The one way to break them loose is.... rev the engine drop the clutch.
Otherwise you're going to have to back off the adjusters, spray solvent
into the brakes through the adjusting port and any other orifice that
will allow you to spray Liquid Wrench or other solvent through. Then you
wait a few hours for the soaking process.
Did this on a 62 bathtub 356c Porsche and it worked great.

Stan Wilder

On Mon, 24 Dec 2001 15:55:03 -0800 Chris Holtz <holtzwagen@HOTMAIL.COM>
writes:
> Please help me.  My 85 Westfalia has been sitting for 5 weeks at the
> Vancouver airport (rain with temperatures around freezing at night,
> warmer
> during the day).
> The bus starts great, the standard transmission works great, but I
> can't
> move it, backward or forward.  He "hunches-up" but won't go.  It
> feels as
> though the rear brakes have frozen.
> I did make the mistake of putting the hand-brake on before parking
> and
> catching my flight 5 weeks ago (I didn't know I'd be gone so long).
> The hand
> brake feels tight and feels like it is disengaging.  My Bentley
> manual is at
> home in Calgary (far away)((next time it stays in the bus!)).
> I appreciate your help.  Thanks very much.
> Chris Holtz
> '85 Westy - "Gromit"
>
>
>
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