[T2] Vacuum assist

[T2] Vacuum assist

Bob Pratt ka1dza at verizon.net
Wed Sep 2 19:13:03 MST 2015


I checked the check valve and it's OK. I guess ill put "Myles" back up on blocks and try to push more air out of the system.

TNX.

Bob Pratt

> On Aug 30, 2015, at 9:07 AM, Paul <saulsbury at cox.net> wrote:
> 
> I believe if the check valve is bad or installs backwards that would result in a loss of vacuum or no vacuum assist.  Sounds like you still have air in the system and is more noticeable when vacuum assist is applied.   Brakes are tricky and air likes to hide unfortunately. 
> 
> Paul 
> 
> Sent from my iPhone
> 
>> On Aug 30, 2015, at 5:28 AM, ka1dza <ka1dza at verizon.net> wrote:
>> 
>> Hi Jim,
>> 
>> Where is it located?
>> 
>> Bob Pratt
>> 
>>> On Aug 30, 2015, at 12:47 AM, Old Volks Home <oldvolkshome at gmail.com> wrote:
>>> 
>>> Hi Bob -
>>> 
>>> Sounds like the one-way check valve in the engine compartment has failed or installed backwards.
>>> 
>>> http://www.airheadparts.com/vintage-vw-parts/power-brake-servo-2/power-brake-servo-check-valve-191611933
>>> 
>>> Jim Thompson
>>> 84 GL 1.9 "Gloria"
>>> 84 Westfalia 2.1 "Ole Putt"
>>> Full Timing From March 1999 To January 2012
>>> oldvolkshome at gmail.com
>>> http://www.oldvolkshome.com
>>> Find me on Facebook:
>>> http://www.facebook.com/people/Jim-Thompson/100000710343835
>>> ***********************************
>>> 
>>>> On Sat, Aug 29, 2015 at 3:56 PM, ka1dza <ka1dza at verizon.net> wrote:
>>>> Hi all,
>>>> I hope everyone is enjoying a great late Summer weekend.
>>>> I finally got all of the rubber brake hose, the master cylinder, and the old break fluid replaced. My son in law helped me bleed brakes so the pedal was up 5-6 inches with the engine not running. As soon as I start the engine, the pedal goes to the floor. Is the vacuum assist causing this? How do I fix it?
>>>> 
>>>> TIA!
>>>> 
>>>> Bob Pratt
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