There are two types of seal found in these units. O ring or cup.
The kit listed in the Moss catalog will repair the o ring type. I am not
aware of any kit that contains the cup type seals. The kit contains two
pairs of O rings and the copper washer for the end plug. Repair is simple.
> Hi MG guys & dolls!
> When filling the brake system of my '71 BGT I found, that a
> switch really
> can bleed.
> Hydraulic fluid came out of the differential pressure warning
> switch of the
> dual brake system. A repair kit under partnumber 181-985 is
> listed in the
> Moss catalogue.
> According to my local part supplier a repair kit may solve
> the problem, but
> he was not sure it would be succesful. (The only things which might be
> needed are two O-rings on the piston which functions as an
> actuator for the
> switch and the actual switch I think).
> Is there anyone who has had the same experience and what was
> the solution?
> Thanks in advance.
> '71 BGT bleeding where it should not....