Use a Dremel tool with a small ball-shaped carbide cutter to cut almost all the way through the bushing. Just don't damage the cover in the process. Definitely line-ream the new bushing to assure it's in a straight line with the other one!
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!