Grizzly Engine & Transmission 4wheel drive axle popping when in 4×4 May 18, 2015 09 Grizzly 700 front drive shaft started popping like it’s slipping when I was in a deep mud hole trying to get out. Not sure if it’s the shaft or differential itself anyone have any insight? Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related