So my right rear caliper locked up while driving yesterday. Started smoking and everything it was all kinds of fun haha. Today I changed both rear calipers and replaced the rotors and pads and I after bleeding the breaks I still have a little sponge in the pedal. Any ideas?

Also I know the rear calipers locking up is unfortunately common on the liberty but I was wondering if the fronts have any problems?

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OME 2790/2948 Rancho all around
JBA strut plates with clevis lift
2 extra rear upper isolators and one extra lower
Front sits 23
Rear sits 22 3/4
265 75 16 Maxxis Big Horn MT
GDE Hot Tune
Bumper trimming up front

Probably still have air in the lines. Bleed them again.

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2004 KJ Limited
Eaton "e" locker front
Detroit Locker rear
Frankenlift II
245 75 16 Goodyear MTR's
Moabs
Al's UCA's
Boulderbars
Backbone with Warn XD9000i, Viking synthetic line
Rubicon Big Brother

I blead the neck out of them lol. I think I may go by a shop and see if they have a vacuum bleeder

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OME 2790/2948 Rancho all around
JBA strut plates with clevis lift
2 extra rear upper isolators and one extra lower
Front sits 23
Rear sits 22 3/4
265 75 16 Maxxis Big Horn MT
GDE Hot Tune
Bumper trimming up front

Leak?

No leaks I double checked the hoses

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OME 2790/2948 Rancho all around
JBA strut plates with clevis lift
2 extra rear upper isolators and one extra lower
Front sits 23
Rear sits 22 3/4
265 75 16 Maxxis Big Horn MT
GDE Hot Tune
Bumper trimming up front

Ok then, air.

I blead all the brakes again but had no luck. Still the same. I'm going to run over to a shop and have them pressure bleed the system.

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OME 2790/2948 Rancho all around
JBA strut plates with clevis lift
2 extra rear upper isolators and one extra lower
Front sits 23
Rear sits 22 3/4
265 75 16 Maxxis Big Horn MT
GDE Hot Tune
Bumper trimming up front

Did you install the calipers right? Common for DIY'ers to put the wrong calipers on the wrong side.The bleeder screw must be on top,if there on the bottom you need to swap the calipers side to side then re-bleed.Can't bleed air out of them if the bleeder screw is on the bottom.

Lol yes I did install them correctly.

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OME 2790/2948 Rancho all around
JBA strut plates with clevis lift
2 extra rear upper isolators and one extra lower
Front sits 23
Rear sits 22 3/4
265 75 16 Maxxis Big Horn MT
GDE Hot Tune
Bumper trimming up front

Did you bleed the front also?

_________________
2004 KJ Limited
Eaton "e" locker front
Detroit Locker rear
Frankenlift II
245 75 16 Goodyear MTR's
Moabs
Al's UCA's
Boulderbars
Backbone with Warn XD9000i, Viking synthetic line
Rubicon Big Brother

RE: bleeding the brake lines. Did you have a helper pump several times and then hold while you then let fluid squirt out ?
I do them in order of right rear, left rear, right front and lastly left front.

BTW, why is it that Liiberty rear shoes wear so much faster?

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2005 Sport, Light Khaki, manual trans 6 speed, front spacer lift, tinted glass, tow hooks, ProComp black rock crawler rims, Toyo AT tires, K+ N filter charger, Magnaflow muffler, Bilstein shocks, Daystar sway bar bushings, skid plates, trailer hitch, fogs, 50 watt back up bulbs, Sylvania plus headlights, Thule rack and SiriusX Satellite radio.

i replaced both my front lines since each had more balloons than a rich kids party. replaced all pads as well. bled brakes per service manual just like every other vehicle but i did mine with a power bleeder(motive products). got a fall away pedal so after bleeding again i got the same result. im suspectin a couple of bleeders that gave me some problems along the way. truck did the same thing to me a few years ago so i just replaced the calipers altogether. hopefully these screws from the part store will fit

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05 2.8L,rustys 2.5" lift,GDE TCM/ECM