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  #1  
Old 11-15-2015, 06:22 AM
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Vibration

I have had a vibration in the car for quite some time. I originally thought it was the front axles. I replaced both of them when a boot cracked open. The vibrations seemed to get a little better but didn't go away completely. Yesterday I noticed something that clearly was not my imagination. I got onto a highway and, while accelerating, it was vibrating quite a bit. Then, suddenly, it got way better. It seemed to happen when I backed off on the accelerator but subsequent attempts to hit the gas did not bring back the vibration. I was feeling it both in the steering wheel and the whole car. When it got better, there was just a slight vibration in the car, or so it seemed.

Any ideas? Car still idles pretty good and gas mileage on the highway at 70mph was about 27. Seems like it is running well. U-joint maybe? Steering rack issue? I do get some burning smell that snells like burning ATF but no major spots on the driveway.
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Old 11-15-2015, 08:07 AM
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ensteele ensteele is offline
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Re: Vibration

As far as the burning smell, does your power steering have a leak? That is usually what it is.
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Old 11-16-2015, 06:43 AM
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Re: Vibration

Hi Tony,
The driveshaft bearing can make a vibration. I'm not sure how to test it though.
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Old 11-17-2015, 01:48 PM
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Re: Vibration

Quote:
Originally Posted by processengr View Post
Hi Tony,
The driveshaft bearing can make a vibration. I'm not sure how to test it though.
Where is that located?
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1996 Polo Green Subaru SVX LSi, 168,XXX miles, Redline D4 ATF, Redline 75W90 gear oil, K&N HP-4001 Oil Filter, Mobil 1 5W50 FS (3qt) and 5W30 High Mileage (4qt) Oil Blend, Motul RBF600 Brake Fluid, AC Delco A975C Air Filter, NGK BKR6EIX-11 plugs, Centric Rotors, Power Stop Evolution Carbon Fiber Ceramic Brake Pads
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Old 11-17-2015, 06:17 PM
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Re: Vibration

There is one in the center. It looks like a standard U joint, but staked in. It is considered not replacable. YT tried replacing one for me, but had trouble. My local driveshaft shop (Connecticut Driveshaft) who does all sorts of trick driveshafts for racers, etc. said it was better to buy a replacement driveshaft...
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Old 11-17-2015, 06:20 PM
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Re: Vibration

are replacement driveshafts even available for our rarer than rare cars?
go ahead and have that place look it up for us.
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Old 11-20-2015, 11:35 AM
RojoRocket RojoRocket is offline
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Re: Vibration

Is this referral to "Prop-shaft bearing" indicating what in my FSM is called the "Center bearing", and subject to availability problem? The FSM says the "Center bearing" is replaceable. Sounds like she has one available.

http://www.subaru-svx.net/forum/showthread.php?t=63711

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