Yep. I had a friend put his hand on it while I pumped the pedal and it
is definitely the source of the noise. Maybe I'll take a trip out to
Mark I VW and see if I can get one off of his parts Vans...

On Jul 31, 2009, at 8:32 PM, Scott Daniel - Turbovans wrote:

> 'pressure reducer device' ........
> that brake pressure limiter thing under the right front, up in there ?
>
> If that's the part you mean.......be very surprising if it's the
> source of a
> noise.
> If I thought that, I'd just pop on a used one.
> I have many of them, on parts vans.
>
> I have also purchased and installed an adjustable one .......a
> racing part.
> for a rear disc brake SVX Syncro vanagon. That's one way to get a
> new one.
> I rigged that one so I could reach in the right front wheel well,
> and turn
> the bias adjustment on it.
> Scott
> www.turbovan.com
>
>
>
> ----- Original Message -----
> From: "Kim Brennan" <kimbrennan@MAC.COM>
> To: <vanagon@GERRY.VANAGON.COM>
> Sent: Friday, July 31, 2009 3:57 PM
> Subject: Re: Brakes, reprise
>
>
>> Brand new master cylinder and o-ring. No sign of brake fluid in the
>> booster (though I have one available to put in if thats the problem.)
>> I'm really tending to think that the noise is from the pressure
>> reducer device. Which is NLA of course. Van-Cafe is temporarly out of
>> used ones, though they expect a couple in next week.
>>
>> I like how Van-cafe says, "rarely fails, but NLA new" in the
>> description for their used ones. Sort of a critical part to the
>> brakes. Oh, well, the price of an 18 year old vehicle...
>>
>>
>> On Jul 31, 2009, at 6:35 PM, Scott Daniel - Turbovans wrote:
>>
>>> I'd check the o-ring that's between the master cylinder and booster.
>>> I'd also look for signs of brake fluid inside the booster,
>>> and deteriorated paint on it......from brake fluid leaking from the
>>> master cylinder.
>>>
>>> it's odd............great breaking when it's making the sound.
>>> My attention is sure drawn to the booster.
>>> and the vacuum nose from engine to brake booster.
>>>
>>> I have seen twice............what looked like to be an ice pick
>>> hole poked into a vanagon plastic line.......
>>> for no reason 'at all'..............just a hole in the plastic line,
>>> appearing to be punctured in from the outside.
>>>
>>> One was a vacuum brake booster line.
>>> one was a plastic coolant bleed rail around the top of a 2.1
>>> waterboxer engine compartment. And no explanation of how those holes
>>> got there at all.
>>>
>>> thanks for saying it's a Westy Syncro .  Will be interested to see
>>> what you find.
>>> Scott
>>> www.turbovans.com
>>>
>>>
>>>
>>> ----- Original Message ----- From: "Kim Brennan"
>>> <kimbrennan@MAC.COM>
>>> To: <vanagon@GERRY.VANAGON.COM>
>>> Sent: Friday, July 31, 2009 2:43 PM
>>> Subject: Brakes, reprise
>>>
>>>
>>>> Welp, I had hopes that the issue with my brakes on my Westy Syncro
>>>> was
>>>> the master cylinder. But no such luck. Problem still exists. A
>>>> review,
>>>> when braking, if I pump the brakes, I'll get braking, but usually
>>>> all
>>>> the way down at the floor. Occasionally I will hear a airy buzzing
>>>> sound from the center of the dash and on those occasions, I will
>>>> get
>>>> braking at the top of the pedal.
>>>>
>>>> Since that's come from the center of the dash area, I'll have to
>>>> follow the sound.
>>>