You go by whether you have the master with or without the servo.
----- Original Message -----
> How do you tell which one you have?
>
> On 8/28/2011 8:44 AM, Paul Hunt wrote:
>> There's two types of brake balance switch. I think the one on the
>> non-servo master is left screwed in but you have to bleed the first
>> circuit again very carefully until the light just goes out. With the
>> servo master you unscrew the switch, bleed, then screw back. The
>> difference is the first is a non-latching shuttle that is moved away
>> from each circuit as it's being bled, the latter is a spring loaded
>> shuttle that recentralises itself as long as the switch is unscrewed.
>>
>> ----- Original Message -----
>>> ... Now Haynes says when bleeding with PDWA
>>> start in the front closest to the master cylinder then work away
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