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Re: [GMCnet] Disc brake project still in failure mode [message #282520 is a reply to message #282516] Sun, 19 July 2015 18:29 Go to previous messageGo to previous message
Neil Fonville is currently offline  Neil Fonville   
Messages: 68
Registered: May 2014
Karma:
Member
I sure hope that pay dirt comes soon. I doubt it¹s the line. I will
inspect it next but could be next weekend before time allows.
Thanks again.
Neil


On 7/19/15, 6:11 PM, "Gmclist on behalf of A."
wrote:

> Neil Fonville wrote on Sun, 19 July 2015 17:58
>> I have confirmed I have the rear port on the P30 connected to the rear
>> brakes. Tested pressure again. Got 800 rising to 900 when holding on
>> the
>> rear MC port. 500 steady at the rear output of the combination valve.
>> Did not have parts to test at the input of the valve.
>>
>> Neil
> You are within a couple shovels of paydirt. You got a 300 - 400 PSI drop
> between the master cylinder and the output of the combination valve. I
> don't
> know or care how that can even be possible. But you need to figure out
> which component has the evil in it - the line or the valve. Disconnect
> the line
> between the master cylinder and the combination valve and verify there
> isn't anything in it that would restrict flow. Then do the same between
> the
> input and output of the combination valve. Might need to replace the
> combination valve. Reassemble, bleed the rears one last time, and drive
> it.
> --
> '73 23' Sequoia For Sale
> '73 23' CanyonLands For Sale
> Upper Alabama
> On "marriage equality": Once you define the direction that society is
> headed as "forward", you can call it progress.
>
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