If you work fast with a rag under the cylinder, you can change both
switches (my 89 has two, so I assume others do)without much mess.

I don't remember bleeding afterwards, but as I said you must work very
quickly.

Jim

On Monday, October 20, 2003, at 12:34 PM, Jeff Oxroad wrote:

> Is there a trick to changing the brake light switches on the master
> cylinder
> that won't fill the area behind the dash with brake fluid? Do I need
> to drain
> the system at a wheel and then bleed the system. Or if the switch is
> unscrewed
> while the system is not under pressure can it bee done with little
> spillage.
> If this works must I then bleed the system?
>
> Thanks.
> Jeff
> 83.5 Westy
> LA,CA
>