245 '82 Brake Failure warning

[Johan Plane]

After having been unused for two years while restoring the car, time has
come to take it out into life again. However, upon test driving the
brake failure light went off. I cannot find anything faulty with the
brakes, but can a jammed main brake cylinder (master and/or slave
cylinder) make the switch flip? And if the balance in the two circuits
is restored, does the switch reset itself or do one have to do that
manually? I remember having read about this way back, but can't remember
how it was. I hope someone can shed a light on this!

Johan

 

[James Sweet]

After having been unused for two years while restoring the car, time has
come to take it out into life again. However, upon test driving the brake
failure light went off. I cannot find anything faulty with the brakes, but
can a jammed main brake cylinder (master and/or slave cylinder) make the
switch flip? And if the balance in the two circuits is restored, does the
switch reset itself or do one have to do that manually? I remember having
read about this way back, but can't remember how it was. I hope someone
can shed a light on this!

Johan

All sorts of things can cause the switch to trip. IIRC you take the cap off
the end and push the piston back, it's been a while since I've messed with
it though.

 

[Mike F]

After having been unused for two years while restoring the car, time has
come to take it out into life again. However, upon test driving the
brake failure light went off. I cannot find anything faulty with the
brakes, but can a jammed main brake cylinder (master and/or slave
cylinder) make the switch flip? And if the balance in the two circuits
is restored, does the switch reset itself or do one have to do that
manually? I remember having read about this way back, but can't remember
how it was. I hope someone can shed a light on this!

Johan

These switches are supposed to reset themselves, and when they're new
they do. However crap in the system can jam things up, and require you
to manually recenter the plunger.

--
Mike F.
Thornhill (near Toronto), Ont.

Replace tt with t (twice!) and remove parentheses to email me directly.
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