[T2] Rear brake problem, brakes lock when braking

[c.dreike]

Could the new proportional valve have a problem?  I know that adjustable 
proportional valves are available.

Chris

On 1/19/2019 5:28 AM, Daniel Martinelli 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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