I agree with this. After all you've done, the problem has to be the
master cylinder. This wouldn't be the first time a new part is
defective.

Jim

On Jan 11, 2007, at 11:52 PM, Rob wrote:

> If the symptom is brake pedal, no brake pedal, then brake pedal it's
> the master cyl, even if it's a new MC it's the MC.
>
> Rob
> becida@comcast.net
>
>
>
> At  1/11/2007 09:21 PM, Matthias Kuster wrote:
>> Could also be that my rear shoes are bad. They are old, seemed to be
>> almost as thick as the new ones. Should have put the new ones on? My
>> handbrake on the other hand will only go one click, then rear wheel
>> are almost locked.
>>
>> Matthias
>> On Jan 11, 2007, at 8:54 PM, neil wrote:
>>
>>> On 1/11/07, Matthias Kuster <matthiaskuster@verizon.net> wrote:
>>>> Hi list,
>>>>
>>>> I am looking to get some input on my brakes for a 1984 Westy:
>>>>
>>>> I have replaced front calipers, ................
>>>
>>> On my 81 I have two bleed screws per caliper. Your's may too. Maybe
>>> gravity bleeding from bottom screw would help get all air removed.
>>> Though if air was in system, pedal would be spongy, so air in lines
>>> may not be culprit......hmmm....
>>>
>>>>
>>>> I have bled the system now the 7th time with a pressure bleeder
>>>> at 20
>>>> psi, ....... I have also done it just with the pumping method
>>>> once, with a
>>>> hose attached to bleeder screw and submersed in liquid.
>>>
>>> Try gravity bleeding system.
>>>
>>>
>>> Are you sure shoes are adj. close enough to drum?
>>>
>>> On my van I went through something similar. I had replaced rear
>>> cylinders, shoes, hardware, drums, MC, and one steel line. I bled
>>> the
>>> system a few different ways trying to fix this:
>>>
>>> after pushing pedal once, and when van running I would get good
>>> pedal
>>> pressure/height and it would stay that way while driving. But in the
>>> morning, first push of pedal, cold, engine off, it would go right to
>>> floor. Shouldn't happen that way. There should have been some pedal
>>> height even with booster off.
>>>
>>> I posted questions and got some really good tips from vanagon,
>>> wetwesties and diesel vanagon. I was also told by local Vanagon
>>> mechanic that there are check valves on the MC that may allow this
>>> symptom to happen.
>>>
>>> Try searching vanagon, diesel vanagon, wet westies lists under:
>>>
>>> "Eng. off/cold; brake pedal goes to floor. Eng. on/pump pedal;
>>> pedal height ok."
>>>
>>> "Brake problem (Long. Am at wits end. Archives down. Please help!)"
>>>
>>> "Brake problem. Am at wits end. Please help!"
>>>
>>> or various permiatations thereof, or simply use "bleeding"
>>>
>>> Cheers,
>>>
>>>
>>> --
>>> Neil Nicholson. 1981 Air Cooled Westfalia.
>>>
>>> http://web.mac.com/tubaneil
>