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1996 2500 no flow to rear brakes?

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Old Sep 23, 2018 | 09:59 AM
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WTH?
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Default 1996 2500 no flow to rear brakes?

1996 2500 Club cab, Cummins, 4x4, 5spd, RWAL, 8800 GVW, Dana 60/80, last 8 of VIN = TJ135894
Bought the truck with Brake and ABS lights on while running, Noticed pedal would slowly go to floor while running, Installed brand new Master cyl, Installed GM 1 ton rear cyls and found no flow to rear while bleeding, disassembled combo/prop valve and found small "cap" broken in 3 pieces, Combo/prop valve not available. Do I have a Wilwood etc. adjustable prop valve and residual valves as my only option for rear brakes? POOR engineering AND no customer service from Dodge, WTH!
 
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Old Sep 23, 2018 | 10:11 AM
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Originally Posted by WTH?
1996 2500 Club cab, Cummins, 4x4, 5spd, RWAL, 8800 GVW, Dana 60/80, last 8 of VIN = TJ135894
Bought the truck with Brake and ABS lights on while running, Noticed pedal would slowly go to floor while running, Installed brand new Master cyl, Installed GM 1 ton rear cyls and found no flow to rear while bleeding, disassembled combo/prop valve and found small "cap" broken in 3 pieces, Combo/prop valve not available. Do I have a Wilwood etc. adjustable prop valve and residual valves as my only option for rear brakes? POOR engineering AND no customer service from Dodge, WTH!
Its 22 years old. I had a Ford that was only 11 years old and I couldn't get stuff for, so its pretty typical. The adjustable ones from Jegs (their brand) is a good choice. MasterPower rebuilds some of those combo valves, you could try them. https://www.mpbrakes.com/
https://www.jegs.com/i/JEGS/555/6302...iABEgLO0vD_BwE
 
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Old Sep 23, 2018 | 11:49 AM
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If you can find a part number for it, you can likely find it if you have time to search the web. Lots of NOS Dodge parts are out there, but if you really want them, it requires patience and persistent searching. Check the Dodge truck parts manual for your year truck to see if you can find the part number for that valve and go searching.
 
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Old Sep 23, 2018 | 02:52 PM
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I understand that a brake shop can rebuild the prop valve. I priced it and it was a bit more than new aftermarket version. Stupid me went for the cheap one.
 
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