[T2] Rear brake problem, brakes lock when braking

[Al Brase]

Make sure your brake hoses are not too old. They disintegrate inside and
the rubber bits end up like check valves. You can still apply the brakes
but the return springs only put minimal pressure to push the fluid back to
the master cylinder.
FWIW, ALL brake hoses have DATES on them, at least since 1968, maybe? 10
years is about the end or the safe use by date!
Al

On Sat, Jan 19, 2019 at 7:28 AM Daniel Martinelli <daniel.martinelli at gmx.ch>
wrote:

> Yes, they do look fine but we decided to refurbish them, as we have the
> parts and see what happens
>
> Daniel
>
>
> On Sat, 19 Jan 2019 at 02:37, Robert Camacho <bcoldpro at aol.com> wrote:
>
> > How old are the rear brake shoes? Have those been visually inspected?
> >
> >
> > -----Original Message-----
> > From: Daniel Martinelli <daniel.martinelli at gmx.ch>
> > To: Type2 list <type2 at type2.com>
> > Sent: Fri, Jan 11, 2019 8:33 am
> > Subject: [T2] Rear brake problem, brakes lock when braking
> >
> > Dear all
> >
> > A friend of mine has a weird problem with his T2b camper rear brakes.
> When
> > braking hard, on the road, the rear brakes lock up. We replaced the front
> > disk brake pads to no avail, checked the caliper pistons and they are
> fine.
> > Tires are almost new and correctly inflated.
> >
> > On the test stand, when tested independently the rear and front brakes
> work
> > perfectly.
> >
> > We thought it could be the proportional valve, replaced it but the
> problem
> > persists.
> >
> > Sooo, apart from the proportional valve, what could influence brake
> > distribution from front to back? We are at a loss here.
> >
> > Any thoughts?
> >
> > Thanks a lot
> >
> > Cheers!
> >
> > Daniel
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