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#1
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Maybe not the wheel bearings?
So my fiancee has had a pearl '92 LS-L for about 4 months now, with the usual assortment of 14 year old SVX problems. One of those was a very mechanical sounding buzz under acceleration sometimes and in turns, almost definitely if accelerating in or out of turns. Sound was definitely coming from the rear, and I could distinguish that it was mostly from the right, a couple times from the left. It's not a constant buzz, just lasting anywhere from 1 to maybe sometimes 10 seconds, which made it all the more aggravating to hear.
Just yesterday I had both rear bearings replaced, including changing the grease from the packing stuff. It was done by an ex-Subaru mechanic who verified everything he was doing with a master tech at the dealership down the road. He said the old bearings had definitely been redone once already, and looked pretty bad from wear and the previous install. Having paid $425.00 (thank god for employee labor rates) for everything, we headed home only to hear the buzz once more. Understandably, I'm a bit pissed. I'm gonna talk to the shop foreman today and have a tech test drive the car to see if they can pin the noise on something else. I'm pretty sure the tech pressed the bearings with a shop press, but he's one of our most qualified mechanics, so I'm assuming he didn't bork anything, but I won't rule that out completely. Outside of their opinion, I'd just like to throw the question out to the people here of what else it could be. To reiterate, it's a *temporary* buzzing that happens mostly under acceleration in or right after turns. It has gotten louder since we bought the car, which led me to pin it on the bearings in the first place. Any ideas are appreciated. |
#2
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try putting in the fwd fuse so it will disengage the AWD and you'll be running front wheel drive only.....maybe it's a binding issue of some sort in the rear. It should go away when fuse is in.
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#3
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"Buzzing under acceleration" says vibration to me. Exhaust heat shield, something like that. Bearing or driveline troubles usually announce their arrival with a roar, clunk, shudder or thud. Just guessin'.
In my experience, when the rear wheel bearings need to be replaced, you'll have no doubt. dcb |
#4
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Well, either way the rears are done, that'll teach me to self-diagnose on a whim again. Mechanic said the ones in there looked pretty bad (poor install), and the road noise definitely went down a bit, so the money at least wasn't wasted.
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#5
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My rear binding is noticeable when I turn slow in parking lots..left or right...even turning from traffic lights onto streets. Sounds and feels like I have a subwoofer pushing bass from the rear.
Yes I will get it looked at this summer eventually....I'm too lazy right now |
#6
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mine binds in parking lots and stuff too. terminal, check the wear on your tires. it could be that they are all feathered and thats the sound your hearing-happened to me!
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