Rear Drum Brakes Do NOT Work!
03-01-2015, 07:16 AM
#17
CF Veteran
sounds like your booster is fine. it is supposed to go stiff with no vacuum. unless you're loosing fluid and have no visible leaks, it is possible it is leaking into the master...
but, since it goes to the floor, i would put my money on the master. either it's no good, or since i read you replaced that, maybe it's not set up properly to your booster.
you may have to adjust the rod that activates the master. if it's too short, your pedal will go down too far.
but before you mess with the rod, be sure to replace that other wheel cylinder. it's cheaper and easier.
messing with that brake rod can be tedious, you may have to pull the master a bunch of times till you get the proper adjustment.
but, since it goes to the floor, i would put my money on the master. either it's no good, or since i read you replaced that, maybe it's not set up properly to your booster.
you may have to adjust the rod that activates the master. if it's too short, your pedal will go down too far.
but before you mess with the rod, be sure to replace that other wheel cylinder. it's cheaper and easier.
messing with that brake rod can be tedious, you may have to pull the master a bunch of times till you get the proper adjustment.
03-01-2015, 06:47 PM
#18
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Year: 1993
Model: Cherokee
Engine: 4.0L
Okay new wheel cylinder is in on the side I didn't replace. Looks like it was leaking and it was. But now pedal is still a little to soft. The brake light is still on. The E brake I cant press the button in on it anymore so I cant tell if it goes down all the way or not.
03-01-2015, 09:16 PM
#19
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Year: 1993
Model: Cherokee
Engine: 4.0L
Okay so now I got a vacuum pump gun, put it on the brakes both fronts ones are solid and hold pressure. Now the rear I have done each side about 3 times they seem to not hold pressure but this is because I can hear the air escaping from when I'm putting the cover over the nipple its a faint and it does hold pressure but not as long as the fronts do.
I also have hand adjusted the rear drums cranked them up a good bit till where there snug but not to snug. NOW pedal doesn't go all the way to the floor but still it doesn't quite stop the rear tires all the way. Like I have the jeep on jack stands I throw it in gear and I can barley keep the rear from spinning and that's with the pedal pushed all the way down. I'm stumped from this point on from what the problem is.
Hell do I have to bleed them again?! Swear I have done it about 5 times with pedal and person and 3 times each side with the vac pump.....
I also have hand adjusted the rear drums cranked them up a good bit till where there snug but not to snug. NOW pedal doesn't go all the way to the floor but still it doesn't quite stop the rear tires all the way. Like I have the jeep on jack stands I throw it in gear and I can barley keep the rear from spinning and that's with the pedal pushed all the way down. I'm stumped from this point on from what the problem is.
Hell do I have to bleed them again?! Swear I have done it about 5 times with pedal and person and 3 times each side with the vac pump.....
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