Once you can blow through the hose by mouth (gross, but effective) or see water running freely through it with a garden hose, the clog is gone.
Using your pliers, loosen the metal or plastic clamp and gently pull the hose off the disposal/drain pipe. Expect a gush of gross water—that’s what the bucket is for. how to unclog a dishwasher drain hose
Watch the bottom of the tub. The water should disappear within 30 seconds. If it does—congratulations! You just saved $150. Once you can blow through the hose by
Do not simply run a cycle with baking soda and vinegar to "flush" a full standing water issue. If the hose is fully blocked, those ingredients have nowhere to go and will just bubble up inside your machine. Watch the bottom of the tub
This is where you become a plumber. There are two common clog locations:
The dishwasher drain hose is a critical component of your dishwasher's plumbing system. It's responsible for carrying wastewater from the dishwasher to the garbage disposal or drainpipe under your sink. Over time, food particles, grease, and other debris can accumulate in the drain hose, causing clogs and backups.
If you have followed all these steps and the dishwasher still won't drain, the problem is likely not the hose. It could be a failed or a faulty door latch switch . At that point, it is time to call a certified repair technician.