DIESEL wrote:
> Is there a way to adjust the proporshing valve manually on the brake
> system to increase the rear brake grip ??
>
At that age you should replace the complete parking brakes, brake shoes,
springs and the bowden cable.
First aid is lubricate and adjust the bowden cable. The break shoes can
be adjusted through a hole in the wheel center. Use a lamp and a turn
screw.
--
Roland Franzius
>> Stay informed about: 1985 300sd rear brakes