Try loosening the lug bolts/nuts a little and retightening evenly with a
torque wrench.  This made a difference for me on an Outback after tire
installation at an establishment that I no longer frequent.

Larry A.

On Thu, Mar 3, 2016 at 10:52 AM, Richard Koerner <rjkinpb@sbcglobal.net>
wrote:

> I took my 85 Vanagon with 220,000 miles in to have Front Wheel Bearings
> repacked, Rear Wheel Bearings repacked (inspection revealed all bearings in
> good shape, no replacement), brake fluid flushed.  Mechanic did those; he
> also noticed about 1/8" play on the left Tie Rod bushing, the right side
> had no play, so got the left Tie Rod bushing replaced.
> As I drove off, I sensed a slight "shudder" when lightly applying brakes
> at low speed, maybe 20 MPH.  The sensation was like driving over washboard
> road surface, in fact that's what I thought it was.  But as I drove further
> and started testing different brake pressure at different speeds, the
> shudder was reproducible.  Again...always with a light touch on the brakes
> and at low speed like coming to stop.
> Took it back to mechanic.  He thought at first warped rotors.  But the
> problem wasn't there before the bearing re-packing.  He drove it....and was
> dumbfounded.....said he'd never seen anything like this before.  And the
> shuddering appears to be getting worse.
>
> We are stumped.  Any ideas?
>
> RichSan Diego
>