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Re: reproduction porportioning brake valves
[Re: 1_WILD_RT]
#821795
10/04/10 07:46 PM
10/04/10 07:46 PM
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Joined: Jan 2003
Posts: 9,670
Lima, Peru
domingo
OP
EL Master
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OP
EL Master
Joined: Jan 2003
Posts: 9,670
Lima, Peru
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Quote:
There was a post recently about a member having brake issues that eventually were traced back to his new reproduction proportioning valve.. The internal clearance was to tight & the spool valve seized in the valve block.... Take your old valve apart & refurbish it... 
Ohhhhh.....thats some good info there!!! I was about to order a few of those E Body units!!!! glad I didnt do so!!
But how do you refurbish those old units? Does anybody sell a service kit or something? When looking at my Factory service manual it says that the units are not serviceable and that you have to order a complete new unit. I wonder if somebdoyt sells servuce kits nowadays.
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Re: reproduction porportioning brake valves
[Re: 1_WILD_RT]
#821797
10/04/10 08:07 PM
10/04/10 08:07 PM
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Joined: Jan 2003
Posts: 9,670
Lima, Peru
domingo
OP
EL Master
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OP
EL Master
Joined: Jan 2003
Posts: 9,670
Lima, Peru
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Quote:
All thats inside is a spool valve, a spring & a couple "O"rings... Take it apart match up the "O"rings & Soda Blast the valve block....
And do the oring need to be of any special material? They will be in contact with brake fluid which is NASTY stuff. I doubt any O ring will survive in there? 
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Re: reproduction porportioning brake valves
[Re: A0M397X]
#821803
10/10/10 12:30 PM
10/10/10 12:30 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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Yup, I am running into that problem now with the one in my 69 charger. The original one I got did not let the fluid back into the master cyl and caused the rear brakes to lock up. They sent me another one and that lasted a couple years before it is doing the same thing.
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the link to the tutorial is excellent. 