Whirlpool has manuals with diagrams, for all washer models, available online at Whirlpool.com. ApplianceRepair.net has diagrams, troubleshooting tips and repair guides. The manuals on the Whirlpool website are in PDF format, so Acrobat Reader is required to view them.
RepairClinic.com has detailed diagnostics with probable causes and step-by-step repair guides for common problems, including a washer not starting, not spinning or agitating, stopping mid-cycle, and overflowing or not draining. Other issues covered are noises and vibration, slow filling, water leaking and a faulty door or lid that does not lock. Should a technician be required, Whirlpool.com has a search tool to assist in locating a factory-certified service provider.