Maytag SG1000 leaking!

I have an older Maytag SG1000 stackable washer/dryer. I've replaced a few parts on it over the years and it has been generally very reliable. It has recently started leaking and I'm stumped as to why. When I start a new large load wash cycle the tub fills up as it should. there are no leaks from the water inlet to the tub. When the wash cycle starts however, it seems that water from the tub is getting forced back up the inlet hose and starts pouring out of the area around the water injector. Now if I run a small load the water does not get pushed back though the inlet hose, rather it backs up through the bleach inlet hose.

Im at a loss as to what could be causing this. Has anyone had this issue before?

Thanks
-Mike

via Maytag SG1000 leaking!
by melchyway