Huh? This is an internal snap ring, that means it would have to get smaller and there's nothing to grab onto...snap ring pliers
Huh? This is an internal snap ring, that means it would have to get smaller and there's nothing to grab onto...
Hmm, perhaps an external snap ring that was installed by mistake.
On a much smaller scale - there are similar piston pin lock rings of that type. Typically 2 per side. Wonderfully easy to install, a t-total ***** to remove.

http://www.smalley.com/retaining-rings/removal
Here are the options the manufacture of the rings uses.
The custom tool from the manufacturer also looks like it is only good for the snap ring pictured in there link. It doesn't look like it would even work on the one the OP posted. Different ring.
I make a tool for these snap rings that I call a hook screwdriver.
Its an old flat bladed screwdriver filed into a curved hook that allows the snap ring to be prized out of the groove with the hooks point and then pulled linearity out of the component.
A flat screwdriver will prize the snap ring out of the groove but slips off when pulling the snap ring linearity out of the component.
regards moorebrm
