I've got a pusher fan laying around that I didn't reinstall after replacing my condenser. I'll see if I can get the fan and bracket reinstalled and see if it has any effect during the heat wave we're having in Oregon. I'm not overheating, but after finally wiring up my Koso temperature gauge...
Check its resistance while running using a rolled up newspaper or magazine. Be cognizant of the direction it's spinning and don't lose any fingers in the belts.