Knucklehead97 Posted April 20, 2017 Share Posted April 20, 2017 Howdy fella's. I've been messing with my brakes for the past 3 months since a caliper locked up. The caliper locking up turned into new calipers and soft lines up front, which then turned into installing a WJ MC/BB set up from a junkyard, which turned into me buying a new MC/BB, which turned into replacing the shoes and cylinders in the rear drums. So through all of this I have pumped probably 2 gallons of new brake fluid through the system with my Mityvac pump. The pedal still seems soft, to me. I can't tell if it's all in my head and I'm just not used to the power of the double diaphragm booster or what. I drove the Jeep up the road today and the truck stops great. I can lock the tires up no problem in gravel (no wet roads today). The pedal just seems really easy to push and it kinda had me worried. How does everyone elses brake pedals feel after the swap? Link to comment Share on other sites More sharing options...
DirtyComanche Posted April 20, 2017 Share Posted April 20, 2017 It's going to feel soft. That's the booster working. Link to comment Share on other sites More sharing options...
big66440 Posted April 20, 2017 Share Posted April 20, 2017 Is this while you're driving the truck or just stepping on the pedal with the engine off in your driveway? if you have a pedal and it's safe to stop I would suggest driving the truck around the block. I had the same issue ( or thought I did) when I bypassed my load sensing valve and it turned out OK, my expectations of how the pedal would feel were different than what it actually turned out to be. Link to comment Share on other sites More sharing options...
Knucklehead97 Posted April 20, 2017 Author Share Posted April 20, 2017 The pedal is hard as a rock with the engine off. This is sitting and idling with engine running. It gets firmer when going down the road and stopping. Link to comment Share on other sites More sharing options...
omega_rugal Posted April 21, 2017 Share Posted April 21, 2017 i think that is normal... Link to comment Share on other sites More sharing options...
big66440 Posted April 21, 2017 Share Posted April 21, 2017 If you had air in the system it would feel spongy all the time, do you still have the rear height sensing valve? Link to comment Share on other sites More sharing options...
Knucklehead97 Posted April 21, 2017 Author Share Posted April 21, 2017 If you had air in the system it would feel spongy all the time, do you still have the rear height sensing valve? I do. I bled the cylinders per the FSM specs Link to comment Share on other sites More sharing options...
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