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Old 06-01-2013, 11:41 PM   #1
Jimbo0076
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Join Date: Jun 2008
Location: Northeast Alabama
Posts: 62
"Load Sensing" Brake Valve on '85 K2500

Got a good question for yall fine fellers here. I own a '85 GMC K2500 that I've had for a good while. It has a valve in-line of the rear brake lines that has a rod hooked to the rear semi float 14 bolt. This valve(if its like the ones on late 80s Toyota 4WD trucks) should allow more or less brake fluid pressure to the rear drums depending on how much of a load the truck has in the bed(if Im thinking right) Problem is this little valve has started leaking around one of the lines so I need to replace or get rid of all together. It is very simple and has a brake line in and out and is mounted on a frame bracket right close to the rear axle. I found a Wilwood brake portioning valve I thought about replacing it with but didnt know if that would be a good idea or what would be my best bet. Even thought about tossing it and put a union on the brake lines but didnt know if that would cause me to have rear brake lock up problems.
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