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Old 03-21-2006, 03:30 PM   #1
bryank930
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Default Will my car vibrate at freeway speeds if the wheel bearings are going???

Just like it says. My car vibrates like crazy from about 50-60, to the point that I cant even read my watch on my arm, then it slightly smooths out if I go faster than that. Tires are balanced, new brakes. The drivers side has a slight squeek sound that sounds like I need new brakes, but they're new.

I'm lost. Please help.

Bryan

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Old 03-21-2006, 04:26 PM   #2
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Default Re: Will my car vibrate at freeway speeds if the wheel bearings are going???

It could.
It also could be bad bushings.
Jack the car up and try to wiggle each tire side to side, and up and down.
With wheel bearings, the tire will move rather freely just a little bit. (bad bearing)
I would suspect a worn out bushing, tie rod end, or ball joint, however.

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Old 03-22-2006, 10:47 AM   #3
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Default Upper and lower engine/transmission mounts

I'd suggest first, that you check the upper (((>engine<))) mount, and the lower (((>transmission<)))mount. You're at the mileage reading, at which time, these two mounts have lived out their usefullness.

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Old 03-22-2006, 05:57 PM   #4
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Default Re: Upper and lower engine/transmission mounts

I changed the top mount about 3 weeks ago, and it did that before i changed it, and it still does it. It also makes a slight groaning noise when turning, thats why I asked.

PS: WOW 450,033 miles!!!! Do you have a pic of that??

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Old 03-22-2006, 06:16 PM   #5
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Default Re: Will my car vibrate at freeway speeds if the wheel bearings are going???

Look at the outer tie rods on both sides of your vehicle. If one of them has any play in it, it will cause the symptoms you described and needs to be replaced.

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Old 03-22-2006, 06:50 PM   #6
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Default Re: Will my car vibrate at freeway speeds if the wheel bearings are going???

I would use the spare tire, or get another wheel/tire that I know is properly balanced and try moving it from one corner to another until the problem changes. Are the tires new or older? If a tire is worn out of round, it can still be in balance and cause a high speed vibration. I would also consider checking that balance again or having them dynamically balanced.

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Old 03-22-2006, 10:37 PM   #7
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Default Re: Will my car vibrate at freeway speeds if the wheel bearings are going???

My "BET" is it is NOT the bearing. I actually had a bearing problem, and it was not like that at all. What you have is something very wrong with the tire/wheel.

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Old 03-22-2006, 10:52 PM   #8
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Default Re: Will my car vibrate at freeway speeds if the wheel bearings are going???

Quote:
Originally Posted by bryank930
Just like it says. My car vibrates like crazy from about 50-60, to the point that I cant even read my watch on my arm, then it slightly smooths out if I go faster than that. Tires are balanced, new brakes. The drivers side has a slight squeek sound that sounds like I need new brakes, but they're new.

I'm lost. Please help.

Bryan

Try rotating the tires front to back. Sounds like an out of balance wheel or possibly a tire tread that is delaminating.

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Old 03-23-2006, 01:34 AM   #9
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Default Re: Will my car vibrate at freeway speeds if the wheel bearings are going???

I have the same issue, with a humm/vibration only occuring between 50 and 70 mph. It gets faster/slower depending on speed, and disappears completely as soon as I hit 70.

I did get my tires balanced/rotated, and this actually changed the vibration tone and direction - so I think they somehow related. I won't be changing tires for another year or so though, so unless the vibration gets really bad, it'll just have to wait.

Besides, it just gives me a reason to drive slightly above the speed limit.

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Old 03-23-2006, 04:41 AM   #10
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Default Re: Will my car vibrate at freeway speeds if the wheel bearings are going???

I've got the same problem with my 01 SC1.

I noticed it when I first test drove the car, but since it went away at about 95kph, I didn't worry too much about it at the time.

It happened with my regular all seasons, and it happens with my snows, each set with their own rims. This makes me think it's not the wheels, but again I've got no idea what it could be.

Also, it doesn't happen everytime the car cruises at that speed, some days it's fine, others it's not so fine. Could it perhaps have something to do with the suspension?

I simply let any passengers know that it's the 80kph massage.

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Old 03-23-2006, 04:45 PM   #11
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Default Re: Will my car vibrate at freeway speeds if the wheel bearings are going???

I'd double check the tire balance. I had the exact same problem and balanced the tires myself. It fixed the problem with a couple of simple wheel weights.

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Old 03-24-2006, 02:18 PM   #12
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Default Re: Will my car vibrate at freeway speeds if the wheel bearings are going???

try this

You need drum brakes in the rear for this to work, discs have too much friction even when they're not applied.

Jack your car up and mount a suspect tire/wheel assembly on the rear drum. Use all the lugnuts but don't bother with any hubcaps.

Spin the tire like you're on "wheel of fortune". Give it a good whirl. It should spin at least five times. Let it spin down to a stop. It should nicely coast to a stop or this test will be invalidated (too much friction from brakes).

Note the valve stem position (I use "o'clock" for a reference).

Spin it again, and again. Note the position each time.

If the valve stem keeps showing up in the same spot, you need to add weight to the TOP of the wheel when left in that position.

If you spin a tire and it stops, reverses direction, and stops again, it is quite obviously out of whack.

Balancing is only as good as the tire store operator and the tune of his equipment.

You might also have a bent wheel, which will ride funny but look balanced in the above test.

Perfectionists will note this balancing method doesn't determine whether the weights should go on the inside or outside of the rim. However, it will point out an obviously poor balancing job.

I have my own lousy harbor freight tire mounting machine (pile of levers) in the basement and this is my balancing method.

One can buy sticky wheel weights, that work on steel and alloy wheels, on ebay. Mine were shipped in a priority mail flat rate envelope. Bet the post office loves that vendor!

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Old 03-24-2006, 03:12 PM   #13
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Default Re: Will my car vibrate at freeway speeds if the wheel bearings are going???

Could be the CV Axle.

Less than $100 part.

About an hour job.

One special tool for the axle nut (large socket), but most parts stores have a loaner program.

Here's what I'd do. Floor jack one side so the tire you are checking is off the ground. Have an assistant put car in Drive (or fifth) and spin that tire up to a good speed, while you CAREFULLY observe that wheel and axle for the vibration. It helps to view from several (safe) angles and use a BRIGHT light that you can shine on it.

Repeat for other side.

My worst cv joint (blown boot for the whole winter- son was driving car, not me) was speed sensitive in that the faster you went, the worse it got until above about 65, then it was just a constant roar.

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Old 03-24-2006, 03:53 PM   #14
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Default Re: Will my car vibrate at freeway speeds if the wheel bearings are going???

It really starts doing it at about 45-50, and smooths out at about 70ish. I'm going to have the tires re-balanced this weekend and see how that helps.

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Old 03-27-2006, 01:19 PM   #15
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Dizzy Re: Will my car vibrate at freeway speeds if the wheel bearings are going???

UPDATE: When I hit somewhat large bumps in the road (potholes), it feels like my car jumps to the side a little. It also seems like the rear is "harder" than the front, like I can feel the bump more when the rear tires go over it.


P.S.: I didnt get a chance to get the tires balanced this past weekend either do to being ill.

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Old 03-27-2006, 03:48 PM   #16
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Default Re: Will my car vibrate at freeway speeds if the wheel bearings are going???

I bet you have bum struts.

Push down on your front bumper in the corner, see if the car comes back and stops.

if it keeps bouncing, your struts are blown.

Most likely what you feel are your tires dribbling like basketballs down the road.

Compare this to how the rear of your car bounces, or just try your neighbor's cars when they aren't looking!

In all seriousness if you can't fix this you should see a mechanic b/c it sounds like it's getting real dangerous.

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Old 03-28-2006, 01:50 PM   #17
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Default Re: Will my car vibrate at freeway speeds if the wheel bearings are going???

thats the weird part. I did the push down thing, and it comes up and stops.

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Old 06-01-2006, 02:55 PM   #18
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Default Re: Will my car vibrate at freeway speeds if the wheel bearings are going???

Sorry, but I'm resurrecting this thread because I actually solved the problem and wanted to give an answer. I had actually started my own threads awhile back, but I think this one is the most informative.

To recap, I had a humming vibration that would pulse on/off whenever I drove on the freeway, usually between 55 and 70. It would only be at these speeds, but sometimes it wouldn't humm in the morning when I jumped on the freeway. Had the wheels balanced and new tires, but it was still there..

This past weekend I changed my struts (KYB-GR2s) and rotated the tires. The vibration moved with the rotation (from the rear to the front), but it was greatly dampened. I could barely hear it, but it was still noticeable.

I took it into the shop because my alignment and wheels are under warrenty, and told them to specifically check the front wheels for balance in addition to my alignment (I suspected the first time they did it was crappy). When driving home that afternoon, I have no more pulsing sounds

So it seems the problem was a combination of both my wheels being unbalanced, and old struts (they had 110k on them). I do have a slight vibration on the freeway, but it doesn't pulse and was always there. I suspect it might be time to replace my engine mounts....next on my list to do.

Hope this helps people.

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Old 06-01-2006, 03:28 PM   #19
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Default Re: Will my car vibrate at freeway speeds if the wheel bearings are going???

Here's somewhat of an update. Both the front tie-rod ends and ball joints are OK, same with CV axles. I know in the rear I need sway bar end links (rattles, and they're loose). But now the vibration gets progressively worse as I go faster, at 90, I cannot read my digital odometer anymore, and it feels like I'm about to DIE. But from about 45 on up it gets progressively worse.

It could be the struts/mounts, as they're original (106k). But now, bumps feel fine. The car no longer jumps to the side anymore. BUT, the inside edge of the tread on my drivers-side rear tire is gone, completely bald. But only that tire. So I'm starting to think that wheel is causing all my problems. The car goes in for an alignment tomorrow (6/2), so we'll see what happens then.

Bryan

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Old 06-01-2006, 03:47 PM   #20
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Default Re: Will my car vibrate at freeway speeds if the wheel bearings are going???

I had that on my car and it was the wheel bearing in the front. It was so bad that when the bearing was pulled, you can see where it ate through the race that holds it.

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