Things they don't tell you about your AWD Subaru

Discussion in 'General Motoring' started by S, Jun 9, 2009.

  1. S

    XR650L_Dave Guest

    Just remember to rotate 'em and make sure the tread depth is the same
    on all 4.

    XR650L_Dave, Jun 17, 2009
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  2. S

    Yousuf Khan Guest

    Although what you described is possible, it's not possible for a manual
    transmissioned Subaru. The manual transmission version of Subaru's AWD
    doesn't use a clutch pack, it uses a viscous coupling system. The clutch
    pack was used on the lower-end automatic transmissions fitted to
    4-cylinder engines. The viscous coupling becomes less viscous with
    heating, thus harder to move through; the speed differences between the
    front and rear drive shafts cause the fluid to heat up and become firmer.

    A possible way this could be a problem is that if the front and rear
    tires have worn away at different rates and now have different
    diameters. This might look like torque bind, but it is easily remedied
    with new tires bought for all four wheels at the same time.

    Yousuf Khan
    Yousuf Khan, Jun 29, 2009
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