Blade angled to the right wouldn't move. Removed valve body stem stuck in valve body. Removed stem and all valves from the angle valve body cleaned nothing broken. Reinstalled everything angled blade about 20 times did the samething. Does cat have any known problems with angle cylinders or circuit. Only function affected. Had 2 dozers do the same thing.
had same problem with lift cylinders on d6n. was a bent rod and took the spool out a second time.