit you replace as an anti-lift kit) and the damper being well past its best, albeit not blown. Get a prybar out and get working to see if any of the bushes are knackered. As soon as I fitted the ALK the problem 80% disappeared, the other 20% when I changed the dampers for STI spec items. I'd almost put money on a combination of factors such as the above; a tiny wobble caused by something like a disc, exacerbated through either a blown damper or knackered bushes.
I had a bad vibration coming through which turned out to be a tiny hot spot/run out on the rotor which then made itself known through the steering wheel yet not through the brakes when you actually used them. What caused the bad vibration though was the rear front wishbone mount (ie the bit you replace as an anti-lift kit) and the damper being well past its best, albeit not blown. Get a prybar out and get working to see if any of the bushes are knackered. As soon as I fitted the ALK the problem 80% disappeared, the other 20% when I changed the dampers for STI spec items. I'd almost put money on a combination of factors such as the above; a tiny wobble caused by something like a disc, exacerbated through either a blown damper or knackered bushes.
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