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Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Suspension - Brakes - Steering> No brakes and peddle is solid
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Topic Review (Newest First)
04-20-2013 07:47 AM
S10xGN Most GM disc brake master cylinders have the front system closest to the firewall. Maybe you blocked the wrong port? Can't tell from your pic, so pop the cap and look at the reservoirs. The larger one is the front brake supply. As stated, remove the prop valve and plumb direct to the fronts...

04-19-2013 10:20 PM
Motosledneck 12 Ill try that. Thanks
04-18-2013 10:28 PM
aosborn I would bypass the combination valve completely and plumb a line from one port of the master cylinder to one front caliper, the other master cylinder port to the opposite caliper. Or, install a single reservior master cylinder and plumb the lines from the caliper into a "T" and to the port of the master cylinder.
04-18-2013 09:44 PM
Motosledneck 12 Do you think i could remove the plug and run a line y'd off to the other line?
04-18-2013 09:42 PM
sedanbob With the back blocked off, there is nowhere for the fluid to go - the hard pedal you have is the pressure between the piston in the back half of the master and the plug.
04-18-2013 09:40 PM
Motosledneck 12 Because there is no lines, wheel cylinders, shoes. Nothing but the drums in the rear. It's just a mud truck.
04-18-2013 09:30 PM
NEW INTERIORS Why would you block off the rear brakes..
04-18-2013 09:20 PM
Motosledneck 12 Anyone? ?
04-18-2013 02:17 PM
Motosledneck 12 Here's another picture of it. The plug is the one closest to the firewall
04-18-2013 02:12 PM
Motosledneck 12
No brakes and peddle is solid

I have a mud truck that has no rear brakes, just front. I have the rear blocked off with a plug and the front is bleed and hooked up. It is a 94 s10 blazer master cylinder with 80's 3/4 ton front calipers. Calipers and lines are new The brake peddle is solid as a rock and will bleed but there's no brakes. Is there a certain way to block off the rear with out this happening? I think it must be doing this because of the rear being plugged off.

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