post #1 of Old 03-27-2008, 08:04 PM Thread Starter
gidaeon
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Join Date: Mar 2008
Location: Iowa
Posts: 2
4 port combination brake valve question

I'm new to jeeps and was noticing the combination brake valve on a '85 beside the MC had 4 outgoing ports (I'm used to only 3) Why are there two lines going to the rear instead of one?

Does this not have proportioning built inside? Could that 4th port (I assume the larger 5/16 or bigger one just be plugged off?

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post #2 of Old 03-28-2008, 01:05 AM
Pete M
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1988 MJ Comanche 
 
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The bottom one that goes to the rear is the one that should be plugged.
Check out the diagrams in this post:
http://comancheclub.com/forums/viewtopic.php?t=4968
Jeep on!
--Pete

-88 MJ; 4.0L, ex-2wd, TJ ax15/231, 78 Ford D44 w/spool, 9" w/posi, 33" trXus MTs, custom roll-bar/bumpers/etc.
Also an 86 MJ Metric ton and 2 '90 MJs
Projects/wheelin' pics: picturetrail.com/petermontie
My email: petermontie@hotmail.com
ComancheClub.com/forums
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post #3 of Old 03-28-2008, 09:11 AM Thread Starter
gidaeon
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Thanks! That's just the picture and thread I've been looking for
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