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Topic Review (Newest First)
09-10-2012 11:50 PM
SeVeReDiStOrTiOn Pump the brakes with the engine off...if it doesn't firm up and hold position there's probably an internal leak in the master. Did he just buy the jeep? If he did there could've been some brake work recently and might just need a good bleeding.
09-10-2012 11:06 PM
jameslee97206 Yes, this is a bad master cylinder. Pretty easy fix, remove old, bench bleed the new one, put it on and bleed the brakes.
09-10-2012 09:04 PM
jherrington My truck did this, and it was the master cylinder that was out. it could be air in the system and needs to be vented, but unless you have done a brake job any time soon, its probably the master cylinder. wish the best!
09-10-2012 05:35 PM
Master Cylinder?

My son's Jeep has no brake pedal pressure. The brakes work, but all the way at the floor. The fluid level is good and there are no leaks @ the wheel cylinders. Is this a master cylinder failure?

Thanks for your input.

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