Tested both sides of water inlet valve (one dead). Replaced water inlet valve. Since machine is over 25 years old, replaced water intake hoses (had already replaced hose bibs with quarter-turn ball-valves--old ones leaking). Because we have hard water and the old screens on the intake hoses were almost full of gravel, ordered and replaced the screens (which also fit on the water inlet valve, if that is the only problem with it). Delighted to find not only 2 screens, but 4; saving 2 for future replacement. TOTALLY balanced washer on reinstallation and now no vibration on spinning. YAY!!! SO HAPPY! (Can you tell this was written by the woman of the house?) Entire project took two stages (and more time) because hubby rigged hose to fill into tub directly so we could wash essentials while waiting for replacement water inlet valve + I had to clean everything. APP phone support was invaluable for me as I did the research and ordering while hubby worked. Prices on parts ordered from APP were quite reasonable. THANK YOU VERY MUCH! You are my go-to guys for any future repairs!