Discs stuck to rotor (1 Viewer)

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I am in the middle of painting my wheels, and as i removed the front tires i noticed that my pads are stuck to the rotor. Cylinders do look old. But don't think that is causing the pads to stick, i apparently have been driving like this for a while. When the wheel is in the air i am able to spin it freely, so the pad is stuck with force just rubbing, anyway to adjust this thanks.
 
Disc brake pads should always touch the rotor - this is what keeps the discs clean and functional even after water crossings. If you can spin the wheel freely it sounds like everything is just as it should be.
 
ok good, here's the other question, when i try to lock my brakes, i think only my rear right wheel locks, what could cause this, do i need to bleed the brakes, adjust the drums? The front disks do not lock up at all. Could that be caused by air in the system or the old cylinders? I know these are vague questions, but i appreaciate answers because this is a first for me.
 
Could it be your right rear has something wrong with it? I would pull rear drums and check for any oil seal leaks prior to adjusting them.. Sometimes oil on the shoes could swell them leading to possible lock-ups.

If rears check out ok, and the front pads have plenty left on them, do a 4 wheel bleed and recheck.

I'm not sure if I'd want my fronts touchy enough to notice any lock-up under normal driving conditions. Any chance on being a little more thorough with "how" they are acting, fronts and rear?
 
I got the same set up and the rears will due diff stuff depending on which is wet, which one has a cyl. leakin, or is outa adjust. I find the drums to lock at diff times depending on tire pressure. The drums seem to be pickier about equal pressure.
 
I actually have that exact same problem with my 40, wheel cylinders are all new and adjusted , drums are fine but that dang rear right wheel locks up when I get on the brakes hard. Still scratching my head on this one.
 
My experience with both a '79 BJ40 and a '76 FJ40 is that if you have drums you will have one rear brake work more effectively than the other. I found it was not always the same side, and it doesn't matter if you have the two-slave-cylinder type without the rear brake e-brake or the one-slave-cylinder type with the built-in e-brake. It also doesn't seem to matter if the shoes are new and correctly adjusted and the cylinders clean and working properly or not.
 
The rear brakes lock up easier because of weight transfer when stopping from moving forward.

Pretty normal situation in a 40 series.
 

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