Bissell 1699 ProHeat Clear View Upright Steam Vacuum "used water pump bypass tube" Questions

...used my finger to check the tank bottom water release valve and water comes out of the tank fine. My Bissell is quite fussy. Sometimes I have to wiggle and push down the tank before the water will ...

...pump after I put it all together. This was annoying, but not very hard: take the cover off the water reservoir, put the part with the bladder back onto the machine, turn it on and press the trigger ...