impeller change 41 pc 2002

[keepr wet]

i am assumming the impellers are behind center pulley on front of motor ? Port motor has somewhat of an access panel through firewall in cabinet next to aft cabin is there one for other motor behind seat back as well? And how hard are these to change? When cover is off will water keep pouring out?? Tired of paying mech for all this trying on own. diesel tamd 74 engines