Question about 1990 Subaru Legacy

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Constant whine when driving and wheels lock/skid in sharp turns

I have a subaru legacy 1990 model, and it makes a fairly loud noise, it is constant in all gears so I think it is possibly a bearing in the transmission and when you are turning sharply the wheel on the outside of the turn locks up and skids. any ideas on what it might be? I have replaced the rear dif so i am pretty sure it is in the transmission

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  • adcaveman99 Mar 06, 2009

    I actually work at a mechanic shop, so I have already tried that and the sound is definitely coming from the transmission. I have replaced the Differential. I was just hoping somebody would know something about the inside of these transmissions who might be able to guess what I am dealing with. I think it is something with the AWD but I am not sure

  • adcaveman99 Mar 07, 2009

    what do you mean by the differential lock?

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One way to track down the noise; since sound travels through metal its hard to pinpoint when driving in the car.
Jack all four wheels off the ground securely (preferably a lift) and run the car with the wheels spinning. Then, without dying, listen for the noise. The dealer can do it for you as well. But sounds like a bad differential.

Posted on Mar 06, 2009

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  • Roger Gantner Mar 06, 2009

    is the differential lock stuck on?

  • Roger Gantner Mar 06, 2009

    is the differential lock stuck on?

  • Roger Gantner Mar 07, 2009

    well, some cars have either a button inside the car that allows the driver to lock the differential so that all four wheels spin with one another, but some have an automatic locking or automatic unlocking differential. The advantage of it is that it allows the driver to get out of slippery situations, the disadvantage is that the inside wheel (in a turn) spin at the same speed as the outside wheel, so it will make cornering more difficult.
    Now, I dont know if the Subaru has this, but if it does, it explains the extra noise as well as the weird behaviour of the outside tire.


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