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Old 01-11-2006, 04:13 PM   #1
banman
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Default Vibration in steering wheel - what could it be?

I'm pretty sure it's not a wheel balance issue, because it's there no matter what set of wheels/tires I have on (although I haven't tried it with my summer wheels/tires yet). It only appears at around 80km/h, gets slightly worse with increasing speed from there on. Doesn't get worse with braking, so I don't think it's the rotors.

It might have been related to a couple of offs at Totem in November, but they were both backwards and through snowbanks at relatively low speed, so I'm pretty sure I didn't damage anything mechanical.

The only other driveline components I could think of would be the front half-shafts, and I imagine those would be hard to bend. I'm assuming bent/warped anything else would be felt not just in the steering wheel.

Thoughts?
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Old 01-11-2006, 04:27 PM   #2
Reckon
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I say wheel alignment. prolly toe/camber off

have a 4 wheel alignment done and see if that corrects the problem
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Old 01-11-2006, 04:33 PM   #3
andys
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it's wheel balance. get the mud out.
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Old 01-11-2006, 04:34 PM   #4
banman
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Quote:
Originally Posted by andys
it's wheel balance. get the mud out.
Negative - happens with two different sets of wheels.
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Old 01-11-2006, 04:35 PM   #5
banman
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Quote:
Originally Posted by Reckon
I say wheel alignment. prolly toe/camber off

have a 4 wheel alignment done and see if that corrects the problem
That was my next thought.

Recommendations for wheel alignment places?
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Old 01-11-2006, 04:40 PM   #6
scoobysport
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Dale's Alignment in Langley.
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Old 01-11-2006, 04:48 PM   #7
Penphoe
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Are you running the stock wheels or have you gone aftermarket? If you're running aftermarket wheels, are they hubcentric?

LaterZ!
Darren!!
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Old 01-11-2006, 04:54 PM   #8
banman
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Quote:
Originally Posted by Penphoe
Are you running the stock wheels or have you gone aftermarket? If you're running aftermarket wheels, are they hubcentric?

LaterZ!
Darren!!
I'm currently running Blizzaks on steelies, but I also get it with new all-seasons on the stock wheels.
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Old 01-11-2006, 06:38 PM   #9
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Both sets of wheels are out of balance. how can a bad alignment cause shaking? It doesn't make sense.
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Old 01-11-2006, 06:42 PM   #10
banman
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Quote:
Originally Posted by andys
Both sets of wheels are out of balance. how can a bad alignment cause shaking? It doesn't make sense.
I know - that's why I was asking. I suppose the last thing to check is swapping to my summer wheels and see if it goes away.
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Old 01-11-2006, 07:10 PM   #11
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bent wheel.
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Old 01-11-2006, 07:10 PM   #12
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swap front wheels to the back.
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Old 01-11-2006, 08:36 PM   #13
civilone
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Hey guys, I understand that some other cars besides Subaru have this issue as well.

Is there anyway to prevent this from happening or this is natural when you use the car after a period of time? Thanks very much for answering this noob question.
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Old 01-11-2006, 09:08 PM   #14
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This is common on the Porsche 944/951 series of cars as well as Miatas, usually at 60-65mph.
Opinions differ on the cause, but heres a few options.

Wheel balance on modern computerized machine or on the car.
Worn steering parts, ie bushings, tie rods, ball joints etc.
Warped rotor.
Water inside tire from gas station air lines, Ask me how I know
Wheel locks. (weight difference)
Sticking brake caliper.
Bent wheel, doesn't take much either.
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Old 01-11-2006, 09:43 PM   #15
jason t
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1. Check balance at a reputable tire shop. Alot of times a shop will balance tires when their machine is out of calibration. It will show the tires are balanced but they are not. We see this alot.

2. See if the shop has a 4 post lift with additional jacking beams to lift car off of the lift. Jack the front and rear up(all-wheel-drive) and spin the wheels and check for excessive run out of the tires(bouncing up/down, side to side). A balance will not correct a vibration caused by physical run out of a tire. If it looks like a wheel is bent when spinning but when it is on the balancer its true, it is possibly a bent spindle/hub.

3. Wheel alignment in most cases won't cause a vibration. I say most cases, because if your alignment is way out or you have done something(curb damage) to decrease your caster alot. Having too low caster will give steering instability that causes "death wobble". We see this more when a truck has a suspension lift installed. Alot of suspension lifts will lower caster that will then cause "death wobble".

4. Front axles? How many km on your car? warranty?

I hope this is a start, but it is really hard to diagnose a problem without test driving the vehicle.
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Old 01-12-2006, 01:20 AM   #16
lummer shawn
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like andy, id say mud, you say two sets of tires, id still say, mud too


anyways, if its not mud
check the cv joints
make sure you didnt tear a boot and seize up a cv joint
buddy has this happen on his subie last week

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