Shoulder Belt STUCK

There is a flipper inside the mechanism that flips down onto the roller to stop the belt from pulling out during an impact, over the years they get a little sticky and can flip down just by pulling the belt out to latch it. I've had a couple apart and haven't seen any lube at all, graphite should work nicely though. If you take the retracting mechanism out of the car it will be very easy to spot the problem. Sometimes you can free them up by pulling slowly/steadily until the belt is all of the way out and letting it retract a few times. I just installed the 75+ belts in my 73 over the weekend and are kind of touchy