Done that a few times myself but got tired of pulling cluster to work on the odometer so now................ I just remove the cluster screws and tap it against the dash a couple a times when I notice a digit not moving - has worked so far!I had previously cleaned and lubed an odometer when it got jammed up. The plastic shaft that interfaces with the metal shaft, with a worm gear, was a bit stripped. I had installed a working-at-the-time odometer. This week it odometer wouldn't advance the 4th digit, jammed up because The fourth number wheel was gunked up on the little shaft they spin on.
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So I had to do some surgery for what has to be the fourth time on 3 different odometers! Disassembled, cleaned, lubed and reassembled. Works now. It's kinda fun but I don't want to do this again for a while.
