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Discussion Starter · #1 ·
I have a humming the has occured off and on for the past month. It is coming from the left front wheel. I am assuming that it is a bad wheel bearing. Any pointers of what it might be?<p>I"m taking my car in today I figured if I could tell them it would speed of the time of my car being fixed.<p>thanks
 

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Re: Humming from left front wheel? (Stoobey)

Probably the wheel bearing like you said. They have been known to go out in the R early. Might even just be that the wheel is very slightly out of balance. I doubt it's something as costly as a cv joint.
 

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Re: Humming from left front wheel? (Stoobey)

Possibly wheel bearing, though the sound of a bearing going out will normally have some form of modulation associated with the speed of rotation ... i.e., it may become louder or raise in pitch as you increase speed. A bearing will also tend to not be intermittant ... if it's going out, the damage is done and just progressively gets worse and worse, louder and louder over time and miles.<p>If it's a constant pitch sound that doesn't vary with speed, and it tends to come and go intermittantly regardless of speed ... you may want to search up on some other threads talking about the steering ram issues. I just had mine replaced at 20K miles. I started to hear an intermittant 'humming' sound that sounded like blowing across an empty beer bottle. Pitch was constant and independent of speed and the intensity was very intermittant: barely audible most of the time, then would suddenly jump up and get so loud it would resonate through the whole car, then just go away.<p>Doubtful that it's a CV joint ... but check your axle boots. CV joints will fail very quickly if the boot is torn and the joint is exposed to the elements. A CV joint exposed to dirt and water will grind itself to dust pretty quickly. Most of these R cars aren't old enough yet to suffer from degrading rubber on the boots, so a boot would most likely have to fail from being torn from some other 'event'. A failing CV joint is usually accompanied by clunking sounds when transitioning into Drive or Reverse as the joint gets sloppy. If you do see a torn boot ... do not treat it casually, get it replaced immediately!<p>Years ago when I was a stupid teenager driving an old beatup diesel Rabbit (don't laugh ... I was a poor student) ... I lost the CV joint and only figured it out when the ball bearings hit the underside of the car as they toppled out while I drove down the freeway.
 

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Re: Humming from left front wheel? (dawghouse)

If you think it is a front left wheel bearing, then try this. At parking lot speed with your driver window rolled down, turn the steering wheel to the right. The noise should get louder as the weight transfers to the front left wheel. If it does, then I would say it is the front left wheel bearing. I just had one of mine go out and I had them replace both left and right at the same time. oclv
 

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Re: Humming from left front wheel? (oclv)

Mine makes a hum but only as I slowly creep to a stop WITHOUT the breaks applied. I think my LF calipre sliders are sticking and leave the break pads dragging on the rotor a bit too much.<p>Stoobey, you sure yours is not related to your breaks? Let us know what they find...<p>LTA<br>
 

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Re: Humming from left front wheel? (LTA)

A bad wheel bearing becomes louder as you go faster.<br>I just replaced on in an 01 with <B>low</B> miles (first one, too)
 

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Re: Humming from left front wheel? (dawghouse)

I'm getting the same type of thing. Took it in the other week and they were unable to replicate it on their test drive. I'm pretty sure it would be the steering ram, as dawghouse's description sounds spot-on. Is this something that I need to get fixed immediately, or can I wait on it for a bit? Any help would be greatly appreciated. Thanks.
 

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Discussion Starter · #8 ·
OK good news and bad for the humming<p>I took my car in and they took it for a test drive and brought it back saying they herd nothing I was like well let me drive you because it only occurs at certain speeds and under certain loads.<p>Once I took the mechanics for a ride they were pretty stumped on the noise because what ever it is has got to be heated up before it starts humming. WE think wheel beariung is out of the question because it doesnt get louder. <p>Next they took my break apart and lube them up saying maybe the pins are sticking and your break is rubbing. No help on that one.<p>Finally they lifted my car up to look under the engine and there is a large bearing connected to some type of drive line note this is on the right side of the car closer to the right wheel but the driveline or whatever it is goes to each wheel. Also the noise was the lloudest on the left side but the bearing is cloaser to the right wheel. They decided to lube it up and clean it assuming it was dried out and that this would fix the problem. <p>Good news is that this has reduced most of the humming by probably 60% but it still hums somtimes not annoying like was but it still does it. So I am assuming this bearing needs to be replaced. <p>Any pointers on this problem<p>thanks
 

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Re: (Stoobey)

Keep us posted please. I think a few of us are going through the same thing, but can't quite narrow down what it is. Read a couple of the posts in this thread:<p><A HREF="http://forums.swedespeed.com/zerothread?id=64285" TARGET="_blank">http://forums.swedespeed.com/zerothread?id=64285</A><p>My car would basically "hum" at speeds greater than 30mph when I was very light or off throttle completely. It also seemed to do it more with the hotter temps, and it takes about 5 miles at speed to make the "hum" come alive. My tech heard it once and said it sounded like play in the gears, which was normal. I tried to have him listen again because it was really annoying for a week (temps were in the mid 90s), and the day I had him listen it ended up raining and being pretty cool out. <IMG NAME="icon" SRC="http://www.vortexmediagroup.com/images/banghead.gif" BORDER="0">
 

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Re: (Stoobey)

Well I am sorry to hear this but at the same time I am glad that someone else has the problem and that I am not alone in the matter. <p>I have been getting this for the past 6 months and it is driving me crazy. Every time I am at the dealer they can't seem to figure out what it is. Looks like I will have to take a day off and get them to look at it with me. At least you are working towards a solution.<p>I was also told that it's not simply wheel bearings and the techs have said that it isn't the steering column. <p>In my case, the humming happens all the time, but is especially noticeable over 40 mph when you let off the gas, and when taking on/off ramps at decent speed, or when changing lanes at speed. It confuses the hell out of me and my latest guess was that it had something to do with the driveline and excessive vibration. <p>Could some of the engine mounts be worn, causing more vibrations and hence more wear to driveline bearings? Is this theory even possible?
 

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Discussion Starter · #11 ·
Re: (Vipergtsz3)

You problems seem to almost match mine.<p>Mine occurs the most over 40mph, but not under acceleration. Only when i'm cruising or slowing down. When I apply the breaks it stop immediately. If I barely apply the breaks it kindove muffles or changes the sound a little bit, but when I apply the breaks like normaly or when i'm coming to a stop light it kills the sound.<p>thanks
 

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Discussion Starter · #12 ·
Re: (I Roll)

yea same thing hear<p>It mine occurs on throttle barely or off throttle. when i'm rolling in traffic is will somtimes hum pretty loudly while the wheel is turning. When i'm under acceleration I get nothing. I am assuming the vibration from the engine it taking care of it.
 

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Discussion Starter · #13 ·
They told me if it still is happening they are going to hook up some head phones while i'm driving and try to pin point the locations. I'm taking my car in tommorrow for this.
 

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Re: (Stoobey)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>Stoobey</b> »</i></TD></TR><TR><TD CLASS="quote">You problems seem to almost match mine.<p>Mine occurs the most over 40mph, but not under acceleration. Only when i'm cruising or slowing down. When I apply the breaks it stop immediately. If I barely apply the breaks it kindove muffles or changes the sound a little bit, but when I apply the breaks like normaly or when i'm coming to a stop light it kills the sound.<p>thanks</TD></TR></TABLE><p>Exactly the same thing as me. Those are the same symptoms that I find. Light braking, or taking my foot off the throttle above 40 is the worst.
 

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Re: (Stoobey)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>Stoobey</b> »</i></TD></TR><TR><TD CLASS="quote">They told me if it still is happening they are going to hook up some head phones while i'm driving and try to pin point the locations. I'm taking my car in tommorrow for this.</TD></TR></TABLE><p>Please let me know how this turns out. I can't figure it out and the dealer hasn't been willing to work with me. I have been told many a time that the regional service rep would be in to see my car, but low and behold, every time he is in, I get no call.
 

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Re: (Stoobey)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote »</i></TD></TR><TR><TD CLASS="quote">Mine occurs the most over 40mph, but not under acceleration. Only when i'm cruising or slowing down. When I apply the breaks it stop immediately. If I barely apply the breaks it kindove muffles or changes the sound a little bit, but when I apply the breaks like normaly or when i'm coming to a stop light it kills the sound.</TD></TR></TABLE><p>Mine is doing this same exact thing and you described exactly like I did to my advisor. My car is in the dealer right now for this, among other things. I will let you know what happens when I get it back. I'm hoping I don't get the "sorry we were unable to reproduce"
 

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Re: (Vipergtsz3)

This is exactly the noise which my car is making.. My dealer has taken it on a test spin, and believe it is a bearing in one of the front transmission boxes.. They are getting the car in a couple of weeks, to try and use a listerning device to find out where it is coming.. <p>
 

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This sounds like it's happening a lot to people. Mine is an '05 S60 with about 18,000 miles on it. Are you others experiencing this at around the same mileage?
 

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Re: (yesan)

Mine has 14,500 on it, MY05 also. <p>Just got back from the dealer, says "could not reproduce" but did mention if I hear it again to bring it right back and they'll the tech ride with me. <p>Guess I jinxed myself with the earlier comment...
 

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Re: (yesan)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>yesan</b> »</i></TD></TR><TR><TD CLASS="quote">This sounds like it's happening a lot to people. Mine is an '05 S60 with about 18,000 miles on it. Are you others experiencing this at around the same mileage?</TD></TR></TABLE><p>It started happening to me around 21K miles. I have been dealing with it for about the past 10K miles since a few different service departments haven't been able to figure our what the problem is. Not everyone has this problem though, so it would be tough to tell you how many miles it would take to see it. My guess is that right around now would be when you may start to see it. <p>The odd thing about it is that it doesn't really get worse as time goes on, but stays constant and annoying.
 
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